From runkle@u.washington.edu Wed Mar 22 07:43:15 2000 Received: from jason03.u.washington.edu (root@jason03.u.washington.edu [140.142.77.10]) by lists.u.washington.edu (8.9.3+UW99.09/8.9.3+UW99.09) with ESMTP id HAA37014 for ; Wed, 22 Mar 2000 07:43:15 -0800 Received: from mead1.u.washington.edu (runkle@mead1.u.washington.edu [140.142.12.133]) by jason03.u.washington.edu (8.9.3+UW99.09/8.9.3+UW00.01) with ESMTP id HAA13570; Wed, 22 Mar 2000 07:43:12 -0800 Received: from localhost (runkle@localhost) by mead1.u.washington.edu (8.9.3+UW99.09/8.9.3+UW99.09) with ESMTP id HAA130226; Wed, 22 Mar 2000 07:43:11 -0800 Date: Wed, 22 Mar 2000 07:43:11 -0800 (PST) From: dave runkle To: UW Linux Group cc: "C. Mills" Subject: Re: new to linux In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Hello, I noticed the line: > ech0 "1" > /proc/sys/net/ipv4/ip_forward so if that's a typo in the email, disregard. Otherwise, your '0' [zero] should be an 'o' to properly spell 'echo'. You can verify if forwarding is actually happening: cat /proc/sys/net/ipv4/ip_forward to see if the '1' made it in there. Dave On Wed, 22 Mar 2000, C. Mills wrote: > I installed redhat linux 6.1 on an old p100 yesterday. I am using it as > a ip masquerade server or whatever the proper name is. Anyway, the > computer has eth0(static ip from AT&T) connecting to the internet and > eth1(192.168.0.1) connecting to the LAN. Right now there is only a WinNT > 4.0 box on the LAN. It cannot access the internet. The ip masquerade > server can, hence this email. > The ip masq box is using the gateway given by AT&T. The WinNT > (192.168.0.2) box has 192.168.0.1 the address of eth1 on ip masq box set > as its default gateway. > So far the relivent commands that I ran on the ip masq box are: > /sbin/depmod -a > /sbin/modprobe ip_masq_ftp > /sbin/modprobe ip_masq_raudio > /sbin/modprobe ip_masq_irc > ech0 "1" > /proc/sys/net/ipv4/ip_forward > /sbin/ipchains -M -S 7200 10 160 > /sbin/ipchains -P forward DENY > /sbin/ipchains -A forward -s 192.168.0.0/24 -j MASQ > # all without any reported errors # > I think the firewall part of the ip masq box is blocking information > coming into the LAN. According to the lights on the LAN hub and the cable > modem it seems like requests from WinNT box are going out. I cannot find > the file /etc/rc.d/rc.firewall or any file that looks like it contains > firewall ruleset. > So far I have been blindly following other peoples directions. Am I > making any major mistakes and how come I cannot find the file containing > the firewall ruleset? When I do find the firewall ruleset what do I do > with it? > > > -- Dave Runkle runkle@u.washington.edu HFS - Computer Services 206-616-0973 Lander L131 Campus Mail Box 355615 206-617-4360 Cellular University of Washington - 1201 NE Campus Parkway - Seattle, WA 98105 .