Lorsque j'interroge directement la regex, j'obtiens ceci : Root rayleigh:[/etc/fail2ban/filter.d] > fail2ban-client get courier-tls failregex The following regular expression are defined: `- [0]: ^.*ip=\[(?:(?:::f{4,6}:)?(?P<ip4>(?:\d{1,3}\.){3}\d{1,3})|\[?(?P<ip6>(?:[0-9a-fA-F]{1,4}::?|::){1,7}(?:[0-9a-fA-F]{1,4}|(?<=:):))\]?|(?P<dns>[\w\-.^_]*\w))\], An unexpected TLS packet was received.$
J'avoue que je ne sais pas interpréter. Bien cordialement, JKB