From owner-freebsd-questions Wed Dec 1 18:22:32 1999 Delivered-To: freebsd-questions@freebsd.org Received: from hpdmraaa.compuserve.com (dh-img-rel-1.compuserve.com [149.174.206.132]) by hub.freebsd.org (Postfix) with ESMTP id 9C43E14E2E for ; Wed, 1 Dec 1999 18:22:24 -0800 (PST) (envelope-from nat@unixlover.com) Received: (from mailgate@localhost) by hpdmraaa.compuserve.com (8.8.8/8.8.8/HP-REL-1.2) id VAA24890 for freebsd-questions@freebsd.org; Wed, 1 Dec 1999 21:22:05 -0500 (EST) Received: from vedika (pool0828.cvx5-bradley.dialup.earthlink.net [209.178.155.63]) by hpdmraaa.compuserve.com (8.8.8/8.8.8/HP-REL-1.2) with SMTP id VAA24868; Wed, 1 Dec 1999 21:22:02 -0500 (EST) Message-ID: <005101bf3c6b$d1345be0$2d96183f@vedika> From: "nat" To: "Nathaniel Schein" , References: Subject: Re: natd not working properly. firewall problem? Date: Wed, 1 Dec 1999 18:20:31 -0800 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2314.1300 X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2314.1300 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG I have pseudo-device bpfilter 5 when i change it to 4 and compile the kernel.. then restart the cable modem does not work on the local machine. > Did you compile the kernel with: > > options IPFIREWALL #firewall > options IPDIVERT #divert sockets > pseudo-device bpfilter 4 #Berkeley packet filter > > Also make sure you have proper connectivity with both networks and add > > firewall_type="OPEN" > > to the /etc/rc.conf > > -----Original Message----- > From: owner-freebsd-questions@FreeBSD.ORG > [mailto:owner-freebsd-questions@FreeBSD.ORG]On Behalf Of nat > Sent: Wednesday, December 01, 1999 5:05 PM > To: Nathaniel Schein; freebsd-questions@FreeBSD.ORG > Subject: Re: natd not working properly. firewall problem? > > > i did that and it is still not working. please help I have a dead > line to set up this network. > > > Your natd interface should be "de1". > -----Original Message----- > From: owner-freebsd-questions@FreeBSD.ORG > [mailto:owner-freebsd-questions@FreeBSD.ORG]On Behalf Of nat > Sent: Wednesday, December 01, 1999 4:31 PM > To: freebsd-questions@FreeBSD.ORG > Subject: natd not working properly. firewall problem? > > > I have set up natd by the manual. I have a cable modem and two > nics. what i am trying to do is share the internet with other users > on my LAN. The cable modem is currently setup on device de1 > properly and works for the "local" user. > > Now, throgh the clients I can only contact the network card (de1) > that the cable modem is connected to. I cannot contact the outside > network. > > The de0 interface is the one on the internal network and is set to > 192.168.0.1. All of the clients have this as the default router. > > these are my firewall settings (please tell me which ones are wrong): > #Flush out the list before we begin. > $fwcmd -f flush > > # divert > $fwcmd add 1 divert natd from any to any via de0 > > # allow by default > $fwcmd add 65000 allow all from any to any > > # 50-99: trusted hosts > $fwcmd add 50 allow ip from any to 207.171.202.198:255.255.255.224 > $fwcmd add 51 allow ip from 207.171.202.198:255.255.255.224 to any > $fwcmd add 52 allow ip from 24.1.183.147 to any > $fwcmd add 53 allow ip from any to 24.1.183.147 > > # 1000-1999: DoS/hack prevention > $fwcmd add 1000 deny tcp from any to any 1080 > $fwcmd add 1001 deny tcp from any to any 12345 > $fwcmd add 1002 deny tcp from any to any 31337 > $fwcmd add 1003 deny tcp from any to any 111 > $fwcmd add 1004 deny tcp from any to any 87 > $fwcmd add 1005 deny tcp from any to any 2049 > $fwcmd add 1006 deny tcp from any to any 512 > $fwcmd add 1007 deny tcp from any to any 513 > $fwcmd add 1008 deny tcp from any to any 514 > $fwcmd add 1009 deny tcp from any to any 515 > $fwcmd add 1010 deny tcp from any to any 540 > > *this is in the /etc/rc.firewall file. > > This is what i have set up for rc.conf: > > firewall_enable="YES" > natd_enable="YES" > natd_interface="de0" > named_enable="YES" > gateway_enable="YES" > > this is the output of the ifconfig -a command: > > de0: flags=8843 mtu 1500 > inet 192.168.0.1 netmask 0xffffff00 broadcast 192.168.0.255 > ether 00:40:05:a2:c9:4b > media: autoselect (10baseT/UTP) status: active > supported media: autoselect 100baseTX 100baseTX > 10baseT/UTP 10baseT/UTP > de1: flags=8843 mtu 1500 > inet 24.1.177.140 netmask 0xffffff00 broadcast 24.1.177.255 > ether 00:40:05:a2:c9:49 > media: autoselect (10baseT/UTP) status: active > supported media: autoselect 100baseTX 100baseTX > 10baseT/UTP 10baseT/UTP > lp0: flags=8810 mtu 1500 > tun0: flags=8010 mtu 1500 > sl0: flags=c010 mtu 552 > ppp0: flags=8010 mtu 1500 > lo0: flags=8049 mtu 16384 > inet 127.0.0.1 netmask 0xff000000 > > This is the output of the netstat -rn command: > > Internet: > Destination Gateway Flags Refs Use Netif > Expire > default 24.1.177.1 UGSc 14 55 de0 > 24.1.177/24 link#1 UC 0 0 de0 > 24.1.177.1 link#1 UHLW 14 0 de0 > 127.0.0.1 127.0.0.1 UH 1 4 lo0 > 192.168 link#2 UC 0 0 de1 > 192.168.0.3 0:40:5:a3:38:a4 UHLW 2 76 de1 1183 > > I think that is how you set it up. > > There is also one last strange thing that I think might be the problem. > Right before it prints out gateway=yes it says tcpextensions=no. > Im not sure what that means either. > > I am using the Cox@home network so please help me if you can. > > Thank you, > > nat > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message