Hi,
At this moment I'm configuring a firewall for my little test network (it is
for educational reasons). The services I like to run are www and mail.
1. When reading abount packet filtering and proxies, everybody says that a
proxy gives more security than (stateful) packet filtering. Can you explain
why?
2. When testing my server by online port scanners, I don't see any
difference when I turn on or off the firewall. Is it always necessary to use
a firewall, when only using www (outbound; no webserver in network)? (I'm
using a Windows workstation and do www via a Novell NetWare 5 server,
running NAT). In that situation (only outbound www), there are no open
ports, aren't they? Then it's impossible to connect to any port on my
Novell-machine?
Thanks in advance,
Aza Goudriaan,
student
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