Hello,
Dudi Goldenberg writes:
> One is to add some regexp checks to exim's HELO/EHLO checks, I have the
> following:
>
> acl_check_helo:
> accept hosts = @[] : @
> endpass
> deny message = FQHN Required.
> condition = ${if ! match {$sender_helo_name}{\N^[^.].*\.[^.]+$\N}}
> deny message = FQHN required. Address literals prohibited by local policy.
> condition = ${if match {$sender_helo_name}
> {^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+\$|^\[[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+\]\$}
> {yes}{no}
> accept
If you are trying to catch dynamic IP addresses, then DynaStop may work well
for you. It specifically addresses the issue of identifying dynamic
patterns. It also works very well in a clustered situation.
The url is:
http://freshmeat.net/projects/dynastop/
---
The Matthias Chronicles
http://tanaya.net/MatthiasChronicles/
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