You have the digit 1 after your chain name (fail2ban-Exim) which shouldn't be 
there.
Post your jail, filter, and action.

Bill

On 2/16/2018 9:24 AM, Emanuel Gonzalez wrote:
Hello,

In fail2ban logs i see this error:

2018-02-16 11:15:28,629 fail2ban.actions.action: ERROR /sbin/iptables -I fail2ban-Exim 1 -s 203.146.43.124 -p tcp --destination-port 25 -j DROP
/sbin/iptables -I fail2ban-Exim 1 -s 203.146.43.124 -p udp --destination-port 
25 -j DROP
/sbin/iptables -I fail2ban-Exim 1 -s 203.146.43.124 -p tcp --destination-port 
587 -j DROP
/sbin/iptables -I fail2ban-Exim 1 -s 203.146.43.124 -p udp --destination-port 
587 -j DROP
/sbin/iptables -I fail2ban-Exim 1 -s 203.146.43.124 -p tcp --destination-port 
465 -j DROP
/sbin/iptables -I fail2ban-Exim 1 -s 203.146.43.124 -p udp --destination-port 
465 -j DROP returned 100

in the iptables i not see any ip blocked

/etc/fail2ban] # iptables -nL
Chain INPUT (policy ACCEPT)
target     prot opt source               destination

Chain FORWARD (policy ACCEPT)
target     prot opt source               destination

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination

any sugestions?




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