search for: blocksshd

Hi Everyone, Before I begin, I'd just like to mention: I love dovecot. Thank you :) Anyway, today I had 8000 login attempts to my dovecot server in an hour before blocking the IP with my firewall. After googling, I didn't see very much discussion on the topic. There was some mention of blocksshd which was supposed to support dovecot in the next release (but doesn't appear to) and also fail2ban. While a script that parses logfiles will work, I'm not sure that this is the best way to go about handling repeated authentication failure. Would it not be best built into dovecot? Are th...

...> > Date: Thu, 16 Nov 2006 12:18:00 -0500 > To: <centos at centos.org> > Conversation: [CentOS] Re: IPTables Blocking Brute Forcers > Subject: RE: [CentOS] Re: IPTables Blocking Brute Forcers > > You could try something like this: > > http://freshmeat.net/projects/blocksshd/ > >> From there readme: > BlockSSHD is a Perl script based on BruteForceBlocker v1.2.3 that > dynamically > adds IPTables rules for Linux and pf firewall rules for BSD that block > SSH > brute force attacks. It can also detect ProFTPd login failures. > > Cheers,...

Hello! A machine I manage remotely for a friend comes under a distributed ssh break-in attack every once in a while. Annoyed (and alarmed) by the messages like: Aug 12 10:21:17 symbion sshd[4333]: Invalid user mythtv from 85.234.158.180 Aug 12 10:21:18 symbion sshd[4335]: Invalid user mythtv from 85.234.158.180 Aug 12 10:21:20 symbion sshd[4337]: Invalid user mythtv from 85.234.158.180 Aug 12

Hello! A machine I manage remotely for a friend comes under a distributed ssh break-in attack every once in a while. Annoyed (and alarmed) by the messages like: Aug 12 10:21:17 symbion sshd[4333]: Invalid user mythtv from 85.234.158.180 Aug 12 10:21:18 symbion sshd[4335]: Invalid user mythtv from 85.234.158.180 Aug 12 10:21:20 symbion sshd[4337]: Invalid user mythtv from 85.234.158.180 Aug 12

In http://www.freebsd.org/releases/7.0R/announce.html says Updating Existing Systems > An upgrade of any existing system to FreeBSD 7.0-RELEASE constitutes > a major version upgrade, so no matter which method you use to update > an older system you should reinstall any ports you have installed on > the machine. This will avoid binaries becoming linked to inconsistent > sets