NAT Traversal not working anymore

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centeredki69
Posts: 78
Joined: Wed Sep 18, 2013 1:49 pm

NAT Traversal not working anymore

Post by centeredki69 » Sat Jul 07, 2018 10:53 pm

I have been using SoftEther since 2012 and I think it is great. I have always forwarded the ports at the server site so I always connected with out any issue.

Some times when I do router firmware updates I forget to reset my port forwarding but the client would connect anyway because of the NAT Traversal.

However, I noticed that NAT Traversal no longer works. If I don't forward the ports I get an ( error 1) and can't connect.

Did the software change?

thisjun
Posts: 2150
Joined: Mon Feb 24, 2014 11:03 am

Re: NAT Traversal not working anymore

Post by thisjun » Wed Jul 18, 2018 6:51 am

SoftEther VPN doesn't change the operation of NAT-T.

What did NAT-T stop working on?

centeredki69
Posts: 78
Joined: Wed Sep 18, 2013 1:49 pm

Re: NAT Traversal not working anymore

Post by centeredki69 » Sun Jul 22, 2018 2:34 pm

It stopped working on a SE client (WIN 10)that tries to connect to a SE VPN server (Win 10) that has no ports forwarded on the Firewall/Router

thisjun
Posts: 2150
Joined: Mon Feb 24, 2014 11:03 am

Re: NAT Traversal not working anymore

Post by thisjun » Thu Aug 09, 2018 5:23 am

If you specify the destination hostname by IP address, please try using DDNS hostname.

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