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Firewall config with home network

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by malikjaru

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I have two machines, one XP home edition with Kerio firewall 4 and the other windows 98SE with Kerio firewall 2.0 and I finally got them to see each other on the network. Concerned that I may have allowed more than just computers in though. On XP machine, I added ip/mask into trusted area and allowed for Microsoft Printer and file sharing to be allowed in/out(internet) and in/out(trusted). Should I have done that? I am not sure if internet should ever be permitted in for file sharing. On 98SE machine, firewall asks for protocol which included UDP, TCP, TCP and UDP, ICMP, and other. Can anyone tell me as well which of these should be utilized and whether it should be incoming/outgoing? Just want to be sure that I will not put myself in harm's way.

4 replies

by curacao_dejavu

I think basicly what you want to accomplish is to have the 2 machines in a network, and both need to access the internet, share each other resources etc but protected by a firewall from the internet.

In that case I would suggest a better approach.

follow this tip:
http://www.pcnineoneone.com/howto/hmnetwk1.html

Use a hardware firewall (option 3)that connect to the internet. That will protect you from outside intruders.
The pc's will go through the firewall to the internet.
Since the pc's are in you own network and thus protected you don't need to be concerned with which protocols should be open etc etc.
of course normal security practises keep valid, update antivirus, update windows an IE , update office etc etc .

I have used dlink and linksys firewalls with good results.

Leopold

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