Date: Wed, 28 Apr 2010 09:50:22 -0700 From: Chuck Swiger <cswiger@mac.com> To: freebsd-questions@freebsd.org Subject: Re: Unknown IPFW log message Message-ID: <D75AEE3D-1D1F-4093-BE90-56FFB8EB7F42@mac.com> In-Reply-To: <20100428123425.706d6e51@scorpio.seibercom.net> References: <20100428123425.706d6e51@scorpio.seibercom.net>
next in thread | previous in thread | raw e-mail | index | archive | help
On Apr 28, 2010, at 9:34 AM, Jerry wrote: > 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. It's coming from /usr/src/sys/netinet/ip_fw2.c around line 1000; "P:2" indicates the packet was using IP protocol 2, aka IPPROTO_IGMP. IGMP is most commonly used for streaming multimedia, some games, and I even think some types VPN connections like to use it.... Regards, -- -Chuck
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?D75AEE3D-1D1F-4093-BE90-56FFB8EB7F42>