Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!pt.cs.cmu.edu!vi.ri.cmu.edu!nash From: nash@vi.ri.cmu.edu (Richard Nash) Newsgroups: comp.protocols.tcp-ip.ibmpc Subject: Help using ka9q to protect sources Message-ID: <10560@pt.cs.cmu.edu> Date: 25 Sep 90 12:15:02 GMT Organization: Carnegie-Mellon University, CS/RI Lines: 30 Distribution: usa Organization: Carnegie-Mellon University, CS/RI My company has just recieved our connection to the internet. We are very concerned about securing our business information and source code from outside reading and it is felt that the best way to do this is to seperate ourselves into two nets. Secure and open... So I have two questions... 1> Is it possible to further subclass a Class-C address. Can I have my netmask be 255.255.255.192 so that I have 2 bits of network info and 6 bits to specify the hosts? If so, I do I configure the ka9q net.exe program to route between my internal networks? 2> Can I have the route between the secure and open networks simply disallow any traffic except relatively inoccuous things like mail? Does the ka9q package allow me to do this? I have set up the ka9q package and got it to accept both cards through the attach command. I can ftp from the router PC to either side of the network, but I can't seem to get through the router. From one side to the other. Can anyone help? Rich Nash nash@vi.ri.cmu.edu -- Richard V. Nash nash@vi.ri.cmu.edu