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Linux Journal: Doing It All with OpenSSH, Part 1May 30, 2003, 08:30 (0 Talkback[s])
(Other stories by Marcel Gagné)
Way back when, on this very corner, I did a series of articles on encryption and hiding your tracks, something I called the High Tech How Not to be Seen. In that series, I talked about the dangers of plain-text communications to security. Here's a quick recap for those who still might be connecting to remote systems using telnet. Anyone running a program like sniffit (reptile.rug.ac.be/~coder/sniffit/sniffit.html) can snoop on every packet sailing across your network. If you are logging in using telnet, that person can see your user name and password plain as day...
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