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Bug#336539: `Tarpit' option?




Package: ssh
Version: 4.2p1-5
Severity: wishlist

My servers are being constantly hit with automatic attempts to break
in.

I'd like to be able to make it more expensive for attackers to scan
lots of username/passwords.  A simple way is to add a constant delay,
say 2--4 seconds, after a connection is found to be invalid, before
sending the `Permission Denied' message.

This would also fix bug #314645





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