nanog mailing list archives

Re: sniffer/promisc detector


From: haesu () towardex com
Date: Tue, 20 Jan 2004 13:59:07 -0500


PS. Sniffer... there are not any way to detect sniffer in the non-switched
network, and there is not much use for sniffer in switched network, if this
network is configured properly and is watched for the unusial events.

        depends on brand and model of switch

        $ portinstall dsniff
        $ man macof

-J (and yes, the thread topic is about ways for _watching_ "the unusual events" aka sniffing)



The real smart ones - professionals - won't attack unless there's a
chance
of a serious payback.  This excludes most businesses, and makes anything
but a well-known script-based attack a very remote possibility.

that's just not so.  ask me about it in person and i might tell you
stories.

For most other people a trivial packet-filtering firewall, lack of
Windoze, and a switch instead of a hub will do just fine.

this part, i agree with.
-- 
Paul Vixie

-- 
James Jun (formerly Haesu)
TowardEX Technologies, Inc.
1740 Massachusetts Ave.
Boxborough, MA 01719
Consulting, IPv4 & IPv6 colocation, web hosting, network design & implementation
http://www.towardex.com  | james () towardex com
Cell: (978)394-2867      | Office: (978)263-3399 Ext. 170
Fax: (978)263-0033       | AIM: GigabitEthernet0
NOC: http://www.twdx.net | POC: HAESU-ARIN, HDJ1-6BONE


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