• Subject: Re: DSL Firewall Question
  • From: "Nathan M. Andelin" <nathanma@xxxxxxxxx>
  • Date: Thu, 11 Jan 2001 21:53:59 -0700

<snip from John Taylor>
Here are the answers to your question about why you should run a personal
firewall:

https://grc.com/x/ne.dll?bh0bkyd2
<end snip>

John, thanks for the tip.  The server at the above site correctly detected
the IP address of my IDSL router, and the router's open TELNET port.  If
anyone has not yet disabled their router's TELNET server, or at least
changed the default password, then NOW is a good time to do so.

My IDSL router uses NAT (network address translation) to shield the private
IP addresses I use internally from the internet.  It also has an option to
block NETBIOS.  Since I do block NETBIOS at the router level, the utility at
the above site considered my network more secure than most.  But my question
is how much firewall is good enough.  For example, I was impressed with the
demo at www.sonicwall.com, but unsure of whether I would benefit from the
features.



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