[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [cobalt-users] Qube3 VPN and Basic Firewall
- Subject: Re: [cobalt-users] Qube3 VPN and Basic Firewall
- From: Malcolm McLeary <mmcleary@xxxxxxx>
- Date: Sat Apr 5 00:50:01 2003
- List-id: Mailing list for users to share thoughts on Sun Cobalt products. <cobalt-users.list.cobalt.com>
Hi Santiago,
on 5/4/03 5:57 PM, Santiago Montalvan wrote:
> You need to open TCP 1723 and GRE for the IP address of the Qube3. We use
> the Remote Access VPN w/ our Qube3 and it works great.
Ok I have found a reference to GRE ...
> PPTP uses IP port 47, designed for "General Routing Encapsulation" or GRE
> packets. A common mistake in configuring firewalls for use with PPTP is to
> open port 1723 (allowing connections to be established) but fail to open port
> 47 (denying actual data from passing through the tunnel). Some operating
> systems include "PPTP ping" utiliies (pptpsrv and pptpclnt in Windows 2000)
> that verify both PPTP ports are opened.
Cheers, Malcolm