Date: Wed, 28 Apr 2010 11:50:49 -0500 From: Dan Nelson <dnelson@allantgroup.com> To: freebsd-questions@freebsd.org Subject: Re: Unknown IPFW log message Message-ID: <20100428165049.GH14572@dan.emsphone.com> In-Reply-To: <20100428123425.706d6e51@scorpio.seibercom.net> References: <20100428123425.706d6e51@scorpio.seibercom.net>
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In the last episode (Apr 28), Jerry said: > In the security.log, I have been noticing the following: > > Apr 28 12:04:20 scorpio kernel: ipfw: 4400 Deny P:2 192.168.1.1 224.0.0.1 in via nfe0 > > I have not been able to document what the "P:2" stands for. Neither, have > I been able to find out if I should continue to allow the block to > continue. Googling has turned up a few posts that seem to indicate that I > should allow it. Since "P:2" is where either "tcp" or "udp" would be, it's probably the protocol number. /etc/protocols says igmp 2 IGMP # internet group management protocol I don't know what igmp is used for, though. -- Dan Nelson dnelson@allantgroup.com
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