Ethereal-users: Re: [Ethereal-users] Blocking Ethereal

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From: Jens Link <jenslink@xxxxxxx>
Date: 04 Oct 2005 15:52:36 +0200
"Anderson J. Hanchett" <res1ip8p@xxxxxxxxxxx> writes:

> Hi. 
> I'd like to know if there is any way to prevent ethereal users on my
> LAN from seeing/monitoring the files on my computer and my internet
> activity. 

Sure:

1. Use encryption (VPN)

2. Make sure there are only trusted computers in the LAN and that the
   users are working with limited rights (read: No administrator-/root-
   account for a user you don't trust).

3. Use a Switch and make sure nobody has the password to configure it
   (also check it the SNMP is turned off or the community string is
   changed).  

4. Activate port-security on the switch to prevent mac-address flooding

Jens