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 From:  anders knudsen <andersbk at gmail dot com>
 To:  m0n0wall at lists dot m0n0 dot ch
 Subject:  Qwest DSL OSPF blocking?
 Date:  Thu, 16 Dec 2004 10:33:59 -0700
I have qwest dsl. The modem is set up in bridge mode (essentially it's
just a transceiver.)
m0n0wall is authenticating via PPPoE, and NAT/Firewall are working perfectly.
My concern is that ipf is blocking ospf requests from qwest. Will this
be a problem? Is it possible/safe to create an ipf rule to not log
these requests, as they are very frequent (see output from ipmon
below. I removed the source IP...and the 224 is obviously the ospf
broadcast address.)

I did search the mailing list, and read all the various posts
about/requesting ospf support, and can understand why it's not
included. I'm not asking for this feature, just trying to understand
if blocking these will affect me.

anyone?

TIA,
-Anders.

Dec 16 10:20:52 m0n0wall ipmon[72]: 10:20:52.712463 ng0 @0:16 b
207.b.c.d -> 224.0.0.5 PR ospf len 20 (116) IN
Dec 16 10:21:02 m0n0wall ipmon[72]: 10:21:02.720102 ng0 @0:16 b
207.b.c.d -> 224.0.0.5 PR ospf len 20 (116) IN
Dec 16 10:21:13 m0n0wall ipmon[72]: 10:21:12.711634 ng0 @0:16 b
207.b.c.d -> 224.0.0.5 PR ospf len 20 (116) IN
Dec 16 10:21:23 m0n0wall ipmon[72]: 10:21:22.718516 ng0 @0:16 b
207.b.c.d -> 224.0.0.5 PR ospf len 20 (116) IN
Dec 16 10:21:33 m0n0wall ipmon[72]: 10:21:32.720207 ng0 @0:16 b
207.b.c.d -> 224.0.0.5 PR ospf len 20 (116) IN
Dec 16 10:21:43 m0n0wall ipmon[72]: 10:21:42.714957 ng0 @0:16 b
207.b.c.d -> 224.0.0.5 PR ospf len 20 (116) IN
Dec 16 10:21:53 m0n0wall ipmon[72]: 10:21:52.723356 ng0 @0:16 b
207.b.c.d -> 224.0.0.5 PR ospf len 20 (116) IN
Dec 16 10:22:03 m0n0wall ipmon[72]: 10:22:02.713388 ng0 @0:16 b
207.b.c.d -> 224.0.0.5 PR ospf len 20 (116) IN
Dec 16 10:22:13 m0n0wall ipmon[72]: 10:22:12.713134 ng0 @0:16 b
207.b.c.d -> 224.0.0.5 PR ospf len 20 (116) IN
Dec 16 10:22:22 m0n0wall ipmon[72]: 10:22:22.722998 ng0 @0:16 b
207.b.c.d -> 224.0.0.5 PR ospf len 20 (116) IN
Dec 16 10:22:32 m0n0wall ipmon[72]: 10:22:32.722430 ng0 @0:16 b
207.b.c.d -> 224.0.0.5 PR ospf len 20 (116) IN
Dec 16 10:22:42 m0n0wall ipmon[72]: 10:22:42.713145 ng0 @0:16 b
207.b.c.d -> 224.0.0.5 PR ospf len 20 (116) IN