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Old 11-16-2002, 04:25 PM   #1
deputyjim
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Registered: Nov 2002
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MDK 9.0, Internet Connection Sharing and Shorewall...


I've been trying to get my network going for about two days straight now without success. I've read lots and lots of other help material, again and obviously without success. I have a linux box acting as a router. There's two properly configured ethernet cards aboard, eth0 and eth1. It's connected outbound to a cable modem (eth0) and internally to a laptop running WinXP. I've gone through the wizards of the Control Center (about 50 times) and I've had to reset the firewall each time to off (why can't those settings stick?) They can see each other by pinging and even in Samba (although I haven't figured how to log into the WinXP machine yet - but I'll worry about that later. (Side note: I installed MDK earlier this week and I had ICS running -- somehow). I then installed RH just to see the difference. When I couldn't get ICS working on RH, I thought I'd come back to MDK, but then failure.

The problems is, no traffic (other than pinging the the linux host) will get to the outside world. I suspect it has something to do with the firewall (shorewall), which I tried to disable, but it takes ICS along with it. So I modified the shorewall rules file per this forum, but still no-go. Here's ifconfig and route data:

eth0 Link encap:Ethernet HWaddr
(MAC Addr)
inet addr:68.#.#.# Bcast:68.#.#.# Mask:255.255.248.0
UP BROADCAST NOTRAILERS RUNNING MULTICAST MTU:1500 Metric:1
RX packets:62833 errors:0 dropped:0 overruns:0 frame:0
TX packets:29952 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:100
RX bytes:79460637 (75.7 Mb) TX bytes:2275149 (2.1 Mb)
Interrupt:9 Base address:0x1800

eth1 Link encap:Ethernet HWaddr 00:50:BF:E4:C8:F7
inet addr:192.168.1.1 Bcast:192.168.1.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:450 errors:0 dropped:0 overruns:0 frame:0
TX packets:297 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:100
RX bytes:47943 (46.8 Kb) TX bytes:74717 (72.9 Kb)
Interrupt:11 Base address:0xb400

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:401 errors:0 dropped:0 overruns:0 frame:0
TX packets:401 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:38480 (37.5 Kb) TX bytes:38480 (37.5 Kb)

192.168.1.0 * 255.255.255.0 U 0 0 0 eth1
68.#.#.# * 255.255.248.0 U 0 0 0 eth0
127.0.0.0 * 255.0.0.0 U 0 0 0 lo
default ubr02-a-rtr.how 0.0.0.0 UG 0 0 0 eth0

I really appreciate the participation of all the members here, especially the extremely knowledgeable ones. I've gotten pretty far on my own my merely lurking and learning. Thanks in advance for the help.

Jim
 
Old 11-21-2002, 03:14 PM   #2
peter_robb
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Registered: Feb 2002
Location: Szczecin, Poland
Distribution: Gentoo, Debian
Posts: 2,458

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Have a look at this http://tldp.org/HOWTO/Masquerading-S...WTO/index.html first
 
  


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