To start, this list is here to talk about Firewalls, so your question is
not misplaced. I would suggest, however, that you might want to start
with something like http://www.altavista.digital.com/ and use a search
key like "+Windows +NT +Firewall", that will bring up about 1,000 web
pages to have a look through, just look at ones that have a vendor name
with them. Raptor, Centri, and Checkpoint all have NT versions of their
Unix counterparts. Digital has one too.
You have to understand that all of these are relatively new, and
therefore (as was pointed out already) have the potential for problems.
NT 4.0 offers packet filtering, although you may not find it flexible
enough to suit your needs. By adding Catapult, Microsoft's beta Proxy
Server, the environment certainly becomes more flexible but less
reliable (obviously beta software does not a Firewall make...).
Probably the best thing you could do at this time would be to ask
yourself what you are trying to achieve and why you feel NT is the
platform you want to run your Firewall on. Obviously many on this list
believe that no firewalling solution can be obtained if NT is included
somehow in the specification. I don't happen to agree with them, but,
then again, I wouldn't rule out buying a proprietary Firewall that I
hadn't seen the source code for, so I'm probably seen as deranged by
many of them anyway...;-]
I would suggest that anyone who discounts NT with simple, short,
answers, probably doesn't know enough about it to properly answer your
questions. That's O.k., nobody can be expert in everything. If you have
to have NT, or have a really good reason to want NT, there are many
options available. I think the person who pointed out that your lack of
NT experience, while having Unix experience, does beg the question why
you would implement NT. If you have to support it, you're in for a
pretty steep learning curve to master the eccentricities of NT Security.
Anyway, try giving us a little more background info about why you want
NT and maybe either side will be better able to state their case (Unix
...eek, quick, someone give me some broken software, I'm suffering beta