On NIC1 you can totally disable the TCP/IP stack. Go to the properties of
that network connection, in the list of services/protocols bound to that
NIC, uncheck TCP/IP.
This will still allow you to capture, but there won't be any protocol bound
to that NIC apart from the WinPcap driver.
Have a nice day
GV
--------------------------------------------------
From: <mike@xxxxxxxxxxxx>
Sent: Wednesday, May 12, 2010 9:18 PM
To: "wireshark-users" <wireshark-users@xxxxxxxxxxxxx>
Subject: [Wireshark-users] One NIC on public side
The server I'm using wireshark on has two NICs.
I put NIC0 on the LAN side which is how I remotely manage the server.
I put NIC1 on a hub just before the firewall so that I can see all public
traffic before it hits the firewall.
On NIC1, I do not have any IP assigned which is on my lan but have
169.254.1.2 on it.
From what I understand, the NIC goes into promiscuous mode when wireshark
and other network monitoring software fires up to use that NIC.
What I wondered about was, just now safe is it to have that NIC on the
public side?
Thanks.
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