Subject: Blocking broadcast packets with IPF
To: None <netbsd-help@netbsd.org>
From: Todd Gruhn <tgruhn2@mail.com>
List: netbsd-help
Date: 07/03/2005 06:32:01
I switched from a modem conection to Comcast pppoe internet.
Now /var/log/ipmonlog is full of log entries like this:

Jul  2 18:10:31 gandalf ipmon[242]: 18:10:31.258806 rtk0 @100:2 b 10.71.168=
.1,bootps -> 255.255.255.255,bootpc PR udp len 20 370 IN broadcast=20
Jul  2 18:10:31 gandalf ipmon[242]: 18:10:31.345966 rtk0 @100:2 b 10.71.168=
.1,bootps -> 255.255.255.255,bootpc PR udp len 20 370 IN broadcast=20
Jul  2 18:10:33 gandalf ipmon[242]: 18:10:33.384774 rtk0 @100:2 b 10.71.168=
.1,bootps -> 255.255.255.255,bootpc PR udp len 20 371 IN broadcast=20
Jul  2 18:10:34 gandalf ipmon[242]: 18:10:33.539746 rtk0 @100:2 b 10.71.168=
.1,bootps -> 255.255.255.255,bootpc PR udp len 20 371 IN broadcast=20
Jul  2 18:10:44 gandalf ipmon[242]: 18:10:44.329118 2x rtk0 @100:2 b 10.71.=
168.1,bootps -> 255.255.255.255,bootpc PR udp len 20 371 IN broadcast=20
Jul  2 18:10:48 gandalf ipmon[242]: 18:10:48.410766 2x rtk0 @100:2 b 10.71.=
168.1,bootps -> 255.255.255.255,bootpc PR udp len 20 371 IN broadcast=20
Jul  2 18:10:56 gandalf ipmon[242]: 18:10:56.500039 rtk0 @100:2 b 10.71.168=
.1,bootps -> 255.255.255.255,bootpc PR udp len 20 371 IN broadcast=20
Jul  2 18:11:08 gandalf ipmon[242]: 18:11:07.537773 2x rtk0 @100:2 b 10.71.=
168.1,bootps -> 255.255.255.255,bootpc PR udp len 20 371 IN broadcast=20
Jul  2 18:12:04 gandalf ipmon[242]: 18:12:03.951672 rtk0 @120:4 b 202.99.17=
2.160,34440 -> pcp02406082pcs.gnscrp01.va.comcast.net[68.84.11.16],1027 PR =
udp len 20=20
502 IN=20
Jul  2 18:20:05 gandalf ipmon[242]: 18:20:04.743763 rtk0 @120:4 b 222.241.9=
5.3,41615 -> pcp02406082pcs.gnscrp01.va.comcast.net[68.84.11.16],1026 PR ud=
p len 20 50
3 IN=20
Jul  2 18:20:05 gandalf ipmon[242]: 18:20:04.743829 rtk0 @120:4 b 222.241.9=
5.3,41617 -> pcp02406082pcs.gnscrp01.va.comcast.net[68.84.11.16],1027 PR ud=
p len 20 50
3 IN=20
Jul  2 18:24:26 gandalf ipmon[242]: 18:24:25.798694 2x rtk0 @100:2 b 10.71.=
168.1,bootps -> 255.255.255.255,bootpc PR udp len 20 371 IN broadcast=20
Jul  2 18:26:35 gandalf ipmon[242]: 18:26:35.218324 rtk0 @120:4 b 146.70-85=
-177.reverse.theplanet.com[70.85.177.146],45846 -> pcp02406082pcs.gnscrp01.=
va.comcast.

How do I get rid of bootps -> 255.255.255.255,bootpc PR udp len 20 371 IN b=
roadcast ??



Thanks for any feedback
Todd

--=20
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