Re: Error 720 connecting to server via VPN
- From: Leythos <void@xxxxxxxxxxx>
- Date: Tue, 25 Sep 2007 22:45:58 -0400
In article <EA0A618B-4EF3-4335-8E82-0FCDB58DA631@xxxxxxxxxxxxx>,
CraigHughes@xxxxxxxxxxxxxxxxxxxxxxxxx says...
Port 1723 (PPTP) is allowed in my router for any WAN users to the server.
I've not got a rule for GRE (Port 43 I think) as I read it was a IP protocol
rather than TCP or UDP. My router only allows TCP, UDP or TCP/UDP. Should
I create a rule for port 43 as TCP/UDP?
My router is Netgear. I can't see any existing rule I can select for GRE or
port 43.
GRE is not a port, you can't forward it.
Many home/residential routers, which are not real firewalls, don't
support more than 2 PPTP sessions and some don't properly forward GRE.
720 is a common GRE error.
Some vendors have a "work around" of forwarding TCP 43 inbound, others
forward UDP 43, still others forward TCP/UDP 43 inbound....
Since Netgear "Routers" are not firewalls, why not buy a firewall to
properly protect your network and to PPTP into the firewall instead of
the server.
Also, you mentioned that you allow HTTP (TCP 80) - why, that's a serious
risk.
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- From: Craig Hughes
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