A Unix Utility You Should Know About: Netcat

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langagemachine Permalink
November 09, 2010, 16:48

The -e switch does not seem to work here (Ubuntu 10.4) ?

nc -l -p 12345 -e /bin/bash
nc: invalid option -- 'e'
usage: nc [-46DdhklnrStUuvzC] [-i interval] [-P proxy_username] [-p source_port]
[-s source_ip_address] [-T ToS] [-w timeout] [-X proxy_protocol]
[-x proxy_address[:port]] [hostname] [port[s]]

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alex Permalink
March 16, 2011, 14:32

It is a variant of NC. The '-e' can be considered a security issue so some vendors do not include it in their distro.

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