[ale] Windoze VPN + Linux Firewall....

[Marvin the Martian]

Alan Dobkin wrote:

>On 9/20/2005 2:02 AM, Marvin the Martian wrote:
>  
>
>>I've got the port (1723) forwarded to the right IP on the lan, but the 
>>client hangs on "verifying user/pass"...  Is there something else I need 
>>to do?  Am I missing a clue here?
>>    
>>
>
>Yes, you must also forward the GRE protocol 47.  (This is not a TCP
>port.)  With iptables:
>
>iptables -A INPUT -p 47 -j ACCEPT
>
>For more troubleshooting info, see:
>
>http://poptop.sourceforge.net/dox/gre-protocol-unavailable.phtml
>  
>
That nailed it, man.  Thanx.  :-)