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OpenVPN stopped working after upgrade

snathan

Wednesday - last edited Yesterday

Posts: 6

Helpful: 1

Solutions: 1

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Registered: 2025-01-06

OpenVPN stopped working after upgrade

Wednesday - last edited Yesterday

Tags: #Network Connectivity #OpenVPN

Model: ER605 (TL-R605)

Hardware Version: V2

Firmware Version: 2.2.6 Build 20240718 Rel.82712

I had OpenVPN working on the version "2.0.1 Build 20220223". After upgrading to the latest version "2.2.6 Build 20240718 Rel.82712", it fails to connect. Logs below:

Tue Jan  7 22:08:58 2025 OpenVPN 2.6.12 [git:v2.6.12/038a94bae57a446c] Windows [SSL (OpenSSL)] [LZO] [LZ4] [PKCS11] [AEAD] [DCO] built on Jul 18 2024
Tue Jan  7 22:08:58 2025 Windows version 10.0 (Windows 10 or greater), amd64 executable
Tue Jan  7 22:08:58 2025 library versions: OpenSSL 3.3.1 4 Jun 2024, LZO 2.10
Tue Jan  7 22:08:58 2025 DCO version: 1.2.1
Tue Jan  7 22:08:58 2025 TCP/UDP: Preserving recently used remote address: [AF_INET][MY-PUBLIC-IP-ADDR]:1197
Tue Jan  7 22:08:58 2025 UDPv4 link local: (not bound)
Tue Jan  7 22:08:58 2025 UDPv4 link remote: [AF_INET][MY-PUBLIC-IP-ADDR]:1197
Tue Jan  7 22:09:25 2025 [server_server1] Peer Connection Initiated with [AF_INET][MY-PUBLIC-IP-ADDR]:1197
Tue Jan  7 22:10:29 2025 No reply from server to push requests in 64s
Tue Jan  7 22:10:29 2025 SIGUSR1[soft,no-push-reply] received, process restarting
Tue Jan  7 22:10:30 2025 TCP/UDP: Preserving recently used remote address: [AF_INET][MY-PUBLIC-IP-ADDR]:1197
Tue Jan  7 22:10:30 2025 UDPv4 link local: (not bound)
Tue Jan  7 22:10:30 2025 UDPv4 link remote: [AF_INET][MY-PUBLIC-IP-ADDR]:1197
Tue Jan  7 22:11:30 2025 TLS Error: TLS key negotiation failed to occur within 60 seconds (check your network connectivity)
Tue Jan  7 22:11:30 2025 TLS Error: TLS handshake failed
Tue Jan  7 22:11:30 2025 SIGUSR1[soft,tls-error] received, process restarting
Tue Jan  7 22:11:31 2025 TCP/UDP: Preserving recently used remote address: [AF_INET][MY-PUBLIC-IP-ADDR]:1197
Tue Jan  7 22:11:31 2025 UDPv4 link local: (not bound)
Tue Jan  7 22:11:31 2025 UDPv4 link remote: [AF_INET][MY-PUBLIC-IP-ADDR]:1197
Tue Jan  7 22:11:34 2025 [server_server1] Peer Connection Initiated with [AF_INET][MY-PUBLIC-IP-ADDR]:1197
Tue Jan  7 22:12:36 2025 No reply from server to push requests in 62s
Tue Jan  7 22:12:36 2025 SIGUSR1[soft,no-push-reply] received, process restarting
Tue Jan  7 22:12:37 2025 TCP/UDP: Preserving recently used remote address: [AF_INET][MY-PUBLIC-IP-ADDR]:1197
Tue Jan  7 22:12:37 2025 UDPv4 link local: (not bound)
Tue Jan  7 22:12:37 2025 UDPv4 link remote: [AF_INET][MY-PUBLIC-IP-ADDR]:1197
Tue Jan  7 22:13:37 2025 TLS Error: TLS key negotiation failed to occur within 60 seconds (check your network connectivity)
Tue Jan  7 22:13:37 2025 TLS Error: TLS handshake failed
Tue Jan  7 22:13:37 2025 SIGUSR1[soft,tls-error] received, process restarting
Tue Jan  7 22:13:38 2025 TCP/UDP: Preserving recently used remote address: [AF_INET][MY-PUBLIC-IP-ADDR]:1197
Tue Jan  7 22:13:38 2025 UDPv4 link local: (not bound)
Tue Jan  7 22:13:38 2025 UDPv4 link remote: [AF_INET][MY-PUBLIC-IP-ADDR]:1197
Tue Jan  7 22:13:43 2025 [server_server1] Peer Connection Initiated with [AF_INET][MY-PUBLIC-IP-ADDR]:1197

...

I have regenerated the server certificate as well after the upgrade but still the same error.

1 Accepted Solution

snathan

LV1

Yesterday - last edited Yesterday

Posts: 6

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Registered: 2025-01-06

Re:OpenVPN stopped working after upgrade-Solution

Yesterday - last edited Yesterday

I deleted my current OpenVPN configuration, rebooted the router, created a new configuration and it worked!

--------

Also I added the line:


windows-driver wintun

to switch to "OpenVPN Wintun"

The default the adapter is "OpenVPN TAP-Windows6".

---------

Also added the line:

data-ciphers AES-128-CBC

to remove this message

DEPRECATED OPTION: --cipher set to 'AES-128-CBC' but missing in --data-ciphers (AES-256-GCM:AES-128-GCM:CHACHA20-POLY1305). OpenVPN ignores --cipher for cipher negotiations.

Recommended Solution

3 Reply

Clive_A

Wednesday

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Registered: 2023-06-09

Re:OpenVPN stopped working after upgrade

Wednesday

Hi @snathan

Thanks for posting in our business forum.

Reading this log gives an indication that the remote server is not reachable.

What's the result of your check on WAN?

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snathan

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Yesterday

Posts: 6

Helpful: 1

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Registered: 2025-01-06

Re:OpenVPN stopped working after upgrade

Yesterday

Hello and thanks for the suggesion. Below is what I used to test my WAN connection as well as OpenVPN is actively listening and responding on the designated port.

nc -vz -u [MY-PUBLIC-IP-ADDR] 1197
Connection to [MY-PUBLIC-IP-ADDR] 1197 port [udp/*] succeeded!

I also serve a lot of other services on that WAN so pretty sure it's up and running.

Thanks

snathan

LV1

Yesterday - last edited Yesterday

Posts: 6

Helpful: 1

Solutions: 1

Stories: 0

Registered: 2025-01-06

Re:OpenVPN stopped working after upgrade-Solution

Yesterday - last edited Yesterday

I deleted my current OpenVPN configuration, rebooted the router, created a new configuration and it worked!

--------

Also I added the line:


windows-driver wintun

to switch to "OpenVPN Wintun"

The default the adapter is "OpenVPN TAP-Windows6".

---------

Also added the line:

data-ciphers AES-128-CBC

to remove this message

DEPRECATED OPTION: --cipher set to 'AES-128-CBC' but missing in --data-ciphers (AES-256-GCM:AES-128-GCM:CHACHA20-POLY1305). OpenVPN ignores --cipher for cipher negotiations.

OpenVPN stopped working after upgrade

OpenVPN stopped working after upgrade

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