Re: netstat makes a Firewall redundant?

From: Bill Crocker (wcrocker007@comcast.net)
Date: 12/27/02


From: "Bill Crocker" <wcrocker007@comcast.net>
Date: Fri, 27 Dec 2002 10:30:15 -0500

Netstat will show what's connected, but it won't prevent anything from
connecting.

Bill Crocker

<dbc@dbc.dbc> wrote in message news:3E0C6B47.4F2420A1@dbc.dbc...
> Windows95A, 56K modem, single standalone home use.
>
> When I connect to the net via dial-up modem and do "netstat -a" in DOS
> I see no output (other than 2 lines of 127.0.0 which is safe). If I
> connect to www.microsoft.com I EXPECT to see that line appearing. So if
> all connections are "as expected" I'm safe? Doing netstat regularly is
> a firewall still then necessary? "netstat [interval]" executes it so
> many seconds.
>
> If the IP address under "Local Address" is my ISP then I'm not being
> hacked?
>
> PS The fact I only see 2 lines when I connect is proof I have ALL ports
> closed (via following instructions at www.grc.com) or just removed the
> NetBIOS/NetBEUI thingy?
>
> http://grc.com/su-bondage.htm
>
> "nbtstat -n" gives "Failed to access NBT driver 1" is this good?
>
> "If you are using the very first release of Windows 95 (build 950) your
> TCP/IP Properties dialog will NOT have a NetBIOS tab! Nor will you be
> able to close port 139 by unbinding all Microsoft services! I waited
> until now to mention this since unbinding unneeded services is still
> what you want to do for security. If you want to close port 139, you
> can either rename the file "c:\windows\system\vnbt.386" to something
> else"
>
> BTW, can someone list useful commands e.g. netstat, nbtstat, arp.
> What exactly is arp for?



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