IP addresses change constantly so adding them to a file is not useful.
Regards, ________________________________ De: Olaf Hopp <[email protected]> Enviado: miércoles, 29 de noviembre de 2017 12:39:06 Para: [email protected] Cc: [email protected] Asunto: Re: [exim] ACL block incorrect authentication data On 11/29/2017 02:43 PM, Emanuel Gonzalez wrote: > Hello.!! > > > my idea is to block the IP that makes the unsuccessful login attempts to the > smtp service. > > > On the web I found the following rule, but not if it is what I need. > > > acl_smtp_auth: > drop message = authentication is allowed only once per > message > set acl_m_auth = ${eval10:0$acl_m_auth+1} > condition = ${if >{$acl_m_auth}{2}} > delay = 30s > accept > I am using in my acl_smtp_connect defer hosts = /opt/exim/blackips The file "blackips" is dynamically build up by a cron-Job grepping through the exim log. The good magic is that exim is aware of modification on my blacklist file without HUP / reload / restart. Regards, Olaf -- Karlsruher Institut für Technologie (KIT) ATIS - Abt. Technische Infrastruktur, Fakultät für Informatik Dipl.-Geophys. Olaf Hopp - Leitung IT-Dienste - Am Fasanengarten 5, Gebäude 50.34, Raum 009 76131 Karlsruhe Telefon: +49 721 608-43973 Fax: +49 721 608-46699 E-Mail: [email protected] atis.informatik.kit.edu www.kit.edu<http://www.kit.edu> KIT – Die Forschungsuniversität in der Helmholtz-Gemeinschaft Das KIT ist seit 2010 als familiengerechte Hochschule zertifiziert. -- ## List details at https://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
