Date: Mon, 26 Jan 2015 16:24:46 -0500 From: John Baldwin <jhb@freebsd.org> To: Olivier =?ISO-8859-1?Q?Cochard=2DLabb=E9?= <olivier@cochard.me> Cc: svn-src-head <svn-src-head@freebsd.org>, svn-src-all <svn-src-all@freebsd.org>, src-committers <src-committers@freebsd.org> Subject: Re: svn commit: r277714 - head/sbin/ipfw Message-ID: <2669297.0BvAQ4C19U@ralph.baldwin.cx> In-Reply-To: <CA%2Bq%2BTcr1fNz70Y6%2B0NeWDLx2Bszk1B0M%2B4_Cv2uMayBsNc6pRQ@mail.gmail.com> References: <201501252037.t0PKbXNW070662@svn.freebsd.org> <CA%2Bq%2BTcr1fNz70Y6%2B0NeWDLx2Bszk1B0M%2B4_Cv2uMayBsNc6pRQ@mail.gmail.com>
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On Monday, January 26, 2015 09:34:39 PM Olivier Cochard-Labb=E9 wrote: > On Sun, Jan 25, 2015 at 9:37 PM, John Baldwin <jhb@freebsd.org> wrote= : > > Author: jhb > > Date: Sun Jan 25 20:37:32 2015 > > New Revision: 277714 > > URL: https://svnweb.freebsd.org/changeset/base/277714 > >=20 > > Log: > > natd(8) will work with an unconfigured interface and effectively = not do > > anything until the interface is assigned an address. This fixes > > ipfw_nat to do the same by using an IP of INADDR_ANY instead of > > aborting the nat setup if the requested interface is not yet conf= igured. >=20 > Hi, >=20 > I've still a problem with ipfw_nat and unconfigured interface: > On my setup I'm using ipfw with NAT rules using an OpenVPN tunnel int= erface > as source address for NATting. >=20 > During the machine startup, ipfw is started before openvpn (hopefully= ) and > its configuration mention do to NAT using tun0 IP address. > Then OpenVPN start and create a tun0 and set an IP address on it. > =3D> But no unicast traffic is allowed on this tun0 interface until I= restart > ipfw. >=20 > If I correctly understand the log of this commit: This behavior shoul= d be > fixed by this commit, right ? It might. What happened for me is that I was using nat over wlan0 for = VM's on my laptop to reach the outside world, but wlan0 doesn't get an IP un= til later in the boot after it associates. As a result, wlan0 wasn't passi= ng any IP traffic until this fix (or if I reloaded ipfw after wlan0 was config= ured). --=20 John Baldwin
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