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Can't connect to the VPN Server Nighthawk AX2700
Hi, I setup VPN server but for some reasons I can't access it ➜ Library nc -zvu my_ddns.ddns.net 12973 Connection to my_ddns.ddns.net port 12973 [udp/*] succeeded! My IP is correctly resolved. I...
Hello Kitsap
here is a log from openVpn Connect app (Iphone 15 pro) using cell data
```
[Jan 30, 2025, 09:33:44] START CONNECTION
[Jan 30, 2025, 09:33:44] ----- OpenVPN Start -----
OpenVPN core 3.10.5 ios arm64 64-bit
[Jan 30, 2025, 09:33:44] OpenVPN core 3.10.5 ios arm64 64-bit
[Jan 30, 2025, 09:33:44] Frame=512/2112/512 mssfix-ctrl=1250
[Jan 30, 2025, 09:33:44] NOTE: This configuration contains options that were not used:
[Jan 30, 2025, 09:33:44] Unsupported option (ignored)
[Jan 30, 2025, 09:33:44] 0 [resolv-retry] [infinite]
[Jan 30, 2025, 09:33:44] 1 [persist-key]
[Jan 30, 2025, 09:33:44] 2 [persist-tun]
[Jan 30, 2025, 09:33:44] 3 [mute] [5]
[Jan 30, 2025, 09:33:44] EVENT: RESOLVE
[Jan 30, 2025, 09:33:45] Contacting [2607:7700:0:34:0:1:1893:abad]:12973 via UDP
[Jan 30, 2025, 09:33:45] EVENT: WAIT
[Jan 30, 2025, 09:33:45] Connecting to [my_dddns.ddns.net]:12973 (2607:7700:0:34:0:1:1893:abad) via UDP
[Jan 30, 2025, 09:33:54] Server poll timeout, trying next remote entry...
[Jan 30, 2025, 09:33:54] EVENT: RECONNECTING
[Jan 30, 2025, 09:33:54] Contacting my_dddns24.147.171.155:12973 via UDP
[Jan 30, 2025, 09:33:54] EVENT: WAIT
[Jan 30, 2025, 09:33:54] Connecting to [my_dddns.ddns.net]:12973 (my_dddns24.147.171.155) via UDP
[Jan 30, 2025, 09:34:04] Server poll timeout, trying next remote entry...
[Jan 30, 2025, 09:34:05] EVENT: RECONNECTING
[Jan 30, 2025, 09:34:05] EVENT: RESOLVE
[Jan 30, 2025, 09:34:05] Contacting [2607:7700:0:34:0:1:1893:abad]:12973 via UDP
[Jan 30, 2025, 09:34:05] EVENT: WAIT
[Jan 30, 2025, 09:34:05] Connecting to [my_dddns.ddns.net]:12973 (2607:7700:0:34:0:1:1893:abad) via UDP
[Jan 30, 2025, 09:34:15] Server poll timeout, trying next remote entry...
[Jan 30, 2025, 09:34:15] EVENT: RECONNECTING
[Jan 30, 2025, 09:34:15] Contacting my_dddns24.147.171.155:12973 via UDP
[Jan 30, 2025, 09:34:15] EVENT: WAIT
[Jan 30, 2025, 09:34:15] Connecting to [my_dddns.ddns.net]:12973 (my_dddns24.147.171.155) via UDP
[Jan 30, 2025, 09:34:25] Server poll timeout, trying next remote entry...
[Jan 30, 2025, 09:34:25] EVENT: RECONNECTING
[Jan 30, 2025, 09:34:25] EVENT: RESOLVE
[Jan 30, 2025, 09:34:25] Contacting [2607:7700:0:34:0:1:1893:abad]:12973 via UDP
[Jan 30, 2025, 09:34:25] EVENT: WAIT
[Jan 30, 2025, 09:34:25] Connecting to [my_dddns.ddns.net]:12973 (2607:7700:0:34:0:1:1893:abad) via UDP
[Jan 30, 2025, 09:34:35] Server poll timeout, trying next remote entry...
[Jan 30, 2025, 09:34:35] EVENT: RECONNECTING
[Jan 30, 2025, 09:34:35] Contacting my_dddns24.147.171.155:12973 via UDP
[Jan 30, 2025, 09:34:35] EVENT: WAIT
[Jan 30, 2025, 09:34:35] Connecting to [my_dddns.ddns.net]:12973 (my_dddns24.147.171.155) via UDP
[Jan 30, 2025, 09:34:44] EVENT: CONNECTION_TIMEOUT [ERR]
[Jan 30, 2025, 09:34:45] EVENT: DISCONNECTED
[Jan 30, 2025, 09:34:45] EVENT: CORE_THREAD_DONE
[Jan 30, 2025, 09:34:45] EVENT: DISCONNECT_PENDING
[Jan 30, 2025, 09:34:45] Raw stats on disconnect:
BYTES_OUT : 2520
PACKETS_OUT : 60
CONNECTION_TIMEOUT : 1
N_RECONNECT : 5
[Jan 30, 2025, 09:34:45] Performance stats on disconnect:
CPU usage (microseconds): 86305
Network bytes per CPU second: 29198
Tunnel bytes per CPU second: 0
```
I presume you have downloaded a new client.ovpn configuration file each time you have made changes to the configuration in the router and imported it into the mobile device?
A UDP connection, like you are using, results in less overhead for the connection as opposed to a TCP connection. You might try the TCP to see if it makes any difference.
Today, anytime someone is using an iOS device and there are connection problems, I wonder about the rotating MAC address security feature. Do you have yours enabled or disabled?
Have you had the opportunity to test the VPN connection from a regular Wi-Fi connection as opposed to a cell connection?
When you test from a cell connection, make sure the Wi-Fi connection in the mobile device is turned completely off as opposed to just disconnected.
When I look at the log, resolving the IP address through your DDNS pops up as a repeating issue.
All my Open VPN experience is with a variety of Windows 10 and 11 and Android devices.
Hello,
I am having the same problem. Were you able to get the VPN to work on an iOS device?
Thank you!