Configuring STARTTLS in Exim
When securing your web servers, be sure not to forget your email servers!
When securing your web servers, be sure not to forget your email servers!
Blocking Exim DOS/mail bombs
Following on from last week’s w00tw00t block, here’s another quick fail2ban rule, this time to handle some Exim DOS/mail bombing problems. I already use Fail2Ban to block unauthorised users who attempt to use my mail server as a relay to send spam, and this works very well. Recently, I’ve started seeing messages like this one […]
Following on from last week’s w00tw00t block, here’s another quick fail2ban rule, this time to handle some Exim DOS/mail bombing problems. I already use Fail2Ban to block unauthorised users who attempt to use my mail server as a relay to send spam, and this works very well. Recently, I’ve started seeing messages like this one […]
Reducing the stress of configuration management with Git
I have previously written about using Git to add revision history to existing rsync backups. Having performed a number of configuration changes and system upgrades recently, I have found another use of Git which has proven invaluable. It’s a fairly obvious hack, but it turns out that turning selected configuration directories (for example /etc/apache2/ and […]
I have previously written about using Git to add revision history to existing rsync backups. Having performed a number of configuration changes and system upgrades recently, I have found another use of Git which has proven invaluable. It’s a fairly obvious hack, but it turns out that turning selected configuration directories (for example /etc/apache2/ and […]
