* Michael Tautschnig <[EMAIL PROTECTED]> [2008-08-21 07:35-0400]: > Hi all, > > since two days (approx.) I'm seeing an extremely high number of apparently > coordinated (well, at least they are trying the same list of usernames) brute > force attempts from IP addresses spread all over the world. I've got denyhosts > and an additional iptables based firewall solution in place to mitigate these > since quite some time already and this seems to do the trick in terms of > blocking them fairly quickly.
I hope you are aware that its very trivial for a non-privileged user on your system to issue a logger command to trigger a denyhosts DOS to lock out anyone they want. micah
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