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net : netcat
Simple utility which reads and writes data across network connections
Netcat is a simple Unix utility which reads and writes data across network connections using TCP or UDP protocol. It is designed to be a reliable "back-end" tool that can be used directly or easily driven by other programs and scripts. At the same time it is a feature-rich network debugging and exploration tool, since it can create almost any kind of connection you would need and has several interesting built-in capabilities. Some of netcat's major features are: Outbound or inbound connections, IPv4 or IPv6, TCP or UDP, to or from any ports Full DNS forward/reverse checking, with appropriate warnings Ability to use any local source port Ability to use any locally-configured network source address Built-in port-scanning capabilities, with randomizer Built-in loose source-routing capability Can read command line arguments from standard input Slow-send mode, one line every N seconds Hex dump of transmitted and received data Optional ability to let another program service established connections Optional telnet-options responder A very short list of potential uses: Script backends Scanning ports and inventorying services, automated probes Backup handlers File transfers Server testing, simulation, debugging, and hijacking Firewall testing Proxy gatewaying Network performance testing Address spoofing tests Protecting X servers 1001 other uses you'll likely come up with _H* 960320
Version number : 1.10
Md5 : MD5 (nc110.tgz) = 402632f2fe01c169ff19a0ad6e9d608c SHA256 (nc110.tgz) = 5b3fda14e972d908896a605293f4634a72e2968278117410e12d8b3faf9a3976 SIZE (nc110.tgz) = 75267 MD5 (nc-v6-20000918.patch.gz) = 84d850745dd860aedce64b518e0e3330 SHA256 (nc-v6-20000918.patch.gz) = 7f0d5d05f4ed98f61f7efb167ef29cb25aa71e0df42c1f0cc8472e1ed660cb9a SIZE (nc-v6-20000918.patch.gz) = 8740
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