> Suddenly linsniffer showed up on my machine. What is it?
Sounds like a packet sniffer. Remove it, install TCP-wrappers, remove your
r-commands from /etc/inetd.conf, change all your passwords (both on that
machine and on your other accounts), install fresh copies of all the
programs mentioned in /etc/inetd.conf from your install media, and consider
installing Tripwire.
For added protection, install some form of packet filter, and drop
malformed packets, short packets, long packets, OOB data, and all incoming
protocols on ports you're not actively binding programs to in inetd.conf.
--Mark
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