[vpn] Thoughts on VPN

Thierry Blanchard thierry_b at ifrance.com
Fri Oct 26 00:46:21 EDT 2001

After reading some articles, I want to make sure that what I think is right.

#1: VPN is based on different protocols.
#2: Using a layer 2 protocol, main protocols are either PPTP (comes from MS)
or L2TP.
#3: Because of security holes in PPTP, L2TP is better.
#4: Using a layer 3 protocol, the main protocol is IPSec.

Knowing that we can't compare L2TP and IPSec (because they reside on
different layer), how more secure is IPSec ?


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