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Adding filters/anchors on-the-fly
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Kevin Kobb  
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 More options Jul 7, 11:46 pm
Newsgroups: bit.listserv.openbsd-pf
From: kk...@skylinecorp.com (Kevin Kobb)
Date: 7 Jul 2009 06:46:14 -0700
Local: Tues, Jul 7 2009 11:46 pm
Subject: Adding filters/anchors on-the-fly
Hello,

I am wondering if it is possible to add filters/anchors with pfctl to a
running instance of pf?

I have put an anchor option in my pf.conf, and I can add tables and
filter rules to that OK. But suppose I had no anchor option in pf.conf;
is there some way to add one with pfctl and insert rules and have them
used? If so, I have not been able to figure it out. This as not critical
by any means as it does work fine otherwise, but I am just trying to
figure out if I am missing something, or it just doesn't work that way.

Thanks.


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Daniel Staal  
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 More options Jul 10, 12:07 pm
Newsgroups: bit.listserv.openbsd-pf
From: DSt...@usa.net (Daniel Staal)
Date: 9 Jul 2009 19:07:33 -0700
Local: Fri, Jul 10 2009 12:07 pm
Subject: Re: Adding filters/anchors on-the-fly
--As of July 7, 2009 8:56:34 AM -0400, Kevin Kobb is alleged to have said:

> Hello,

> I am wondering if it is possible to add filters/anchors with pfctl to a
> running instance of pf?

> I have put an anchor option in my pf.conf, and I can add tables and
> filter rules to that OK. But suppose I had no anchor option in pf.conf;
> is there some way to add one with pfctl and insert rules and have them
> used? If so, I have not been able to figure it out. This as not critical
> by any means as it does work fine otherwise, but I am just trying to
> figure out if I am missing something, or it just doesn't work that way.

--As for the rest, it is mine.

Well, you can always load a new rules file...  But other than that or
having an anchor, no.  That's kinda the point of an anchor.

Daniel T. Staal

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Kevin Kobb  
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 More options Jul 10, 11:37 pm
Newsgroups: bit.listserv.openbsd-pf
From: kk...@skylinecorp.com (Kevin Kobb)
Date: 10 Jul 2009 06:37:33 -0700
Local: Fri, Jul 10 2009 11:37 pm
Subject: Re: Adding filters/anchors on-the-fly

Pretty much what I figured. I only ask because with iptables it is
possible to do this, and I am looking at something that was configured
for that. However, it is easy enough to do what I want by adding an
anchor first, and certainly not worth dealing with iptables ;)

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