Date: Mon, 13 Sep 1999 11:11:45 -0700 From: elazich@AlaskaAir.com To: ru@ucb.crimea.ua Cc: freebsd-questions@FreeBSD.ORG Subject: Re: IPFW & NATD Message-ID: <msg1220105.thr-894a72.4c526e@alaskaair.com> References: <msg1219643.thr-894a72.4c526e@alaskaair.com> <19990913210504.D88685@relay.ucb.crimea.ua>
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Here is a copy of netstat -rn output, thanks for your help. >capricorn# netstat -rn >Routing tables >Internet: >Destination Gateway Flags Refs Use Netif >Expire >default 207.149.134.129 UGSc 48 65116 lnc1 >10/24 link#1 UC 0 0 vx0 >10.0.0.1 0:a0:24:bd:f8:af UHLW 0 10 lo0 >10.0.0.3 0:0:1b:4a:9e:35 UHLS 0 28 vx0 >10.0.0.4 0:0:c:3e:1f:d1 UHLW 0 18 vx0 >1106 >127.0.0.1 127.0.0.1 UH 0 24 lo0 >207.149.134.128/27 link#2 UC 0 0 lnc1 >207.149.134.129 0:0:c:6a:78:c UHLW 47 0 lnc1 > 587 >207.149.134.143 0:80:29:68:52:c4 UHLW 1 467 lo0 >capricorn# Eli ru@ucb.crimea.ua writes: >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 >Received: from aag.alaskaair.com (aag.alaskaair.com [159.49.42.2]) by >asnasta.alaskaair.com with SMTP id MSGIETZJ; Mon, 13 Sep 1999 18:09:51 >GMT >Received: from relay.ucb.crimea.UA ([212.110.138.1]) by >aag.alaskaair.com via smtpd (for asnasta.alaskaair.com [159.49.42.21]) >with SMTP; 13 Sep 1999 18:08:59 UT >Received: (from ru@localhost) by relay.ucb.crimea.ua (8.9.3/8.9.3/UCB) >id VAA95177; Mon, 13 Sep 1999 21:05:04 +0300 (EEST) (envelope-from ru) >Message-ID: <19990913210504.D88685@relay.ucb.crimea.ua> >References: <msg1219643.thr-894a72.4c526e@alaskaair.com> To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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