I haven't looked at PPTP in some time but I doubt that Microsoft has
changed much. Although Microsoft has fixed some of the PPTP security
holes, it hasn't addressed all the protocol's vulnerabilities. All
PPTP control operations, such as connection setup is done in
clear-text in the control channel (without authentication). This
design flaw leaves PPTP wide open to DoS attacks and provides hackers
with the opportunity to gather some valuable information from this
unencrypted and unauthenticated control channel.
Can anyone recommend a secure VPN protocol then?? i was alway under
the influence PPTP and L2TP where the industry standards for vpn???
Andrew Fraser.
-----Original Message-----
From: Paul Emerson [mailto:paul@;gta.com]
Sent: Tuesday, 12 November 2002 11:23 AM
To: [EMAIL PROTECTED]
Subject: Re: [gb-users] PPTP support
GTA's firewalls support PPTP, that is to say allow it to work through
the firewall. However the firewall doesn't directly support PPTP.
The encryption in PPTP isn't that robust, nor is PPTP that safe.
The firewall does have the full IETF full strength encryption
algorithms (DES, 3DES, AES, Blowfish, Twofish, CAST128) as part of
the IPSec VPN facility.
Paul
Hello,
A question on PPTP support.
Are any of the GTA products able to encrypt using
PPTP?
cheers,
adrian
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