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ICS and Cable Modem

W

whosOnFirst

Junior Member
I've read JackMDS message on March 5th, I have a network at home using Cable/DSl router(Linksys), but my cable modem is only one way (Telco return), it has an analog modem next to it for upload.
I have tried many times to share the connection, but no cigar.
Sill have both NICs in my desktop. Does anyone know if any solution to my problem?
When I tried it before, only the first pc on the network that connected to internet would have access.:frown:
I even tried ViComSoft (softrouter) and they told me it wouldn't work (or didn't wanted to provid tech support for trial version).

I'm thinking maybe my router is not setup correcly.
 
So let me get this straight. You have two machines, the first machine has 2 NICs and is your DHCP, the other is behind that? I'm still somewhat of a networking novice, but i think you may need either a hub/switch between the two machines or a cross over cable instead of patch.

When u set up ICS, did you define one of the NICs a static IP of 192.168.1.1 and a subnet of 255.255.255.0? By default, windows machines are set to automatically look for DHCP, but you can try and set it up manually to see if that helps. Set the other machine to look to 192.168.1.1 for an IP, set that as the Gateway as well. Give that same machine an IP of 192.168.1.2 and the same subnet as the DHCP.

Make sure both machines are bound to TCP/IP and are on the same workgroup. I'm not sure that the workgroup matters, but it can't hurt.
 
No techwhore,
I have three computers, all three are hocked up to a Linksys BEFSR 41.
one of the computers (to be gateway) has two NIC cards, one to connect to Linksys and one to connect to cable modem.
 
Oh ok, i understand the situation a little bit better now.

My question to you is why are you setting up two filters? Your machine with two NICs (gateway) doesn't need to be. All that stuff is built into your linksys router. If you connected the cable modem to the router and then stemmed everything from there you'd be ok...

This CAN work the way you have it setup, but it would require some port forwarding. If you're using the PC gateway as your first firewall, then you'll need to allow for port forwarding on the linksys router so everything else can access the internet. I'm not exactly sure what port(s) you'd need to allow though.

Honestly, i don't see the point of having two firewalls in a row like that, you're better off using one or the other and then setup software filters such as Zone Alarm for "layered" security. That way the gateway/hardware firewall will block all non-allowed ports and Zone Alarm will restrict all non-allowed outgoing transfers.
 
Actualy, I have Zone Alarm Pro set up, and would be very happy to get rid of a NIC card, but I need to make sure it's going to work first.
I'm going to try it again mext week end.
I'll get back to you with results.
too busy this week (taking SCJP exam next week).

thanks tech
 
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