Date: Mon, 13 Sep 1999 21:05:04 +0300 From: Ruslan Ermilov <ru@ucb.crimea.ua> To: elazich@AlaskaAir.com Cc: freebsd-questions@FreeBSD.ORG Subject: Re: IPFW & NATD Message-ID: <19990913210504.D88685@relay.ucb.crimea.ua> In-Reply-To: <msg1219643.thr-894a72.4c526e@alaskaair.com>; from elazich@AlaskaAir.com on Mon, Sep 13, 1999 at 10:01:40AM -0700 References: <msg1219643.thr-894a72.4c526e@alaskaair.com>
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On Mon, Sep 13, 1999 at 10:01:40AM -0700, elazich@AlaskaAir.com wrote: > I have a FBSD box with 2 NICs (vx0 and lnc1) which I am running ipfw > and natd on. vx0 is on my internal net using a 10 block address and > lnc1 is on my external connection. I had compiled in support for IPFW > in the kernel and run natd -interface lnc1. My IPFW rules look like > this, > > capricorn# ipfw -a l > 00100 82838 9639926 divert 8668 ip from any to any via lnc1 > 00200 84517 9917180 allow ip from any to any > 65535 16 1696 deny ip from any to any > capricorn# > > Output of ifconfig -a is; > > capricorn# ifconfig -a > vx0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500 > inet 10.0.0.1 netmask 0xffffff00 broadcast 10.0.0.255 > ether 00:a0:24:bd:f8:af > netmask on this interface is set for Class C network. Is this intentional? > lnc1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500 > inet 207.149.134.143 netmask 0xffffffe0 broadcast > 207.149.134.159 > ether 00:80:29:68:52:c4 > lp0: flags=8810<POINTOPOINT,SIMPLEX,MULTICAST> mtu 1500 > tun0: flags=8010<POINTOPOINT,MULTICAST> mtu 1500 > sl0: flags=c010<POINTOPOINT,LINK2,MULTICAST> mtu 552 > ppp0: flags=8010<POINTOPOINT,MULTICAST> mtu 1500 > lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384 > inet 127.0.0.1 netmask 0xff000000 > capricorn# > > I run natd -interface lnc1, this was all working fine for quite some > time but now I cannot seem to even ping anything on my loal network > from the firewall box. Any other machine on my 10 net can talk to each > other (but they cannot reach the firewall), and what's even starnger is > that when I run tcpdump on my firewall it picks up traffic on the 10 > network. Does anyone know what is going on here and how I can get > myself back to functional status? > What does `netstat -rn' produce? -- Ruslan Ermilov Sysadmin and DBA of the ru@ucb.crimea.ua United Commercial Bank, ru@FreeBSD.org FreeBSD committer, +380.652.247.647 Simferopol, Ukraine http://www.FreeBSD.org The Power To Serve http://www.oracle.com Enabling The Information Age To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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