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Old 18th December 2012, 20:58
baskin baskin is offline
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Join Date: Jan 2008
Location: Syros, Greece
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I'm getting the following on fail2ban log:

2012-12-18 16:33:49,518 fail2ban.actions: WARNING [courierpop3] Ban
2012-12-18 16:33:49,528 fail2ban.actions.action: ERROR iptables -n -L INPUT | grep -q fail2ban-courierpop3 returned 100
2012-12-18 16:33:49,529 fail2ban.actions.action: ERROR Invariant check failed. Trying to restore a sane environment
2012-12-18 16:33:49,543 fail2ban.actions.action: ERROR iptables -D INPUT -p tcp -m multiport --dports pop3 -j fail2ban-courierpop3
iptables -F fail2ban-courierpop3
iptables -X fail2ban-courierpop3 returned 100
2012-12-18 16:43:50,298 fail2ban.actions: WARNING [courierpop3] Unban
Are the errors something to worry about?

Thanks in advance.
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