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nil
2009 Jan 23
4
sshd exponential backoff patch
hi,
I wrote a patch to openssh sshd.c which enables "exponential backoff",
so that an attacker cannot brute force your password by making hundreds
of login attempts.
here is the code:
http://sam.nipl.net/sshd-backoff/
An attacker who fails to login is locked out (by IP address) for 1
minute, and the lockout period doubles for each failed login after that.
Normally three logins are allowed before an ssh connection is
terminated.
This patch is "beta" software and might lock you out of...