Date: Mon, 17 Sep 2007 13:45:31 -0300 From: Agus <agus.262@gmail.com> To: Mel <fbsd.questions@rachie.is-a-geek.net> Cc: freebsd-questions@freebsd.org Subject: Re: How to add rule with pfctl... Message-ID: <fda61bb50709170945u3a1fba81t8fa8244dbcfc5baf@mail.gmail.com> In-Reply-To: <200709152336.27214.fbsd.questions@rachie.is-a-geek.net> References: <fda61bb50709151418r61b0e0b4rd889b517b954fae9@mail.gmail.com> <200709152336.27214.fbsd.questions@rachie.is-a-geek.net>
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2007/9/15, Mel <fbsd.questions@rachie.is-a-geek.net>:
>
> On Saturday 15 September 2007 23:18:17 Agus wrote:
>
> > I am trying to figure out how to add a firewall rule with pfctl...
> > This is what i'm trying to do...
> >
> > I've got SEC that matches certain pattern and takes the IP from that and
> > want to trigger a firewall rule to block that IP....
> > Then after a couple of hours SEC will trigger the command to un-block
> the
> > IP...
> > So what i need is the command to block an IP address from command line,
> not
> > touching any pf.conf....
>
> If you don't need to add a rule but an IP, then tables are your friend.
> Example for /etc/pf.conf:
> # Placeholder for spammers table, non-routable network IP.
> table <spammers> persist { 192.168.111.111 }
> # Block this traffic
> block return-rst in log on $ext_if proto tcp from <spammers> port smtp
>
> Then on the command line:
> /sbin/pfctl -t spammers -Tadd ip.from.new.spammer
> And to delete:
> /sbin/pfctl -t spammers -Tdel ip.from.old.spammer
>
> --
> Mel
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Hi,
I put this on /etc/pf.conf
external_addr="192.168.1.11" which is the address of the only interface.
This machine isn't a router.
block drop in quick on $ext_if inet proto tcp from 192.168.0.1 to
$external_addr port ssh
but when i try to connect from 192.168.0.1 i connect with no problems...this
rule is to block access..
What am i doing wrong..is my first time with pf...
Thankss...
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