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vpnc Client for Cisco 3000 VPN Concentrator
super Allow others to run commands as root
sudo Allow others to run commands as root
stunnel SSL encryption wrapper for standard network daemons
snortsms A remote management and monitoring interface for Snort based IDS
silktools Tools for large-scale network capture analysis
seahorse GNOME application for managing encryption keys (PGP, SSH)
samhain The Samhain Intrusion Detection System
py-paramiko A python library for making SSH2 connections
py-m2crypto Crypto and SSL toolkit for Python

All linux security software (ordered by name)

sqlninja Sql Server exploit toolkit
clamassassin A simple virus filter wrapper for ClamAV
pear-Auth_OpenID PHP OpenID library v2 for PEAR
ADMsmb Security scanner for Samba
ADMsnmp SNMP audit scanner
IMHear An MSN Messenger event/message sniffer
aafid2 A distributed monitoring and intrusion detection system
acid Analysis Console for Intrusion Databases (ACID) with Snort and MySQL
aescrypt A command-line AES encryption/decryption suite
aide A replacement and extension for Tripwire
altivore A publically disclosed (neither GPL nor open-source) ala Carnivore src
amap Application mapper
amavis-perl Mail Virus Scanner (uses external antivirus)
amavisd The daemonized version of amavis-perl
amavisd-new Performance-enhanced daemonized version of amavis-perl
antivir-milter AntiVir Milter mail virusscanner for Sendmail
apg An automated password generator
arirang Powerful webserver security scanner
audit Tools for remote and centralized audit data collection
authforce HTTP authentication brute forcer
authpf Authentification shell for pf gateways
autossh Automatically restart SSH sessions and tunnels
avcheck A simple antivirus solution for a mail system
bcwipe BCWipe securely erases data from magnetic and solid-state memory
beecrypt BeeCrypt is an open source cryptography library
bfbtester A security tool for testing binaries for overflows
bjorb Secure TCP relay software with SSL
borzoi An Elliptic Curve Cryptography Library
botan A portable, easy to use, and efficient C++ crypto library
bro System for detecting Network Intruders in real-time
bubblegum Watch a file for changes
bugs Great cryptography library and sample programs
ca-roots A list of SSL CA root certificates
calife A lightweight alternative to sudo
ccrypt A command-line utility for encrypting and decrypting files and streams
cfs A cryptographic file system implemented as a user-space NFS server
cfv Utility to both test and create .sfv, .csv and md5sum files
checkpassword A simple password-checking interface
checkpassword-pam Implementation of checkpassword authentication program
chkrootkit A tool to locally check for signs of a rootkit
chrootuid A simple wrapper that combines chroot(8) and su(1) into one program
cksfv Create or manipulate Simple File Verification (SFV) checksum files
clamav Command line virus scanner written entirely in C
p5-Cisco-Hash De- and encrypts Cisco type 7 hashes
clamav-devel Command line virus scanner written entirely in C
easypg EasyPG is yet another GnuPG interface for Emacs
fcheck Intrusion detection and Policy enforcement / auditing software
clamsmtp An ClamAV anti-virus SMTP Filter
cmd5checkpw Checkpassword compatible authentication program that uses CRAM-MD5
cops A system secureness checker
cp2fwb Checkpoint FW1 to Firewall Builder ruleset converter
crack The "Sensible" Unix Password Cracker
cracklib Password-checking library
crank CRyptANalysis toolKit
cryptlib A powerful security programming toolkit
cryptopp A free C++ class library of Cryptographic Primitives
cryptplug A collection of plug-ins to cryptographic engines
cvm Credential Validation Modules
cyrus-sasl RFC 2222 SASL (Simple Authentication and Security Layer)
cyrus-sasl2 RFC 2222 SASL (Simple Authentication and Security Layer)
dissembler A tool that polymorphs bytecode to a printable ASCII string
distcache Distributed OpenSSL session caching tools
cyrus-sasl2-saslauthd SASL authentication server for cyrus-sasl2
dazuko A common interface for 3rd party file access control
dcetest Utility to dump MSRPC endpoint information from Windows systems
ddos_scan Scans for a limited set of distributed denial of service agents
destroy A program to securely destroy files on the hard disk
didentd Modular RFC1423 (identd) server sending encrypted audit tokens
digest
dirmngr A client for managing and downloading certificate revocation lists
doorman A Port Knocking implementation, both daemon and client
donkey An alternative for S/KEY's key command
doscan Tool to quickly scan your network for machines listening on a TCP port
dropbear An SSH 2 server, designed to be usable in small memory environments
drweb DrWeb antivirus suite
drweb-postfix Postfix message filter for virus processing through DrWeb daemon
drweb-qmail Qmail message filter for virus processing through DrWeb daemon
drweb-sendmail Sendmail message filter for virus processing through DrWeb daemon
dsniff Various sniffing utilities for penetration testing
f-prot F-Prot Antivirus for BSD Workstations
f-prot-sig F-Prot Antivirus Signatures
fakebo A fake BackOrifice client emulator
fakeident Tool that replies with a standard answer to incoming identd requests
fakeroot Simulate the root user behaviour
fcrackzip Portable, fast and featureful ZIP password cracker
find-zlib Scans files for statically linked zlib (libz) code
find_ddos Scans a host filesystem for distributed denial of service programs
finger_mysql Threaded MySQL scanner
firewalk A remote firewall auditing tool
flawfinder Examines source code looking for security weaknesses
fpc-md5 Free Pascal unit for MD5 hash routines
fpm Figaro's Password Manager, an app to securely store your passwords
fragroute A tool for intercepting, modifying and rewriting egress traffic
fragrouter Tool for testing network IDS implementations
freebsd-update Fetches and installs binary updates to FreeBSD
fressh A free rewritten implementation of the SSH communication protocol
fsh Fast remote command execution
ftimes A system baselining and evidence collection tool
ftpmap Identify remote FTP server software by fingerprinting
fuzz Tool for testing software by bombarding the program with random data
fwanalog A firewall log summarizer that uses Analog
fwbuilder Firewall Builder GUI and policy compilers
fwlogwatch A packet filter and firewall log analyzer
fwtk A toolkit used for building firewalls based on proxy services
gag A stacheldraht (DOS attack) agent detector
gaim-encryption Provides transparent RSA encryption as a Gaim plugin
gcipher A simple encryption tool
gnome-password-generator GNOME 2 password generator
gnome-ssh-askpass A graphical ssh askpass utility for Gnome2
gnomekeyring A program that keeps passwords and other secrets
gnupg The GNU Privacy Guard
gnupg-devel Prerelease package of GnuPG extensions for GnuPG 2.0
gnupg-idea IDEA extension module for gnupg (and RSA for demonstration)
gnutls GNU Transport Layer Security library
gnutls-devel GNU Transport Layer Security library
gpa A graphical frontend for the GNU Privacy Guard
gpasman A password manager that stores password information encrypted
gpgme A library to make access to GnuPG easier
gringotts GTK application to securely store sensitive data
gsasl GNU SASL Library
gsfv Create or verify Simple File Verification (SFV) checksum files
gss GNU Generic Security Service Library
gtk-knocker A simple and easy to use TCP only port scanner (GTK+ version)
gtkportscan A simple port scanner that prints out open ports
gwee Tool to exploit command execution vulnerabilities in web scripts
hackbot A host exploration tool and bannergrabber
hafiye Multi Platform Customizable TCP/IP Packet Sniffer
hashish GUI file and string hashing utility
heimdal A popular BSD-licensed implementation of Kerberos 5
hlfl High Level Firewall Language
hmap Web server fingerprinting utility
hostsentry A Login Anomaly Detector
hping Network auditing tool
hunch Scan httpd log files for vulnerability probes, mail admins
hydra Brute force attack utility working on multiple network services
ident2 An RFC1413 identification server which also supports random replies
identify Client side ident protocol daemon wrapper
ifd-devkit IFD Handler Developer's Kit for MUSCLE PC/SC Lite
ifd-gempc410 PC/SC Lite driver for the GemPC 410 serial smart card reader
ifd-gpr400 PC/SC Lite driver for Gemplus GPR400 PCMCIA Smart Card Readers
ifd-slb_rf60 PC/SC Lite driver for the Reflex 62 serial smart card reader
ike-scan VPN scanner and identifier
integrit A file integrity verification program
ipfmeta ipfmeta - use objects in IPfilter files
ipfw2dshield A DShield client for ipfw logs
isakmpd OpenBSD IKE daemon
its4 Tool to scan C/C++ source for potential vulnerabilities
john Featureful Unix password cracker
keychain A user-friendly front-end to ssh-agent(1)
keynote A Trust-Management System
keyprint Print S/Key keys on a piece of paper, twice the size of a credit card
kgpg A simple KDE frontend for GnuPG
knocker A simple and easy to use TCP only port scanner (Console version)
krb4 KTH Kerberos 4
krb5 An authentication system developed at MIT, successor to Kerberos IV
kripp Lightweight network password sniffer
kssh KDE frontend to ssh
l0pht-watch A program to report on what goes on in /tmp
l0phtcrack Cracks SAMBA or Windows NT passwords
l5 File Integrity Assessment Tool
labrea Security tarpit defense tool
lcrzo Lcrzo is a network library (used by Lcrzoex, network testing toolbox)
lcrzoex Lcrzoex contains over 300 functionnalities using network library lcrzo
lep Lesser Encryption Project
libassuan IPC library used by GnuPG and gpgme
libbf The Blowfish block cipher Library
libecc C++ Elliptic Curve Library
libfwbuilder Firewall Builder API
libgcrypt General purpose crypto library based on code used in GnuPG
libgnomesu Library and frontend for running commands as root
libgpg-error Common error values for all GnuPG components
libgringotts Library for encapsulating/safekeeping data in encrypted/compressed form
libidea IDEA block cipher library
libident A small library to interface the ident protocol server (rfc1413)
libksba KSBA is an X.509 Library
libmcrypt Multi-cipher cryptographic library (used in PHP)
libntlm A library that implement Microsoft's NTLM authentication
libparanoia Safe (in the mean of stack smashing) reincarnation of strcpy et al
libprelude Framework library for Prelude NIDS
libsectok ISO 7816 Smartcard API Library
libtasn1 ASN.1 structure parser library
libtomcrypt Comprehensive, modular and portable cryptographic toolkit
libwhisker Perl module to create HTTP test scripts
liedentd An ident server which refuses to divulge security information
linux-pam-docs Linux-PAM offline documentation
lockdown Hardening script for FreeBSD
logcheck Auditing tool for system logs on Unix boxes
lsh A secure (encrypted) remote shell compatible with ssh 2.0
maia A web-based management system based on amavisd-new and SpamAssassin
nsm-console A framework for performing analysis on packat capture files
lxnb NetBus client
mac-robber A tool for listing Modify, Access, Create timestamps from files
makepasswd Random password generator
manipulate_data Search/extract/write raw data
mcrypt Replacement for crypt(1)
md5crk Distributed project to generate MD5 collisions (i386 binary)
md5deep Program to compute various message digests recursively
mdcrack Bruteforce password MD5 hashes
mhash An easy-to-use library for strong hashes such as MD5 and SHA1
mindterm-binary "A full vt220 compatible Java SSH-1 client (not only for websites)"
mussh A tool for easily running the same commands on multiple hosts
nbaudit NetBIOS Auditing Tool / Security Kit
nessus A security scanner: looks for vulnerabilities in a given network
nessus-devel A security scanner: looks for vulnerabilities in a given network
nessus-libnasl Nessus Attack Scripting Language
nessus-libnasl-devel Nessus Attack Scripting Language
nessus-libraries Libraries for Nessus, the security scanner
nessus-libraries-devel Libraries for Nessus, the security scanner
nessus-plugins Plugins for Nessus, the security scanner
nessus-plugins-devel Plugins for Nessus, the security scanner
nettle A low-level cryptographic library
nikto Web and CGI vulnerability scanner with SSL support
nmap
nofgpg No One Fears GPG
nss Libraries to support development of security-enabled applications
ocaml-cryptokit A variety of cryptographic primitives for Objective Caml
oidentd Ident server that supports user-defined ident strings
oinkmaster Help you update your snort rules after each update
op Allow others to run commands as root (like sudo but different)
opencdk Open Crypto Development Kit
opensc Libraries and utilities to access smart cards Libraries and utilities to access smart cards Libraries and utilities to access smart cards
opensc-esteid ISO 7816 Smartcard API Library (OpenSSH Compatible)
openssh OpenBSD's secure shell client and server (remote login program)
openssh-askpass Graphical password applet for entering SSH passphrase
openssh-portable The portable version of OpenBSD's OpenSSH The portable version of OpenBSD's OpenSSH The portable version of OpenBSD's OpenSSH
openssl SSL and crypto library
openvpn Secure IP/Ethernet tunnel daemon
osiris The Shmoo client/server host integrity checker
outguess Steganographic tool
p5-Authen-Captcha Perl module to verify the human element in transactions
p5-Authen-Krb5 Perl extension for Kerberos 5
p5-Authen-PAM A Perl interface to the PAM library
p5-Authen-Radius A perl5 module to provide simple Radius client facilities
p5-Authen-SASL Perl5 module for SASL authentication
p5-Authen-Smb Perl extension to authenticate against an SMB server
p5-Authen-TacacsPlus A perl module that provides authentication using a tacacs+ server
p5-Authen-Ticket Perl module providing the framework for implementing a ticketing system
p5-Crypt-Anubis Crypt::CBC-compliant block cipher
p5-Crypt-Blowfish Perl5 interface to the Blowfish encryption alogorithm
p5-Crypt-Blowfish_PP Blowfish encryption algorithm implemented purely in Perl
p5-Crypt-CAST5_PP CAST5 block cipher in pure Perl
p5-Crypt-CBC Perl5 interface to Cipher Block Chaining with DES and IDEA
p5-Crypt-CBCeasy Easy things make really easy with Crypt::CBC
p5-Crypt-CipherSaber Perl module providing an OO interface to CipherSaber encryption
p5-Crypt-Cracklib Perl interface to Alec Muffet's cracklib library
p5-Crypt-Cryptix Perl5 interface to the Cryptix Crypto Library (Blowfish, DES and IDEA)
p5-Crypt-DES Perl5 interface to DES block cipher
p5-Crypt-DES_EDE3 Perl5 interface to a implementing 3-DES EDE encryption and decryption
p5-Crypt-DH Perl5 interface to a Diffie-Hellman key exchange system
p5-Crypt-DSA DSA signature and key generation
p5-Crypt-ECB Perl module implementing the ECB encryption algorithm
p5-Crypt-GeneratePassword Generate secure random pronounceable passwords
p5-Crypt-HCE_SHA Perl5 interface to one way hash chaining block cipher
p5-Crypt-IDEA Perl5 interface to IDEA block cipher
p5-Crypt-OFB Encrypt Data using OFB Mode
p5-Crypt-OTP Perl implementation of the One Time Pad (hence, OTP) encryption method
p5-Crypt-OpenPGP Pure-Perl OpenPGP-compatible PGP implementation
p5-Crypt-OpenSSL-Bignum OpenSSL's multiprecision integer arithmetic
p5-Crypt-OpenSSL-DSA Perl5 module to DSA signature verification using OpenSSL
p5-Crypt-OpenSSL-RSA Perl5 module to RSA encode and decode strings using OpenSSL
p5-Crypt-OpenSSL-Random Perl5 interface to the OpenSSL pseudo-random number generator
p5-Crypt-PGPSimple Crypt::PGPSimple provides a simple object-oriented interface to PGP
p5-Crypt-PassGen Crypt::PassGen - Generate a random password that looks like a real word
p5-Crypt-PasswdMD5 Perl module that provides interoperable MD5-based crypt() function
p5-Crypt-Primes Provable Prime Number Generator suitable for Cryptographic Applications
p5-Crypt-RC4 Perl implementation of the RC4 encryption algorithm
p5-Crypt-RC5 Perl implementation of the RC5 encryption algorithm
p5-Crypt-RC6 Perl implementation of the RC6 encryption algorithm
p5-Crypt-RIPEMD160 RIPEMD-160 message digest algorithm
p5-Crypt-RSA RSA public-key cryptosystem
p5-Crypt-RandPasswd An implementation of the Automated Password Generator standard
p5-Crypt-Random Cryptographically Secure, True Random Number Generator
p5-Crypt-Rijndael Perl module that implements the Rijndael cipher
p5-Crypt-SSLeay Perl5 interface to allow p5-libwww LWP to make https connections
p5-Crypt-Serpent Perl implementation of the Serpent encryption algorithm
p5-Crypt-SmbHash Perl module implementing lanman and nt md4 hash functions
p5-Crypt-Solitaire Solitaire encryption
p5-Crypt-TripleDES Perl module implementing the Triple-DES cipher
p5-Crypt-Twofish Perl module implementing the Twofish cipher
p5-Crypt-Twofish2 Perl implementation of the Twofish encryption algorithm
p5-Crypt-UnixCrypt Perl module implementing crypt(3) function
p5-Crypt-xDBM_File Perl module encrypt almost any kind of dbm file
p5-Digest Modules that calculate message digests
p5-Digest-BubbleBabble Perl5 interface to a fingerprint in "bubble babble" format
p5-Digest-HMAC Perl5 interface to HMAC Message-Digest Algorithms
p5-Digest-MD2 Perl5 interface to the MD2 message digest algorithm
p5-Digest-MD4 Perl5 interface to the MD4 message digest algorithm
p5-Digest-MD5 Perl5 interface to the MD5 algorithm
p5-Digest-MD5-M4p Perl interface to a variant of the MD5 algorithm
p5-Digest-Nilsimsa Perl version of Nilsimsa code
p5-Digest-SHA1 Perl interface to the SHA-1 Algorithm
p5-Digest-SHA2 Perl interface to the SHA-2 algorithms
p5-File-Scan Perl5 anti-virus file scanning package
p5-GnuPG-Interface Perl module for interfacing with GnuPG
p5-Snort-Rule Perl5 extension for dynamically building snort rules
p5-IO-Socket-SSL Perl5 interface to SSL sockets
p5-MD5 wrapper to the Digest::MD5 module
p5-Net-OpenID-JanRain OpenID JanRain and Consumer with JanRain API
p5-Module-Signature Module signature file manipulation
p5-Net-SSLeay Perl5 interface to SSL
p5-Nmap-Scanner Perform and manipulate nmap scans using perl
p5-OpenCA-CRL CRL Management module
p5-OpenCA-CRR Perl extention to handle CRR objects
p5-OpenCA-PKCS7 Perl extension for basic handling PKCS#7 Signatures
p5-OpenCA-REQ Perl extension to easily manage Cert REQUESTs
p5-PGP Perl5 module to work with PGP messages
p5-PGP-Sign Create detached PGP signatures for data
p5-SHA Perl5 interface to the SHA1 algorithm
p5-Safe-Hole Make a hole to the original main compartment in the Safe compartment
p5-Tie-EncryptedHash Hashes (and objects based on hashes) with encrypting fields
pad A command-line utility to encrypt files
pam-mysql A pam module for authenticating with MySQL
pam-pgsql A pam module for authenticating with PostgreSQL
pam_alreadyloggedin PAM module based on whether a user is already logged in
pam_krb5 A Pluggable Authentication Module for Kerberos 5
pam_ldap A pam module for authenticating with LDAP
pam_pgina Daemon for allowing a pGina plugin to authenticate against Unix PAM
pam_pop3 This module authenticates a user against a POP3 server
pam_pwdfile A pam module for authenticating with flat passwd files
pam_smb NetBIOS domain logon PAM module
pear-Auth PEAR class for creating an authentication system
pear-Auth_SASL PEAR abstraction of various SASL mechanism responses
pear-Crypt_CBC PEAR class to emulate Perl's Crypt::CBC module
pear-Text_Password PEAR random password creator
pf OpenBSD pf as a kldmodule
pgp PGP International version - Public-Key encryption for the masses
pgp6 Public-Key encryption for the masses
pgpdump PGP packet visualizer
pgpgpg Wrapper for GnuPG to simulate PGP 2.6.x
pgpin PGP International version - improved for use in IN-CA
pidentd An RFC1413 identification server
pinentry
pks PGP Public Key Server
pktsuckers Log contents of unwanted UDP packets and TCP connections
poc Program for managing passwords on smartcards
portaudit Checks installed ports against a list of security vulnerabilities
portaudit-db Creates a portaudit database from a current ports tree
portscanner A simple and easy to use TCP port scanner
portsentry Port scan detection and active defense
ppgen Secure passphrase generator
prelude-lml Prelude Network Intrusion Detection System Log Monitoring Lackey
prelude-manager Prelude Network Intrusion Detection System central logging point
prelude-nids Prelude Network Intrusion Detection System sensor
proxycheck Check for open proxy servers
proxytunnel Connects stdin and stdout to an origin server through an HTTPS proxy
pscan Security C code scanner for misuse of format strings
putty Secure shell and telnet client
pwman Console password management application based on gpg(me)
pxytest Test remote system for unsecured mail proxies
py-cryptkit A Cryptographic Toolkit for Python
py-fchksum Python module to find the checksum of files
py-gnupg Python module for GnuPG interface
py-m2crypto Crypto and SSL toolkit for Python
py-mcrypt A comprehensive Python interface to the mcrypt library
py-mhash Python mhash module
py-openssl Python interface to the OpenSSL library
py-posix1e Python module for manipulating POSIX.1e ACLs
py-pow Python OpenSSL Wrappers
py-pycrypto The Python Cryptography Toolkit
py-rijndael A pure python implementation of the Rijndael encryption algorithm
py-twofish Twofish cryptographic module for Python
py-xmlsec A set of Python bindings for XML Security Library
qca-tls SSL/TLS plugin for Qt
qident Query a remote IDENT (RFC 1413) server
qtfw A GUI frontend for ipfw utility in FreeBSD
quintuple-agent Quintuple Agent is a program that stores secrets for you
racoon KAME racoon IKE daemon
radiusniff Sniffer for RADIUS traffic
rain Rain is a packeting tool used for testing system stability
rats Source code auditing tool
rc5pipe RC5 en-/decryption via UNIX pipes
rdigest Recursive message digest wrapper utility Recursive message digest wrapper utility Recursive message digest wrapper utility
rid Configurable remote distributed denial of service tool detector
rkhunter Rootkit detection tool
rng_82802 RNG driver for the Intel 82802
ruby-acl Ruby module to provide Access Control List checks
ruby-aes A Ruby extension library which implements AES (Rijndael) encryption
ruby-blowfish A Ruby interface to the Blowfish cipher
ruby-cast_256 A Ruby extension library which implements CAST-256 encryption
ruby-gpgme A Ruby interface to GnuPG Made Easy (GPGME)
ruby-hmac A Ruby library which implements the HMAC algorithm
ruby-mcrypt A Ruby interface to the mcrypt library
ruby-pam Ruby extension to use PAM library
ruby-password A Ruby library to create, verify and manipulate passwords
ruby-tcpwrap TCP wrappers library for Ruby
saferpay A command line tool for online payment
safesh Authentication manager for OpenSSH (making secure auth easier)
saint Security Administrator's Integrated Network Tool
samba-vscan On-access virus scanning with Samba
samhain The Samhain Intrusion Detection System
scanlogd TCP port scan detection tool
scanssh Scans networks for open proxies, SSH, Web and SMTP servers
seahorse GNOME application for managing encryption keys (PGP, SSH)
secpanel GUI for managing and running ssh and related utilities
sectok ISO 7816 Smartcard Utility
sfs Self-Certifying File System: A secure global network file system
sha Simple file hash program utilizing SHA-1, SHA-256, SHA-384, SHA-512
shishi A free implementation of the Kerberos 5 network security system
sig2dot GPG/PGP Keyring Graph Generator
skip Stateless IP layer security and encryption from Sun Microsystems
slurpie A passwd file cracker (supports distributed nodes)
slush A telnet-like application which uses a secure SSL channel
smtpmap An SMTP software identifier
smtpscan A remote SMTP server version detector
smurflog A program to assist logging of smurf attacks
sniff Program to sniff logins and passwords
snort Lightweight network intrusion detection system
snort-rep A Snort reporting tool that can produce text or HTML from logs
snortreport Add-on module for snort to generate real-time web reports
snortsnarf Generate HTML report summaries from snort incident alerts
srm Secure rm, a utility which destroys file contents before unlinking
srp Secure Remote Password protocol library, TELNET, and FTP
ssh Secure shell client and server (remote login program)
ssh-gui A front-end for ssh which can open multiple xterms
ssh-multiadd Tool to add multiple ssh keys to the authentication agent
ssh2 Secure shell client and server for V.2 SSH protocol
ssh_askpass_gtk2 A tiny GTK2 ssh askpass replacement
sslproxy Proxies non-SSL request over an SSL connection
sslsniffer SSLv3/TLS and SSLv2 sniffer
sslwrap Another SSL Wrapper application, which uses SSLEay/OpenSSL
sst A simple SSL tunneling tool (uses netcat)
starttls Simple wrapper program for STARTTLS on ${EMACS_PORT_NAME}
stegdetect Automated tool for detecting steganographic content in JPEGs
steghide "Steganography tool to hide data in binary files"
strobe Fast scatter/gather TCP port scanner
stunnel SSL encryption wrapper for standard network daemons
subweb SubWeb is a (reverse) proxy to inspect HTTP flows on the fly
sudo Allow others to run commands as root
sudoscript Audited shells in Perl with sudo(8) and script(1)
super Allow others to run commands as root
symbion-sslproxy An SSL proxy for securing unsecure connections
tclsasl A Tcl interface to the Cyrus SASLv2 library
swatch The Simple WATCHer and filter
tea-total Extremely small 128 bit private key based encryption/decryption system
termlog Monitor or log multiple system terminals synchronously
tinc A Virtual Private Network (VPN) daemon
tinyca Simple graphical interface to manage a small Certification Authority
tor An anonymizing overlay network for TCP
trinokiller Remotely kill trino nodes
tripwire File system security and verification program
uberkey A keylogger for x86 systems
tripwire-131 File system security and verification program
tripwire12 File system security and verification program
uvscan-dat AntiVirus DAT file for uvscan
vida Vida is a multi-datapipe handler
vlock Locks a terminal
vlog A curses based real-time logfile viewer esp. useful for ipflog
vncrypt Cryptographic disk driver for FreeBSD
vpnc Client for Cisco 3000 VPN Concentrator
vpnd VPN daemon offering transparent blowfish encryption between networks
vscan Evaluation version of a DOS/Windows/Linux file virus scanner
vulnerability-test-port Standard vulnerability test for port auditing systems
vuxml Vulnerability and eXposure Markup Language DTD
vxquery VuXML Query Tool
xca Graphical certification authority
xinetd Replacement for inetd with better control and logging
xmlsec XML Security Library
xmlsec1 XML Security Library
xspy A utility for monitoring keystrokes on remote X servers
yafic Yet Another File Integrity Checker, similar to Tripwire
zebedee Encrypted, secure compressed TCP tunnel
zombiezapper Send a terminate command to Trinoo/TFN/Stacheldracht DDoS agents
pft Printer Job Language library and tool
revelation Password manager for the GNOME 2 desktop
opieprint Output postscript with 100 OPIE passwords credit card sized
clusterssh Controls multiple hosts simultaneously via xterms and ssh
cyrus-sasl2-ldapdb SASL LDAPDB auxprop plugin
gnomekeyringmanager GNOME keyring manager
hpn-ssh High Performance Enabled SSH/SCP
p5-Email-Obfuscate Obfuscates email addresses
p5-Filter-CBC Source filter for Cipher Block Chaining
p5-Filter-Crypto Create runnable Perl files encrypted with OpenSSL libcrypto
p5-POE-Component-SSLify Integrate SSL into POE
pear-Auth_HTTP PEAR HTTP authentication
pear-Crypt_RC4 PEAR encryption class for RC4 encryption
pear-File_Passwd PEAR class to manipulate many kinds of password files
pear-LiveUser PEAR user authentication and permission management framework
pwauth A Unix Web Authenticator
sks Synchronizing Key Server, a fast OpenPGP keyserver
spike-proxy Tool for looking for vulnerabilities in web applications
sudosh A sudo shell
aimsniff AOL Instant Messanger Sniffing and Reading Tool
amavis-stats A simple AMaViS statistics generator based on rrdtool
barnyard
base Basic Analysis and Security Engine - analyzing Snort alerts
bdc BitDefender Console Antivirus for FreeBSD
bruteforceblocker Checks for SSH bruteforce and blocks given IPs
calife-devel A lightweight alternative to sudo
courier-authlib
distcache-devel Distributed OpenSSL session caching tools - development version
dmitry Deepmagic Information Gathering Tool
gaim-otr Allows deniable private conversations using GAIM
gnu-crypto Java cryptographic primitives and tools
gpgme03 A library to make access to GnuPG easier
gtkpasman A GTK+ passwords manager for system and network administrators
hostapd Authenticator (server) for WPA/802.1x protocols
idea A command line idea encryption and decryption utility
ipfilter2dshield Official DShield client for ipfilter firewall logs
libotr The portable OTR Messaging Library and toolkit
libssh2 A library implementing the SSH2 protocol
metasploit Exploit-Framework for Penetration-Testing Exploit-Framework for Penetration-Testing Exploit-Framework for Penetration-Testing
openscep Open source scep server
p5-Business-PayPal-EWP Perl extension to talk to paypal
p5-CSP A Perl tool for managing Certificate Authorities
p5-Digest-SHA256 Perl5 interface to the SHA256 algorithm
p5-SAVI-Perl Perl5 module interface to Sophos AntiVirus
pam_mkhomedir Create HOME with a PAM module on demand
pamtester A command line pam authentication tester
pear-Auth_PrefManager PEAR preferences management class
pear-Crypt_Blowfish PEAR class for blowfish encryption
pear-Crypt_CHAP PEAR class for generating CHAP packets
pear-Crypt_HMAC PEAR class to calculate RFC 2104 compliant hashes
pear-Crypt_RSA PEAR class allows you to use two-key strong cryptography
pear-File_HtAccess PEAR class to manipulate .htaccess files
pear-File_SMBPasswd PEAR class for managing SAMBA style password files
pear-LiveUser_Admin PEAR user authentication and permission management framework
pecl-ssh2 A PECL extension to the libssh2 library
pfw A web frontend for the pf firewall
php4-cryptopp A crypto++ php wrapper
poly1305aes The poly1305 message authentication reference implementation using AES
ppars Proactive Probing Abuse Reporting System
py-clamav A python binding to libclamav written in C
py-twistedConch An SSH and SFTP protocol implementation with clients and servers
racoon2 Racoon2 IPsec daemon
sancp A network connection profiler
scanhill Microsoft Messenger Protocol Sniffer Microsoft Messenger Protocol Sniffer Microsoft Messenger Protocol Sniffer
sasp A tool that permits to use a gateway whatever IP we have
secure_delete Secure data deletion toolkit
snort_inline An inline IPS system based on snort using ipfw
snortsms A remote management and monitoring interface for Snort based IDS
sscep Simple scep client
tinysu A featureless replacement for su and sudo
unicornscan Next-generation of udpscan plus a high-speed TCP scanner
wipe File and block device wiping utility
wpa_supplicant Supplicant (client) for WPA/802.1x protocols
amavisd-milter Milter for amavisd-new
bcrypt A cross-plattform blowfish encryption utility
bsdsfv A flexible SFV checksum utility
courierpassd User authentication and password changing daemon utility
denyhosts Script to thwart ssh attacks
ipguard Tool designed to protect LAN IP adress space by ARP spoofing
ipsec-tools KAME racoon IKE daemon, ipsec-tools version
jce_policy14 JCE Unlimited Strength Jurisdiction Policy Files
libpreludedb Framework library for access to Prelude NIDS database
md4coll Fast MD4 collision generator Fast MD4 collision generator Fast MD4 collision generator
md5coll Fast MD5 collision generator Fast MD5 collision generator Fast MD5 collision generator
ncrypt Advanced AES file encryption tool
newpki-client C++ PKI client from newpki project C++ PKI client from newpki project C++ PKI client from newpki project
newpki-lib C++ PKI libraries from newpki project C++ PKI libraries from newpki project C++ PKI libraries from newpki project
newpki-server C++ PKI server from newpki project C++ PKI server from newpki project C++ PKI server from newpki project
openct A middleware framework for smart card terminals A middleware framework for smart card terminals A middleware framework for smart card terminals
openfwtk Application proxy toolkit which inherits the ideology of TIS fwtk
p5-Authen-CyrusSASL Perl5 module for accessing the SASL authentication daemon
p5-Authen-Htpasswd Authen::Htpasswd - interface to read and modify Apache .htpasswd files
p5-Authen-SASL-Cyrus XS SASL Authentication
p5-Crypt-NULL Perl implementation of the NULL encryption algorithm
p5-Data-Password A Perl extension for assessing password quality
p5-Digest-SHA Perl extension for SHA-1/224/256/384/512
p5-GD-SecurityImage Perl5 module for creating CAPTCHA security images
p5-Net-Daemon-SSL Perl5 extension for portable daemons
p5-Net-OpenID-Server Reference implementation of OpenID server
pamsfs A PAM module to mount SFS home directories
pkcrack A utility for breaking pkzip encryption
pure-sfv Utility to test and create .sfv files
py-crack Python bindings to cracklib
signing-party Various OpenPGP related tools
squidclam Bridge betwean ClamAV antivirus software and Squid caching proxy
sud Execute processes with special privileges in a nosuid environment
tlswrap An FTP proxy that wraps data and control with TLS/SSL
tthsum A command-line utility for generating and checking TTH message digests
webfwlog A web-based firewall log analyzer
yersinia Layer 2 vulnerability scanner (switches, spanning tree, 802.1q ...)
pear-Crypt_DiffieHellman PEAR class implementing Diffie-Hellman Key Exchange protocol for PHP5
pear-Crypt_GPG GNU Privacy Guard (GPG)
shimmer Perl implementation that hides a valuable port on your server
aespipe An AES encrypting or decrypting pipe An AES encrypting or decrypting pipe An AES encrypting or decrypting pipe
afterglow A collection of graph-generating scripts
aolserver-nsencrypt OpenSSL data encryption module for AOLserver
aolserver-nsmcrypt AOLserver interface to mcrypt library
aolserver-nsmhash AOLserver interface to mhash library
aolserver-nsopenssl OpenSSL socket encryption module for AOLserver
aolserver-nssha1 AOLserver module to perform SHA1 hashes
apache-xml-security-c Apache XML security libraries C version
bioapi BioAPI library implementation
bioapitool BioAPI management utility
blocksshd Protects computers from SSH brute force attacks
bruteblock Software for blocking bruteforce attacks with ipfw
bsmtrace BSM based intrusion detection system
bsp_upektfmess UPEK TouchChip TFM/ESS Fingerprint BSP
ca_root_nss The root certificate bundle from the Mozilla Project
chaosreader A tool to extract data from tcpdump logs
chntpw Utility to set the password and edit registry on Microsoft NT system
chroot_safe A tool to chroot softwares easily
clamcour ClamAV courier filter
clamtk GTK front-end for Clam Antivirus
courierpasswd User authentication and password changing utility
courieruserinfo User account information retrieval utility
cryptstring Crypto Strings for PHP
cutlass Encrypted peer-to-peer voice, text, and file transmission protocol
dns-proxy-tor Resolves DNS requests through Tor
drupal4-ldap_integration LDAP user authentication for the Drupal CMS LDAP user authentication for the Drupal CMS LDAP user authentication for the Drupal CMS
engine_pkcs11 An implementation of a PKCS\#11 engine for OpenSSL
execwrap Super-user exec wrapper
expiretable Utility to remove entries from the pf(4) table based on their age
f-protd F-Prot Antivirus for BSD Mail Server
fiked A fake IKE PSK+XAUTH daemon based on VPNC
fl0p Passive L7 flow fingerprinting tool
fswatch File system checksum checker File system checksum checker File system checksum checker
fwipe A djb-style file wiping utility
gnome-gpg Simple commandline wrapper around gpg for gnome-keyring
gnome-keyring A program that keeps passwords and other secrets
gnome-keyring-manager GNOME keyring manager
gnupg1 The GNU Privacy Guard
gorilla Password Gorilla is cross-platform Password Manager
gpass A password manager for GNOME2
hamachi Fast, secure, simple VPN software with NAT-traversal Fast, secure, simple VPN software with NAT-traversal Fast, secure, simple VPN software with NAT-traversal
horde-jeta Horde wrapper around various Java SSH applets
httprint Web server fingerprinting tool
iaikpkcs11wrapper A PKCS\#11 Java wrapper
ike Shrew Soft IKE daemon and client tools
ipfcount Summarise ipf logs by counting and sorting the fields
ipfwcount Summarise ipfw logs by counting and sorting the fields
isnprober PenTest tool for TCP Initial Sequence Numbers research
kedpm A simple application for managing personal data
keepassx Cross Platform Password Manager
klamav A KDE 3 front-end to Clam Anti-Virus
knock A flexible port-knocking server and client
kopete-otr Allows deniable private conversations using Kopete
kovpn A simple GUI for OpenVPN clients
lasso Free Liberty Alliance Implementation
libp11 A small layer on top of PKCS\#11 API
matrixssl Small alternative SSL implementation
medusa A speedy, massively parallel, modular, login brute-forcer
mosref A secure remote execution framework using a compact Scheme-influenced VM
mypasswordsafe Easy-to-use password manager compatible with Password Safe
nmap-i18n-man Translated manual pages for nmap
ocaml-cryptgps Symmetric cryptographic algorithms package for OCaml
ocaml-ssl OpenSSL bindings for OCaml
openbsm Open Source Basic Security Module (BSM) Audit Implementation Open Source Basic Security Module (BSM) Audit Implementation Open Source Basic Security Module (BSM) Audit Implementation
opensaml Open source implentation of SAML Open source implentation of SAML Open source implentation of SAML
openvpn-admin GUI frontend to openvpn
openvpn-auth-ldap LDAP authentication plugin for OpenVPN
openvpn-devel Secure IP/Ethernet tunnel daemon Secure IP/Ethernet tunnel daemon Secure IP/Ethernet tunnel daemon
ossec-hids-server
phpdeadlock Web-based user authentication/password protection system
osslsigncode OpenSSL-based signcode utility
p5-Authen-Bitcard Bitcard authentication verification
p5-Authen-Libwrap Authen::Libwrap - access to TCP Wrappers library
p5-Authen-NTLM Perl extension to authenticate against an NTLM server
p5-Authen-PAAS Perl Authentication & Authorization Service
p5-Authen-PluggableCaptcha A pluggable Captcha framework for Perl
p5-Authen-Simple Simple authentication framework
p5-Authen-Simple-DBI Simple DBI authentication
p5-Authen-Simple-DBM Simple DBM authentication
p5-Authen-Simple-HTTP Simple HTTP authentication
p5-Authen-Simple-LDAP Simple LDAP authentication
p5-Authen-Simple-Net Simple authentication via FTP, POP3, or SMTP
p5-Authen-Simple-PAM Simple PAM authentication
p5-Authen-Simple-Passwd Simple Passwd authentication
p5-Authen-Simple-RADIUS Simple RADIUS authentication
p5-Authen-Simple-SMB Simple SMB authentication
p5-Authen-Simple-SSH Simple SSH authentication
p5-Authen-TypeKey TypeKey authentication verification
p5-Crypt-AppleTwoFish Perl extension for Apple iTMS internal key descrambling algorithm
p5-Crypt-CFB Perl extension for encrypting data in Cipher Feedback Mode
p5-Crypt-Caesar Perl extension for decrypting rot-N strings
p5-Crypt-Camellia_PP Perl extension for Camellia Encryption Algorithm in pure Perl
p5-Crypt-Chimera Perl extension for Chimera key exchange protocol
p5-Crypt-Ctr Perl extension for encrypting data in Counter Mode
p5-Crypt-DES_PP Perl extension for DES encryption in pure Perl
p5-Crypt-Dining The Dining Cryptographers' Protocol
p5-Crypt-Enigma Perl extension for the Enigma cipher
p5-Crypt-GCrypt Perl interface to the GNU Cryptographic library
p5-Crypt-GOST Perl extension for GOST Encryption Algorithm
p5-Crypt-GOST_PP Perl extension for GOST Encryption Algorithm in pure Perl
p5-Crypt-GPG Perl extension for GnuPG
p5-Crypt-HCE_MD5 Perl extension implementing one way hash chaining encryption using MD5
p5-Crypt-Imail Perl extension to encrypt and decrypt Imail passwords
p5-Crypt-Khazad Perl extension for Khazad block cipher
p5-Crypt-License Perl extension to examine a license
p5-Crypt-Lite Perl extension for a symmetric data encryption and decryption
p5-Crypt-Loki97 Perl extension for Loki97 block cipher
p5-Crypt-MySQL Perl extension to compare MySQL passwords without libmysqlclient
p5-Crypt-OICQ Cryptographic algorithm used by OICQ protocol
p5-Crypt-OpenSSL-X509 Perl extension for OpenSSL X509 API
p5-Crypt-Rabbit Perl extension for Rabbit stream cipher
p5-Crypt-Rijndael_PP Perl implementation of Rijndael
p5-Crypt-SKey Perl S/Key calculator
p5-Crypt-Salt Perl extension to generate a salt to be fed into crypt
p5-Crypt-SaltedHash Perl extension to work with salted hashes
p5-Crypt-Shark Perl extension for Shark block cipher
p5-Crypt-TEA Perl extension to Tiny Encryption Algorithm
p5-Crypt-X509 Perl extension to parse X.509 certificates
p5-Data-Entropy Entropy (randomness) management
p5-Digest-Adler32 Perl extension for Adler32 hash algorithm
p5-Digest-CRC Perl extension for calculating CRC cheksums
p5-Digest-Crc32 Perl extension for calculating 32-bit CRC cheksums
p5-Digest-DJB Perl extension for D.J Bernstein's hash algorithm
p5-Digest-DMAC Perl5 interface to DMAC Double Message-Digest Algorithms
p5-Digest-EMAC Perl5 interface to EMAC Double Message-Digest Algorithms
p5-Digest-Elf Perl extension for ElfHash hash algorithm
p5-Digest-FNV Perl extension for Fowler/Noll/Vo hash algorithm
p5-Digest-Hashcash Perl extension for Hashcash hash algorithm
p5-Digest-Haval256 Perl extension for Haval256 hash algorithm
p5-Digest-JHash Perl extension for JHash hash algorithm
p5-Digest-MD5-File Perl extension for getting MD5 sums for files and urls
p5-Digest-MD5-Reverse Perl extension that looks for MD5 hashes in several databases
p5-Digest-ManberHash Perl extension for ManberHash hash algorithm
p5-Digest-Pearson Perl extension for Peter K. Pearson's hash algorithm
p5-Digest-Pearson-PurePerl Perl extension for Peter K. Pearson's hash algorithm in pure Perl
p5-Digest-Perl-MD4 Perl extension for MD4 hash algorithm in pure Perl
p5-Digest-Perl-MD5 Perl extension for MD5 hash algorithm in pure Perl
p5-Digest-SHA-PurePerl Perl extension for SHA-1/224/256/384/512 in pure Perl
p5-Digest-SV1 Perl extension for SV1 hash algorithm
p5-Digest-Tiger Perl extension for Tiger hash algorithm
p5-Digest-Whirlpool Perl extension for Whirlpool hash algorithm
p5-File-Scan-ClamAV Perl extension for the clamav virus scanner
p5-GSSAPI Perl extension providing access to the GSSAPIv2 library
p5-HTML-Email-Obfuscate Obfuscates HTML email addresses that look normal
p5-Net-Server-Mail-ESMTP-AUTH Plain and login auth methods for Net::Server::Mail::ESMTP
p5-Net-SinFP Full operating system stack fingerprinting suite Full operating system stack fingerprinting suite Full operating system stack fingerprinting suite
p5-Nmap-Parser Parse nmap scan data with perl
p5-PerlCryptLib Perl interface to Peter Guttman cryptlib API
p5-Sudo Perl extension for running a command line sudo
p5-Text-Password-Pronounceable A Perl extension for generating pronounceable passwords
p5-Tree-Authz Role-Based Access Control authorization scheme
p5-Yahoo-BBAuth Perl interface to the Yahoo! Browser-Based Authentication
p5-openxpki Perl based trustcenter software for PKI: core for server
p5-openxpki-client Perl based trustcenter software for PKI: base class for actual clients
p5-openxpki-client-cli Command line interface for local openxpki daemon
p5-openxpki-client-html-mason Web interface for local openxpki daemon
p5-openxpki-client-scep Client for SCEP requests to openxpki server
p5-openxpki-deployment Perl based enterprise class trustcenter software for PKI
p5-openxpki-i18n Perl based trustcenter software for PKI: i18n tools
pam_abl Blacklisting responsible for repeated failed authentication attempts
pam_af Anti-bruteforce PAM module
pam_authsrv PAM module for per-user authentication
pam_bsdbioapi PAM module for BioAPI
pam_p11 A PAM module using crypto tokens for auth
pam_per_user PAM module for per-user authentication
pam_pseudo PAM module for per-user authentication
pam_require A PAM module for restricting access based on unix group or username
pantera Web Application Penetration Testing Suite
parano A Gnome program to deal with hashfiles
pbnj A suite of tools to monitor changes on a network
pdfcrack A command line, password recovery tool for PDF-files
pecl-crack PECL extension to cracklib
pecl-filter PHP extension for safely dealing with input parameters PHP extension for safely dealing with input parameters PHP extension for safely dealing with input parameters
pecl-gnupg A pecl wrapper around the gpgme library
pecl-hash HASH Message Digest Framework for PHP HASH Message Digest Framework for PHP HASH Message Digest Framework for PHP
pecl-tcpwrap A PECL extension which provides tcpwrappers binding
php-Auth_OpenID PHP OpenID library
php-suhosin A PHP extension that implements high-level protections
phpmyid A single user Identity Provider for the OpenID framework
phpsecinfo A PHP environment security auditing toool
pidgin-encryption Encryption Plugin for the Pidgin instant messenger client
pidgin-otr Allows deniable private conversations using Pidgin
pkcs11-helper A helper library for multiple PKCS\#11 providers
pssh Parallel versions of the openssh tools
pvk Tool to convert a RSA key in PEM format into a PVK file and vice versa
py-bcrypt Python bcrypt module
py-cerealizer Secure pickle-like module
py-gnutls Python wrapper for the GNUTLS library
py-hashlib Backport of Python 2,5's haslib module
py-openid Python OpenID version
py-paramiko A python library for making SSH2 connections
py-tlslite Python module implenting SSL 3.0, TLS 1.0 and TLS 1.1
py-trustedpickle TrustedPickle is a Python (de)Pickler with a way to verify the data
rainbowcrack Hash cracker that precomputes plaintext - ciphertext pairs in advance
rarcrack It's try to guess your encrypted compressed file's password
ruby-crypt Pure-ruby implementation of popular encryption algorithms
rubygem-net-sftp Implementation of the SFTP client protocol
rubygem-net-ssh Non-interactive SSH processing
seccure SECCURE Elliptic Curve Crypto Utility for Reliable Encryption
sguil-client Sguil is a network security monitoring program
sguil-sensor Sguil is a network security monitoring program
sguil-server Sguil is a network security monitoring program
shibboleth-sp C++ Shibboleth Service Provider (Internet2) for Apache
shttpscanner Simple HTTP scanner
silktools Tools for large-scale network capture analysis
smap SIP scanner and identifier
snoopy An execve() wrapper and logger
sshblock Block abusive SSH login attempts
sshguard
sshit Checks for SSH/FTP bruteforce and blocks given IPs
ssss Shamir's Secret Sharing Scheme
tor-devel An anonymizing overlay network for TCP An anonymizing overlay network for TCP An anonymizing overlay network for TCP
trans-proxy-tor Transparent proxy used to redirect TCP connections into Tor
umit UMIT is the nmap frontend developed with Python and PyGTK
vinetto A forensics tool to examine Thumbs.db files
vnccrack A fast offline password cracker for VNC passwords
w3af Web Application Attack and Audit Framework
wapiti Wapiti is a vulnerability scanner for web applications
xyssl A liteweight SSL and TLS toolkit for C developers
zxid Open Source IdM for the Masses - SAML SSO
zzuf Transparent application input fuzzer
xorsearch Search for a given string in an XOR or ROL encoded binary file
yapet A curses based password manager
Linux Software