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A556

Unable to connect to AirVPN using UDP 53

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Hello. I read that connecting to AirVPN using port UDP 53 instead of UDP 443 is a way to get better speeds, but when I tried to do it today it could not connect to that port on any server and kept giving me an error. This happened on both my phone (connected with Wi-Fi) and PC (connected with ethernet cable) . I contacted my ISP and asked them if they were blocking any ports, and they said they were only blocking ports 80 and 25. I had the ISP unblock these ports just in case that was somehow the issue, but it was not and VPN on UDP 53 continued to not work. I even tried forwarding UDP port 53 to my devices from my router, but that didn't do anything. However, when I turn off Wi-Fi on my phone and connect to my mobile network, UDP 53 works flawlessly.

 

Here is a log of me trying to connect to an AirVPN server on port UDP 53 on my Wi-Fi using my android phone and the Eddie for Android app

 

Eddie Log created on 09 Aug 2018 19:24:41 UTC

Eddie for Android 1.0 RC 2 Version Code 5

09 Aug 2018 19:23:52 UTC [debug] NativeMethods.OVPN3.Init succeeded (version=3)
09 Aug 2018 19:23:52 UTC
Network is connected to WIFI
09 Aug 2018 19:23:52 UTC [debug] VPNService.NetworkStatusChanged: action='RESUME'
09 Aug 2018 19:23:52 UTC
Network is connected to WIFI
09 Aug 2018 19:23:52 UTC [debug] VPNService.NetworkStatusChanged: action='RESUME'
09 Aug 2018 19:24:03 UTC
Network is connected to WIFI
09 Aug 2018 19:24:03 UTC [debug] VPNService.NetworkStatusChanged: action='RESUME'
09 Aug 2018 19:24:03 UTC
Network is connected to WIFI
09 Aug 2018 19:24:03 UTC [debug] VPNService.NetworkStatusChanged: action='RESUME'
09 Aug 2018 19:24:04 UTC
OpenVPN3: ovpn3_client_set_option '1' - 'tls_version_min:tls_1_0'
09 Aug 2018 19:24:04 UTC
OpenVPN3: ovpn3_client_set_option '1' - 'protocol:'
09 Aug 2018 19:24:04 UTC
OpenVPN3: ovpn3_client_set_option '1' - 'ipv6:yes'
09 Aug 2018 19:24:04 UTC
OpenVPN3: ovpn3_client_set_option '1' - 'timeout:30'
09 Aug 2018 19:24:04 UTC
OpenVPN3: ovpn3_client_set_option '1' - 'tun_persist:true'
09 Aug 2018 19:24:04 UTC
OpenVPN3: ovpn3_client_set_option '1' - 'compression_mode:yes'
09 Aug 2018 19:24:04 UTC
OpenVPN3: ovpn3_client_set_option '1' - 'synchronous_dns_lookup:false'
09 Aug 2018 19:24:04 UTC
OpenVPN3: ovpn3_client_set_option '1' - 'autologin_sessions:true'
09 Aug 2018 19:24:04 UTC
OpenVPN3: ovpn3_client_set_option '1' - 'disable_client_cert:false'
09 Aug 2018 19:24:04 UTC
OpenVPN3: ovpn3_client_set_option '1' - 'ssl_debug_level:0'
09 Aug 2018 19:24:04 UTC
OpenVPN3: ovpn3_client_set_option '1' - 'default_key_direction:-1'
09 Aug 2018 19:24:04 UTC
OpenVPN3: ovpn3_client_set_option '1' - 'force_aes_cbc_ciphersuites:false'
09 Aug 2018 19:24:04 UTC
OpenVPN3: ovpn3_client_set_option '1' - 'tls_cert_profile:'
09 Aug 2018 19:24:04 UTC
Eddie Native Library: client '1' starting
09 Aug 2018 19:24:04 UTC
Eddie Native Library: loading profile
09 Aug 2018 19:24:04 UTC
OpenVPN3: config.protoOverride:
09 Aug 2018 19:24:04 UTC
OpenVPN3: config.connTimeout: 30
09 Aug 2018 19:24:04 UTC
OpenVPN3: config.compressionMode: yes
09 Aug 2018 19:24:04 UTC
OpenVPN3: config.ipv6: yes
09 Aug 2018 19:24:04 UTC
OpenVPN3: config.tlsVersionMinOverride: tls_1_0
09 Aug 2018 19:24:04 UTC
OpenVPN3: config.tlsCertProfileOverride:
09 Aug 2018 19:24:04 UTC
OpenVPN3: config.disableClientCert: false
09 Aug 2018 19:24:04 UTC
OpenVPN3: config.proxyHost:
09 Aug 2018 19:24:04 UTC
OpenVPN3: config.proxyPort:
09 Aug 2018 19:24:04 UTC
OpenVPN3: config.proxyAllowCleartextAuth: false
09 Aug 2018 19:24:04 UTC
OpenVPN3: config.defaultKeyDirection: -1
09 Aug 2018 19:24:04 UTC
OpenVPN3: config.forceAesCbcCiphersuites: false
09 Aug 2018 19:24:04 UTC
OpenVPN3: config.sslDebugLevel: 0
09 Aug 2018 19:24:04 UTC [debug] DoUpdate - Begin
09 Aug 2018 19:24:04 UTC
OpenVPN3: config.autologinSessions: true
09 Aug 2018 19:24:04 UTC
OpenVPN3: config.tunPersist: true
09 Aug 2018 19:24:04 UTC
OpenVPN3: config.synchronousDnsLookup: false
09 Aug 2018 19:24:04 UTC
Eddie Native Library: profile loaded, connecting to server
09 Aug 2018 19:24:04 UTC
Eddie Native Library: connect_attach
09 Aug 2018 19:24:04 UTC [debug] OnConnectAttach
09 Aug 2018 19:24:04 UTC
OpenVPN3: Frame=512/2048/512 mssfix-ctrl=1250
09 Aug 2018 19:24:04 UTC [debug] OpenVPN Event: type=RESOLVE, name=RESOLVE, info=, data=0
09 Aug 2018 19:24:04 UTC
Eddie Native Library: connect_pre_run
09 Aug 2018 19:24:04 UTC [debug] OnConnectPreRun
09 Aug 2018 19:24:04 UTC
Eddie Native Library: connect_run
09 Aug 2018 19:24:04 UTC
OpenVPN3: Contacting 107.150.23.66:53 via UDP
09 Aug 2018 19:24:04 UTC [debug] OpenVPN Event: type=WAIT, name=WAIT, info=, data=0
09 Aug 2018 19:24:04 UTC
Eddie Native Library: socket_protect(socket=81)
09 Aug 2018 19:24:04 UTC [debug] OnSocketProtect(socket=81)
09 Aug 2018 19:24:04 UTC
OpenVPN3: Connecting to [107.150.23.66]:53 (107.150.23.66) via UDPv4
09 Aug 2018 19:24:14 UTC
OpenVPN3: Server poll timeout, trying next remote entry...
09 Aug 2018 19:24:14 UTC [debug] OpenVPN Event: type=RECONNECTING, name=RECONNECTING, info=, data=0
09 Aug 2018 19:24:14 UTC
OpenVPN3: Contacting 107.150.23.66:53 via UDP
09 Aug 2018 19:24:14 UTC [debug] OpenVPN Event: type=WAIT, name=WAIT, info=, data=0
09 Aug 2018 19:24:14 UTC
Eddie Native Library: socket_protect(socket=77)
09 Aug 2018 19:24:14 UTC [debug] OnSocketProtect(socket=77)
09 Aug 2018 19:24:14 UTC
OpenVPN3: Connecting to [107.150.23.66]:53 (107.150.23.66) via UDPv4
09 Aug 2018 19:24:24 UTC
OpenVPN3: Server poll timeout, trying next remote entry...
09 Aug 2018 19:24:24 UTC [debug] OpenVPN Event: type=RECONNECTING, name=RECONNECTING, info=, data=0
09 Aug 2018 19:24:24 UTC
OpenVPN3: Contacting 107.150.23.66:53 via UDP
09 Aug 2018 19:24:24 UTC [debug] OpenVPN Event: type=WAIT, name=WAIT, info=, data=0
09 Aug 2018 19:24:24 UTC
Eddie Native Library: socket_protect(socket=77)
09 Aug 2018 19:24:24 UTC [debug] OnSocketProtect(socket=77)
09 Aug 2018 19:24:24 UTC
OpenVPN3: Connecting to [107.150.23.66]:53 (107.150.23.66) via UDPv4
09 Aug 2018 19:24:34 UTC
OpenVPN3 CONNECTION_TIMEOUT: CONNECTION_TIMEOUT
09 Aug 2018 19:24:34 UTC
VPN error detected. Locking VPN
09 Aug 2018 19:24:34 UTC
Eddie Native Library: client '1' pausing
09 Aug 2018 19:24:34 UTC
Eddie Native Library: client '1' paused
09 Aug 2018 19:24:34 UTC
VPN locked
09 Aug 2018 19:24:34 UTC
Eddie Native Library: tun_builder_teardown(disconnect=false)
09 Aug 2018 19:24:34 UTC [debug] OnTunBuilderTeardown(disconnect=0)
09 Aug 2018 19:24:34 UTC
OpenVPN DISCONNECTED - DISCONNECTED:
09 Aug 2018 19:24:34 UTC [debug] OnConnectRun
09 Aug 2018 19:24:34 UTC
Eddie Native Library: OpenVPN3 client started
09 Aug 2018 19:24:34 UTC
Eddie Native Library: client '1' started
09 Aug 2018 19:24:34 UTC
Eddie Native Library: client '1' stopping
09 Aug 2018 19:24:34 UTC
Eddie Native Library: client '1' stopped
09 Aug 2018 19:24:34 UTC [debug] ClearContexts
09 Aug 2018 19:24:35 UTC
Exception: client not initialized (Eddie.NativeAndroidApp.OpenVPNDispatcher.Run)

I would highly appreciate if a fix for this issue could be found, thank you.

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Likely your router/gateway for your home network is capturing UDP 53 and rerouting such traffic to itself for DNS resolution.  Perhaps you've set this up to prevent other DNS from being used, or perhaps it's a method of filtering web content for your home network users.

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Likely your router/gateway for your home network is capturing UDP 53 and rerouting such traffic to itself for DNS resolution.  Perhaps you've set this up to prevent other DNS from being used, or perhaps it's a method of filtering web content for your home network users.

I don't think it's filtering, because I live in the United States where there are no required filters by the government or anything like that. Also, the router is not using my ISP DNS servers, I have set it to use OpenNIC DNS servers. I know that I haven't set any filtering or anything like that.

 

But if that is the case, is there any way for me to find out if this is happening?

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Likely your router/gateway for your home network is capturing UDP 53 and rerouting such traffic to itself for DNS resolution.  Perhaps you've set this up to prevent other DNS from being used, or perhaps it's a method of filtering web content for your home network users.

I don't think it's filtering, because I live in the United States where there are no required filters by the government or anything like that. Also, the router is not using my ISP DNS servers, I have set it to use OpenNIC DNS servers. I know that I haven't set any filtering or anything like that.

 

But if that is the case, is there any way for me to find out if this is happening?

 

 

I'm not talking about your ISP filtering.  I mean you with your setup.  But, if you're not, you're not.

 

But, you still might have setup your router to redirect DNS requests to other DNS to opennic DNS.  That would mean that openvpn can't connect on UDP 53 unless you bypass the filter.

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Likely your router/gateway for your home network is capturing UDP 53 and rerouting such traffic to itself for DNS resolution.  Perhaps you've set this up to prevent other DNS from being used, or perhaps it's a method of filtering web content for your home network users.

 

I don't think it's filtering, because I live in the United States where there are no required filters by the government or anything like that. Also, the router is not using my ISP DNS servers, I have set it to use OpenNIC DNS servers. I know that I haven't set any filtering or anything like that.

 

But if that is the case, is there any way for me to find out if this is happening?

 

 

I'm not talking about your ISP filtering.  I mean you with your setup.  But, if you're not, you're not.

 

But, you still might have setup your router to redirect DNS requests to other DNS to opennic DNS.  That would mean that openvpn can't connect on UDP 53 unless you bypass the filter.

I don't think the router is forcing OpenNIC DNS to be used, because if I try changing the DNS in the settings app of my phone to something else (cloudflare or Google for example) it works fine

How would I bypass the filter/find out if there is one? Is there a setting in my router admin panel that I should check?

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How exactly do I delete this comment? I typed something by accident and I don't see a delete option (just for this comment, not whole thread)

Edited by A556

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