Fail2Ban on Zimbra 8.8 with Centos 7

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Peter Parker
Posts: 4
Joined: Mon Apr 09, 2018 2:06 am
Location: Vietnam

Fail2Ban on Zimbra 8.8 with Centos 7

Postby Peter Parker » Thu Jun 21, 2018 8:52 am

Hi guys,

I’m having a multi-server Zimbra environment as follow: 1 LDAP + 2 MTA + 2 MAILBOX + 1 PROXY.

I’m setting Fail2Ban on Zimbra 8.8 with Centos 7 to prevent the brute force attacks.

I’m following this article ... p-by-step/. But, I am seeing that this post only working for a single server environment. Let me explain to you.

These logs are stored at Mailbox Server.

enabled = true
filter = zimbra
action = iptables-allports[name=Zimbra-account]
logpath = /opt/zimbra/log/mailbox.log
bantime = -1
maxretry = 4


enabled = true
filter = zimbra
action = iptables-allports[name=Zimbra-audit]
logpath = /opt/zimbra/log/audit.log
bantime = -1
maxretry = 2

This log is being stored at MTA Server.


enabled = true
filter = postfix
action = iptables-multiport[name=Postfix, port=smtp, protocol=tcp]
logpath = /var/log/maillog
bantime = -1
maxretry = 5

So, can I ask you the question?

Can you please let me know where is being installed Fail2Ban? MTA or Mailbox or both on 2 servers? I have read every article on setting up Fail2Ban and they are all different.

Can you please share for me these Fail2Ban configuration files as ( /etc/fail2ban/jail.conf, /etc/fail2ban/filter.d/zimbra.conf, and /etc/fail2ban/action.d/iptables-allports.conf) are working on multi server environment?

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