L2TP with NAT ?

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hi,

i'm trying use l2tp installed on windows server 2012 behing nat pfsense firewall

vpn client <===> internet <===> firewall<===> windows server on lan

ports redirect windows server :
- udp 500
- udp 4500
- udp 1701
- protocols ah , esp
(i think not mandatory try ...)

tests :
- connecting on lan pptp or l2tp (key or certificate) working good
- connecting on wan pptp working (with others ports)
- connecting on wan l2tp not working

try put assumeudpencapsulationcontextonsendrule 2 in registry on both sides (server , client) no change

try test server behind internet box without pfsense , dmz serveur not working, i'm not sure issue on firewall ...

possible make l2tp nat ?
if yes cause ?

thanks

hi patrick,

>>connecting on wan l2tp not working

on client, did show error message when tried connect l2tp vpn server?

>>i try put assumeudpencapsulationcontextonsendrule 2 in registry on both sides (server , client) no change

please change value of registry key 1 , try again.

>>i try test server behind internet box without pfsense , dmz serveur not working, i'm not sure issue on firewall ...

please disable firewall , re-connect l2tp vpn server.

best regards

john

please remember mark replies answers if , unmark them if provide no help.
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Windows Server  >  Network Infrastructure Servers



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