Skip site navigation (1)Skip section navigation (2)
Date:      Thu, 20 Feb 2003 22:11:40 +0100
From:      Maxime Henrion <mux@freebsd.org>
To:        "Nick H. -- Technical Support Engineer" <nickh@supportteam.net>
Cc:        freebsd-current@FreeBSD.ORG
Subject:   Re: Ethernet (xl) will not transmit or receive
Message-ID:  <20030220211140.GO60813@elvis.mu.org>
In-Reply-To: <002001c2d91e$fcb546a0$0402a8c0@dotnet>
References:  <20030220161905.BBA6D5D04@ptavv.es.net> <Pine.NEB.3.96L.1030220113026.8683A-100000@fledge.watson.org> <20030220184417.GA3743@physik.TU-Berlin.DE> <002001c2d91e$fcb546a0$0402a8c0@dotnet>

next in thread | previous in thread | raw e-mail | index | archive | help
Nick H. -- Technical Support Engineer wrote:
> Ive run into the exact same problem on about 8 machines now, all running
> different network cards.  The network will just simply not work if I have
> IPFILTER built into the kernel.  On some of the machines, I started getting
> "No route to host".  This has happened on the following network cards:
> 
> 3COM 3C905C
> 3COM 3C450 *yes, 450*
> Linksys LNE100TX v4
> Linksys LNE100TX v5
> NETGEAR Fast 100
> Intel Pro 10/100+
> Intel Pro 10/100/1000 (gigabit over copper)
> 
> Im going to assume that since it's not on a specific card, it's not
> something with the drivers for that card. The only thing I could do was
> deinstall IPFILTER.  I tried wiping the ARP tables (showed incomplete arp
> entries for all hosts) and even redoing the routing table.  The only thing
> that I could get that would fix it was removing ipfiter.  I have another
> 5.0-CURRENT machine (FreeBSD 5.0-CURRENT #2: Wed Jan 29 17:55:34 CST 2003
> root@edge:/usr/obj/usr/src/sys/edge  i386) that is NOT having this problem.
> It's something done fairly recently that has caused this.  Im going to go
> through and see if I cant find some differences between the source for that
> version and this one: 5.0-CURRENT #1: Wed Feb 19 10:28:49 GMT 2003
> root@ender:/usr/obj/usr/src/sys/ender  i386
> 
> The second one (last one I gave uname for) is the most recent to have the
> problems. As you can see, it's source from earlier this week.  There's no
> errors on dmesg nor are there any errors anywhere.  It just seems that if
> IPFILTER is enabled, the network devices are completely inoperable.   I know
> you're going to ask how I have the rules setup, and I have tried many
> variations.  The first I tried is a DEFAULT_BLOCK using a working ruleset
> from a 4.7-R-p3 machine.  After that failed, I tried doing a default allow,
> and it still did it.  The only feasible way to get the machine online with
> that source is to rip out IPFILTER.   Anyone having similiar issues?
> 
> Any comments/suggestions would be more than welcome, as having boxes on the
> network with no firewall is just asking for trouble ;)

Are you sure the ipfilter version of your kernel is in sync with your
userland ipfilter utility?  ipf -V will show you both versions.

Cheers,
Maxime

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-current" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20030220211140.GO60813>