Am 08.03.2013 15:50, schrieb Reindl Harald: > Am 08.03.2013 15:01, schrieb Tilman Schmidt: >> Am 07.03.2013 19:49, schrieb Les Mikesell: [...] >>> Does it work if you set >>> UseDNS no >>> in /etc/ssh/sshd_config? >> >> Not really. That seems to remove the "reverse mapping checking failed" >> messages (assuming there were the usual number of such attempts after >> I set that option), but IP addresses for failed logins to existing >> users are never logged. The log contains just: >> >> sshd[27912]: Disconnecting: Too many authentication failures for root > > not true, How do you know? I saw no logon from you on the machine I tested this on. :-) > i have "UseDNS no" on ANY machine since a long time > and /var/log/secure contains ip-addresses as also logwatch For failed login attempts to existing usernames? Can you share a log entry? That would give me hope that it's just a configuration issue. Thanks, Tilman -- Tilman Schmidt Abteilungsleiter Technik ---------------------------------------------------------------- Phoenix Software GmbH Tel. +49 228 97199 0 Geschäftsführer: W. Grießl Fax +49 228 97199 99 Adolf-Hombitzer-Str. 12 www.phoenixsoftware.de 53227 Bonn, Germany Amtsgericht Bonn HRB 2934 ----------------------------------------------------------------
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