Re: Is this risky business?
You're looking for the NetBIOS stuff, ports 137, 138, and 139 (tcp and
udp). I've got a bunch of this stuff rolling around inside the internal
network, but have it blocked both coming and going on the firewall.
However, you frighten me in asking which ports to block. By default you
should block ALL ports and then allow in only the ones you decide are
You'll find that a "default-deny" stance is much more secure and easily
maintainable than forever chasing down ports to deny.
At 01:26 PM 8/9/2001 -0500, Jor-el wrote:
My printer is attached to my Win95 machine which is behind my
(Potato) masqueraded firewall. I was thinking of enabling printer sharing
on Win95 and thus allowing me to print from my Linux machine. This, is a
well-known security hole for Win95, of course, so the question is - if I
block the port on my firewall that Win95 listems to for this service,
would that be good enough? And anyone have an idea as to which port this
would be anyway?
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Eric N. Valor
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