Security Basics mailing list archives

Re: VALN hopping


From: Kenton Smith <listsks () yahoo ca>
Date: Thu, 29 Sep 2005 12:01:46 -0400 (EDT)

It's my view that VLAN's were never intended to be
used as a security measure, rather they're for traffic
isolation. A byproduct of this is that it is more
difficult to access the traffic on the "other"
network. Unless you're going to have a firewall or
IDS/IPS between the two networks it's pretty trivial
for someone with much knowlegde to get from one VLAN
to another. As another level of a defense in depth
strategy a VLAN is great but it shouldn't really be
considered a way to secure traffic or hosts.

Kenton

--- josh () tstc edu wrote:

WWe are having a heated discussion about using
VLAN's as a type of DMZ, so 
I am asking the experts.  I prsonally like to see
physical isolation; 
however, our network person doesn't feel there is a
threat of VLAN 
hopping.  Please let me know your opinions.

Thank you,




        

        
                
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