From: mcp5@qwest.net   
      
   Are you running netgear firmware 2.4 on all three routers?   
      
   "Joe"  wrote in message   
   news:ci9734$uk6$1@newsg2.svr.pol.co.uk...   
   > also,   
   >   
   > I was looking for the same information and found loads of different   
   answers   
   > on google, etc.  These are some notes I made at the time.   
   >   
   > Netgear tech support:   
   > ports 1723 and 500.   
   >   
   > Newsgroups:   
   > 1723 for PPTP   
   > 500 - IPSec ?   
   > 50   
   > 51 for IPSec.   
   >   
   > groups.google   
   > port UDP 500 if using key neg (IPSec?)   
   > port UDP 1723 for PPTP   
   >   
   > Protocol 50 ESP (not port number, but protocol)   
   > Protocol 51 AH?   
   >   
   > PPTP: use port 1723 and GRE protocol 47  (Generic Routing Ecapsulation   
   > protocol)   
   > L2TP: ports 1701 and port 500   
   >   
   > then my notes say: "check some books".   
   >   
   > I've got both of mine in the 'DMZ' (i.e. all ports are open and all   
   packets   
   > are forwarded to the FVS318 now).   
   >   
   > I actually have 3 sites with these units and find that even thought all   
   > ports are open on all sites and all the sites' FVS318's report a fully   
   > established connection that 1 of the sites does not work properly - e.g.   
   > network browse and ping don't work - actually nothing that you'd like to   
   do   
   > over a network actually works with this site (in either direction).  Some   
   > packet sniffers at various points on the way indicated a problem with an   
   > intervening corporate ISP provider mangling the encrypted VPN packets -   
   e.g.   
   > modifying the source or destination IP address and sending the modified   
   > packet on, but then sending on the original as well - stuff like that.   
   They   
   > currently have their firewall vendor looking into the problem - so things   
   > can screw up in realms outside of your control.   
   >   
   > "Steve"  wrote in message   
   > news:MwL1d.44$l_4.63959@news.uswest.net...   
   > > I am trying to figure which ports to open on the actiontec modem to   
   allow   
   > > vpn passthru.  My modem is running Qwest firmware and doesn't have a   
   radio   
   > > button to turn vpn passthru on.  And does anyone know on the Netgear   
   > FVS318   
   > > can two of them establish a vpn connection if one is running firmware   
   2.3   
   > > and the other 2.4   
   > >   
   > > Thanks   
   > >   
   > >   
   >   
   >   
      
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