Hi! I'm fairly new to firewalls, so I hope this isn't too dumb
a question. Any help or pointers to information would be appreciated.
I need to set up a firewall on a linux machine. The linux machine
will act as a NIS/NFS server for a lab of linux boxes. The machine
will also be a server for a mud and mud development, so I need
all of the capabilities of a standard linux box on the FW machine.
I would like to just export the NIS/NFS info to the lab, not to the
world (of course) and to not pass telnet/ftp/talk/www/etc. data
between the PCs or the WAN. The only access the lab will have with
the WAN will be by logging onto the FW machine first (same for WAN to
lab. The security of the firewall needs to be moderate, but not extreme.
I realize there are better ways of implementing this, but this is the
way I have funds allocated for *sigh*.
The FW machine will have 2 net cards. One will connect to the WAN via
a hub. All of the Lab machines will connect to a hub which in turn will
connect to the other FW net card.
Is this setup possible with enough security to keep most people on the
WAN out of the lab (and away from the NIS/NFS stuff) and the people on
the Lab off the WAN?
Thanks for your help
Mark
PS. On the security of linux topic: Linux source is fairly well
examined. However, how many people go out and look for this info?
On top of that, how many people apply / trust the patches?
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