Date: Sat, 26 Dec 2009 16:24:10 -0500 From: Joe Marcus Clarke <marcus@FreeBSD.org> To: Luigi Rizzo <rizzo@iet.unipi.it> Cc: luigi@FreeBSD.org, FreeBSD Current <freebsd-current@FreeBSD.org> Subject: Re: NAT broken in -CURRENT Message-ID: <1261862650.1555.28.camel@shumai.marcuscom.com> In-Reply-To: <20091226212104.GA10498@onelab2.iet.unipi.it> References: <1261859138.1555.26.camel@shumai.marcuscom.com> <20091226212104.GA10498@onelab2.iet.unipi.it>
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--=-HQjnCQwWbjiTOqHYuCF4 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable On Sat, 2009-12-26 at 22:21 +0100, Luigi Rizzo wrote: > On Sat, Dec 26, 2009 at 03:25:38PM -0500, Joe Marcus Clarke wrote: > ... > > I updated my -CURRENT box yesterday. After a reboot, NAT no longer > > works. That is, if I have natd running with ipfw diverting packets to > > it, the box is a big black hole. No packets leave. I do see all > ... > > I have a feeling the new ipfw code merged ~ 11 days ago is the cause of > > the problem. Thinking that perhaps the new modularity is causing this > > problem, I also added the following two options to my kernel: > >=20 > > options IPFIREWALL_NAT > > options LIBALIAS > >=20 > > They did not help. I have not tried using a purely modular ipfw/NAT > > combination, but I will attempt that later today. I didn't see anythin= g > > obvious in UPDATING. Any suggestions, or any recommendations for > > specific troubleshooting data to capture? Thanks. >=20 > the changes were not expected to affect configuration or operation > so clearly i must have broken something in the reinjection process. > If you have a chance of looking at the ipfw counters (to see whether > packets are reinjected and where they end up) that would be helpful. > I'll try to run some tests here tomorrow or more likely on monday. As I recall, the divert line (rule 50) had a huge counter value (even after a reboot), but the other rule (i.e. the permit any any rule) had very few packets. I will gather some more concrete numbers later today. Thanks for looking into it. Joe --=20 Joe Marcus Clarke FreeBSD GNOME Team :: gnome@FreeBSD.org FreeNode / #freebsd-gnome http://www.FreeBSD.org/gnome --=-HQjnCQwWbjiTOqHYuCF4 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (FreeBSD) iEYEABECAAYFAks2fvkACgkQb2iPiv4Uz4dv9wCePaLx1quhoaRuUGLZ1W66cC9u gCoAn096Iy5J30Y/43rzqAEVZ03hS0y8 =Nu+Y -----END PGP SIGNATURE----- --=-HQjnCQwWbjiTOqHYuCF4--
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