Softether server on DD-WRT (behind CGNAT)?

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tkoyn
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Joined: 11 Feb 2007
Posts: 442

PostPosted: Mon Jan 16, 2023 17:48    Post subject: Softether server on DD-WRT (behind CGNAT)? Reply with quote
Is there a good current writeup on how I would configure a DD-WRT router (such as Netgear R7000) to function as a SoftEther server on recent builds of DD-WRT?

In particular, I will probably need it to use the SoftEther VPN Azure Relay Service to cut through the carrier grade NAT that the internet WAN of the router will have.

Thanks
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egc
DD-WRT Guru


Joined: 18 Mar 2014
Posts: 12887
Location: Netherlands

PostPosted: Tue Jan 17, 2023 8:25    Post subject: Reply with quote
I cannot help you with Softether, however there are other possibilities to overcome CGNAT.

You can use a VPN provider which supports port forwarding via the VPN client.
ngrok
tailscale
zerotier

to name a few

_________________
Routers:Netgear R7000, R6400v1, R6400v2, EA6900 (XvortexCFE), E2000, E1200v1, WRT54GS v1.
Install guide R6400v2, R6700v3,XR300:https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=316399
Install guide R7800/XR500: https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=320614
Forum Guide Lines (important read):https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=324087
tkoyn
DD-WRT User


Joined: 11 Feb 2007
Posts: 442

PostPosted: Tue Jan 17, 2023 13:52    Post subject: Reply with quote
egc wrote:
there are other possibilities to overcome CGNAT.

You can use a VPN provider which supports port forwarding via the VPN client.
ngrok
tailscale
zerotier

to name a few
I had created openvpn server on DDWRT router (with DDNS) before having to deal with CGNAT. Are there any good working writeups on how to do similar with the options you name on DD-WRT, especially any of the last 3 not involving a commercial VPN. Search results I find are very sparse and sketchy, or not close to target.
egc
DD-WRT Guru


Joined: 18 Mar 2014
Posts: 12887
Location: Netherlands

PostPosted: Tue Jan 17, 2023 14:12    Post subject: Reply with quote
If your commercial VPN Provider supports port forwarding then it is very simple.

On the VPN provider you can acquire a port for you to use.

The DDNS client on the router (set to check external IP) will come up with the IP address of the VPN provider. That IP address together with the port you acquired is what is visible for the outside world and if you connect via that IP-address:port then traffic will be routed to your router.

The only thing to do is to set a manual port forward from your VPN interface and the acquired port to your VPN server.

_________________
Routers:Netgear R7000, R6400v1, R6400v2, EA6900 (XvortexCFE), E2000, E1200v1, WRT54GS v1.
Install guide R6400v2, R6700v3,XR300:https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=316399
Install guide R7800/XR500: https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=320614
Forum Guide Lines (important read):https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=324087
tkoyn
DD-WRT User


Joined: 11 Feb 2007
Posts: 442

PostPosted: Tue Jan 17, 2023 15:03    Post subject: Reply with quote
Are there any good recent guides for these on DDWRT

ngrok
tailscale
zerotier
egc
DD-WRT Guru


Joined: 18 Mar 2014
Posts: 12887
Location: Netherlands

PostPosted: Tue Jan 17, 2023 15:24    Post subject: Reply with quote
You have to google for that, usually you have to install those packages via Entware
_________________
Routers:Netgear R7000, R6400v1, R6400v2, EA6900 (XvortexCFE), E2000, E1200v1, WRT54GS v1.
Install guide R6400v2, R6700v3,XR300:https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=316399
Install guide R7800/XR500: https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=320614
Forum Guide Lines (important read):https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=324087
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