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List:       openbsd-misc
Subject:    Re: Periodic DNS resolution
From:       David Gwynne <david () gwynne ! id ! au>
Date:       2014-09-29 1:56:07
Message-ID: A4FC49D6-F184-4664-9D34-ED145F6A93E6 () gwynne ! id ! au
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i run some scripts out of cron (and from rc.local on boot) to keep some tables in \
sync with DNS. the scripts are perl so i can use Net::DNS, but apart from that its \
been pretty robust and straightforward.

dlg

On 29 Sep 2014, at 11:44, Austin Gilbert <austin.gilbert@gmail.com> wrote:

> A problem that seems to come up over and over again with egress filtering firewalls \
> are sites that move IPs so the names need to be resolved periodically and rules \
> updated.  
> I recently migrated to using pf and was wondering if anyone had suggestions for how \
> they tackle this problem. 
> I realize I could create cron jobs with scripts to do this, but was curious if \
> there was a better way. 
> I'd eventually like to track changes and log them as well.
> 
> Cheers,
> Austin


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