Dominic,
Thank you so much for your troubleshooting tips. Apparently, I shouldn't have
trusted the output of fail2ban -d :
root@messagerie[10.10.10.19] ~ # fail2ban-client -d | grep postfix-sasl-long
WARNING 'ignoreregex' not defined in 'Definition'. Using default one: ''
WARNING 'ignoreregex' not defined in 'Definition'. Using default one: ''
['add', 'postfix-sasl-long', 'auto']
['set', 'postfix-sasl-long', 'usedns', 'warn']
['set', 'postfix-sasl-long', 'addlogpath', '/var/log/mail.warn']
['set', 'postfix-sasl-long', 'maxretry', 10]
['set', 'postfix-sasl-long', 'addignoreip', '127.0.0.1/8']
['set', 'postfix-sasl-long', 'addignoreip', '10.10.10.0/24']
['set', 'postfix-sasl-long', 'addignoreip', '172.16.0.0/16']
['set', 'postfix-sasl-long', 'addignoreip', '192.168.0.0/16']
['set', 'postfix-sasl-long', 'ignorecommand', '']
['set', 'postfix-sasl-long', 'findtime', 86400]
['set', 'postfix-sasl-long', 'bantime', 432000]
['set', 'postfix-sasl-long', 'addfailregex',
'^\\s*(<[^.]+\\.[^.]+>)?\\s*(?:\\S+ )?(?:kernel: \\[ *\\d+\\.\\d+\\]
)?(?:@vserver_\\S+
)?(?:(?:\\[\\d+\\])?:\\s+[\\[\\(]?postfix/smtpd(?:\\(\\S+\\))?[\\]\\)]?:?|[\\[\\(]?postfix/smtpd(?:\\(\\S+\\))?[\\]\\)]?:?(?:\\[\\d+\\])?:?)?\\s(?:\\[ID
\\d+ \\S+\\])?\\s*warning: [-._\\w]+\\[<HOST>\\]: SASL
(?:LOGIN|PLAIN|(?:CRAM|DIGEST)-MD5) authentication failed(: [
A-Za-z0-9+/]*={0,2})?\\s*$']
['set', 'postfix-sasl-long', 'addaction', 'shorewall']
['set', 'postfix-sasl-long', 'actionban', 'shorewall', 'shorewall <blocktype>
<ip>']
['set', 'postfix-sasl-long', 'actionstop', 'shorewall', '']
['set', 'postfix-sasl-long', 'actionstart', 'shorewall', '']
['set', 'postfix-sasl-long', 'actionunban', 'shorewall', 'shorewall allow <ip>']
['set', 'postfix-sasl-long', 'actioncheck', 'shorewall', '']
['set', 'postfix-sasl-long', 'setcinfo', 'shorewall', 'blocktype', 'reject']
['start', 'postfix-sasl-long']
root@messagerie[10.10.10.19] ~ #
Here it seems that the jail postfix-sasl-long exist, but when I issue the
command you have given
root@messagerie[10.10.10.19] ~/SCRIPTS/MAIL # fail2ban-client get
postfix-sasl-long addaction
ERROR NOK: ('postfix-sasl-long',)
Sorry but the jail 'postfix-sasl-long' does not exist
root@messagerie[10.10.10.19] ~/SCRIPTS/MAIL #
The jail doesn't exit ! are there two configurations for fail2ban ? (one for
the "client" and one for the "server" ?)
After restarting (the server I guess), the jail is found and the action too
root@messagerie[10.10.10.19] ~/SCRIPTS/MAIL # service fail2ban restart
root@messagerie[10.10.10.19] ~/SCRIPTS/MAIL # fail2ban-client get
postfix-sasl-long addaction
shorewall
root@messagerie[10.10.10.19] ~/SCRIPTS/MAIL #
I'll leave it like this for a day and see what I get tomorrow.
Thanks again !
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