Blocking RIP requests on firewall

Darryl Hoar darryl at
Wed Aug 13 11:22:55 PDT 2003

Yes, is the SMC ADSL modem (external).
It is running DHCP and assigns the ip
to my firewall.

-ISP's DSL Line - ADSL Modem - Firewall - LAN


>-----Original Message-----
>From: lowell at [mailto:lowell at]On
>Behalf Of Lowell Gilbert
>Sent: Wednesday, August 13, 2003 12:51 PM
>To: darryl at
>Cc: freebsd-questions at
>Subject: Re: Blocking RIP requests on firewall
>"Darryl Hoar" <darryl at> writes:
>> Greetings,
>> I have a FreeBSD 4.7S machine that is running
>> IPFilter and is configured as a firewall.
>> My external interface is xl0.
>> I put block in quick on xl0 proto udp from to any port = 520
>All of the packets are coming from    

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