Date: Sat, 24 Sep 2011 13:10:03 GMT From: Ryan Steinmetz <zi@FreeBSD.org> To: freebsd-ipfw@FreeBSD.org Subject: Re: bin/104921: [patch] ipfw(8) sometimes treats ipv6 input as ipv4 (another variation on PR 91245) Message-ID: <201109241310.p8ODA3b5066389@freefall.freebsd.org>
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The following reply was made to PR bin/104921; it has been noted by GNATS. From: Ryan Steinmetz <zi@FreeBSD.org> To: bug-followup@FreeBSD.org Cc: Subject: Re: bin/104921: [patch] ipfw(8) sometimes treats ipv6 input as ipv4 (another variation on PR 91245) Date: Sat, 24 Sep 2011 08:42:20 -0400 I can confirm this issue also exists on 8.2 as of today. It appears as if ipfw is incorrectly assuming that an IPv6 address is an invalid IPv4 address with a mask. For example: 2001:1:2:3::4,2001:1:2:3::5 is treated as an IPv4 address of 2001 with a mask of 1:2:3::4 (as if it were specified as 1.2.3.4:255.255.255.0). Specifying the IPv6 address without the comma results in a successful rule being created. -- Ryan Steinmetz PGP: EF36 D45A 5CA9 28B1 A550 18CD A43C D111 7AD7 FAF2
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