I have to setup a way to control Internet access to eliminate/reduce abuse, and all the side effects like bugs and worms.
The entire system is set up in a virtual community, and I have NO access to router(s)
all are on a fixed IP, xxx.xxx.xxx.aaa
we have a SCSI server on UNIX. ip=1
we have axel tcp/ip terminals, esprit400 dumb terminals, port servers, and dot matrix printers rs/232.
we also have quite a few PC's, all on XP pro, mixed into the lot. They work with term emulators for the Unix server, as well as accessing internet for catalogs, email, and researches.
what I want to do, is set up a 2nd network adapter on a PC, with the original adapter remaining in the network, and the second card to a smart-switch where I want to connect (move) all the PC's, putting the pc between the other network pc's and the rest of the network, including Internet access.
then, with something like ccproxy, limit/filter Internet access, while giving access to the rest of the network xxx.xxx.xxx.aaa.
on a test pc, I have set this up, and as soon as I activate the new card, all network is lost. It comes back when I disable the new card.
I have the ip 5 on the net adapter, and 6 for the new one to the switch. (I have ip 9 on a pc to the same switch to test)
If i bridge the adapters, anyone can bypass the proxy.
I lose it all with both adapters connected. I am trying to figure a way to take from adaptor B, monitor with ccproxy, and pass on through adaptor A.
i am now royally stuck