Wireshark mailing list archives

Re: One NIC on public side


From: "mike () grounded net" <mike () grounded net>
Date: Thu, 13 May 2010 18:48:43 -0500

I'm too quick to send :). 
I do see it in the installed programs list.

On Thu, 13 May 2010 16:32:50 -0700, Gianluca Varenni wrote:
 Did you install WinPcap? WinPcap must be installed in order to capture. Do
 
 the NICs get listed in wireshark?
 
 GV
 
 --------------------------------------------------
 From: <mike () grounded net>
 Sent: Thursday, May 13, 2010 4:30 PM
 To: "wireshark-users" <wireshark-users () wireshark org>
 Subject: Re: [Wireshark-users] One NIC on public side
 
 Ok, just noticed that on new system, after installing wireshark, there are
 no capture protocols on either nic. Guess that's a lead.
 
 On Thu, 13 May 2010 11:43:23 -0500, mike () grounded net wrote:
 Just wanting to understand what I'm doing. Always good to learn rather
 than
 simply being told :).
 
 MS client gets disabled if you disable TCP/IP. QoS can be disabled as
 well.
 The network monitors can be left on.
 
 Because it is a netbios based service, which rides on tcp/ip?
 
 You are disabling TCP/IP on the public NIC. The LAN NIC will have its
 own
 IP
 address, the public one will not. As far as "safely connect" is
 concerned,
 it depends on what you mean by "safely".
 
 Yes, the server has two NICs. I have one connected on the LAN side for
 server admin, etc, the other is connected to a hub which has the WAN
 connections coming into it, just before the firewall. I want to see what
 hits us before the firewall does anything with it. It helps a lot when
 trying to figure out various problems.
 
 What do I mean by safely? Meaning that public cannot gain access to the
 server in some way. I mean, the setup bypasses the firewall so sure
 don't
 want someone being able to gain access into the lan somehow.
 
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