860 B
860 B
Upgrade iRedMail from 0.9.1 to 0.9.2
[TOC]
ChangeLog
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- 2015-05-16: [OPTIONAL][All backends] Update one Fail2ban filter regular expressio to help catch DoS attacks to SMTP service
General (All backends should apply these steps)
[OPTIONAL] Update one Fail2ban filter regular expressio to help catch DoS attacks to SMTP service
- Open file
/etc/fail2ban/filters.d/postfix.iredmail.conf
or/usr/local/etc/fail2ban/filters.d/postfix.iredmail.conf
(on FreeBSD), find below line under[Definition]
section:
lost connection after AUTH from (.*)\[<HOST>\]
Update above line to below one:
lost connection after (AUTH|UNKNOWN|EHLO) from (.*)\[<HOST>\]
Restarting Fail2ban service is required.