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1dvy

Port forwarding with external IP.

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Hello gentlemen,
I have a problem with port forwarding.

Let's say I reserved port xxx via the AirVPN website. The internal port is identical.
When I run telnet over port xxx using the internal IP - I get the connection. The TCP test on the website also succeeds.

However, when I telnet over port xxx using the mapped external IP address - it times out.
I also ran nmap on the external IP, but the only opened ports were 53 DNS, and three nginx ports 89, 843, and 880.

I tried using different ports, connecting to different servers, but no luck.

Screenshot from 2021-02-02 15-11-15.png

Screenshot from 2021-02-02 15-11-34.png

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On 2/2/2021 at 2:12 PM, 1dvy said:

When I run telnet over port xxx using the internal IP - I get the connection. The TCP test on the website also succeeds.


Don't know why you did this – it's connecting to a port local to your host :D it's like connecting to 127.0.0.1 or ::1.

The other though is unexpected. Does nc also not connect? Does the application you want the port to be forwarded for connect?

» I am not an AirVPN team member. All opinions are my own and are not to be considered official. Only the AirVPN Staff account should be viewed as such.

» The forums is a place where you can ask questions to the community. You are not entitled to guaranteed answer times. Answer quality may vary, too. If you need professional support, please create tickets.

» If you're new, take some time to read LZ1's New User Guide to AirVPN. On questions, use the search function first. On errors, search for the error message instead.

» If you choose to create a new thread, keep in mind that we don't know your setup. Give info about it. Never forget the OpenVPN logs or, for Eddie, the support file (Logs > lifebelt icon).

» The community kindly asks you to not set up Tor exit relays when connected to AirVPN. Their IP addresses are subject to restrictions and these are relayed to all users of the affected servers.

 

» Furthermore, I propose that your paranoia is to be destroyed. If you overdo privacy, chances are you will be unique amond the mass again.

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>Don't know why you did this – it's connecting to a port local to your host :D it's like connecting to 127.0.0.1 or ::1.
Yeah, just to make sure that indeed a piece of software was binding to the port and that no firewalls were in the way.

So after some time I just tried the telnet again and it worked perfectly with an external IP.
One more thing I realised, as mentioned everywhere on the site if you are to connect to the mentioned port, don't do it on the device from which you are connected to the VPN.


 

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22 hours ago, 1dvy said:
One more thing I realised, as mentioned everywhere on the site if you are to connect to the mentioned port, don't do it on the device from which you are connected to the VPN.

Ah, yes. :)
Good that it works now. Enjoy!

» I am not an AirVPN team member. All opinions are my own and are not to be considered official. Only the AirVPN Staff account should be viewed as such.

» The forums is a place where you can ask questions to the community. You are not entitled to guaranteed answer times. Answer quality may vary, too. If you need professional support, please create tickets.

» If you're new, take some time to read LZ1's New User Guide to AirVPN. On questions, use the search function first. On errors, search for the error message instead.

» If you choose to create a new thread, keep in mind that we don't know your setup. Give info about it. Never forget the OpenVPN logs or, for Eddie, the support file (Logs > lifebelt icon).

» The community kindly asks you to not set up Tor exit relays when connected to AirVPN. Their IP addresses are subject to restrictions and these are relayed to all users of the affected servers.

 

» Furthermore, I propose that your paranoia is to be destroyed. If you overdo privacy, chances are you will be unique amond the mass again.

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