Container cant be acessed when run in ubuntu server, but it can be acessed when run on different computer.

[Reasonable-Human]

Is there a pinned issue for this?

• I have read the pinned issues and could not find my issue

Is there an existing or similar issue/discussion for this?

• I have searched the existing issues
• I have searched the existing discussions

Is there any comment in the documentation for this?

• I have read the documentation, especially the FAQ and Troubleshooting parts

Is this related to a provider?

• I have checked the provider repo for issues
• My issue is NOT related to a provider

Are you using the latest release?

• I am using the latest release

Have you tried using the dev branch latest?

• I have tried using dev branch

Docker run config used

docker run --cap-add=NET_ADMIN -e TRANSMISSION_WEB_UI=flood-for-transmission -e OPENVPN_PROVIDER=NORDVPN -e OPENVPN_USERNAME=******** -e OPENVPN_PASSWORD=****** -e LOCAL_NETWORK=192.168.178.1/24 -v "/home":/data --log-driver=json-file --log-opt=max-size=10m -p 9091:9091 --restart on-failure haugene/transmission-openvpn

Current Behavior

The container starts and loads normally and runs as expected. It stays online and seems to function the way it should but i cant connect to it from any other devices, when i run curl localhost:9091 it returns the expected <h1>301: Moved Permanently</h1> which means it must be working.
Other containers work flawlessly (for example the library/httpd container) and when run on my desktop i can access it fine from any device.

The container is running on Ubuntu Server 22.04 LTS which is a vm hosted by a local Proxmox server

Expected Behavior

I should be able to access the web ui from computers on the same network.

How have you tried to solve the problem?

Ive tried disabling the firewall (UFW and also the proxmox firewall) even though it should have no effect considering library/httpd works fine
I've tried changing the port to 8080 because that's what library/httpd runs on and that works fine
Reinstalling Docker
Reinstalling the VM

Log output

Log output

Starting container with revision: 94754fe91d3a430bafa6b0dec75f56ded43ef1df
Creating TUN device /dev/net/tun
Using OpenVPN provider: NORDVPN
Running with VPN_CONFIG_SOURCE auto
Provider NORDVPN has a bundled setup script. Defaulting to internal config
Executing setup script for NORDVPN
2022-05-19 20:54:14 Checking curl installation
2022-05-19 20:54:14 Removing existing configs
2022-05-19 20:54:14 Selecting the best server...
2022-05-19 20:54:14 Searching for group: legacy_p2p
2022-05-19 20:54:14 Searching for technology: openvpn_udp
2022-05-19 20:54:14 Best server : de894.nordvpn.com
2022-05-19 20:54:14 Downloading config: default.ovpn
2022-05-19 20:54:14 Downloading from: https://downloads.nordcdn.com/configs/files/ovpn_udp/servers/de894.nordvpn.com.udp.ovpn
Starting OpenVPN using config default.ovpn
Modifying /etc/openvpn/nordvpn/default.ovpn for best behaviour in this container
Modification: Point auth-user-pass option to the username/password file
Modification: Change ca certificate path
Modification: Change ping options
Modification: Update/set resolv-retry to 15 seconds
Modification: Change tls-crypt keyfile path
Modification: Set output verbosity to 3
Modification: Remap SIGUSR1 signal to SIGTERM, avoid OpenVPN restart loop
Setting OpenVPN credentials...
adding route to local network 192.168.178.1/24 via 172.17.0.1 dev eth0
Error: Invalid prefix for given prefix length.
Thu May 19 20:54:15 2022 OpenVPN 2.4.7 x86_64-pc-linux-gnu [SSL (OpenSSL)] [LZO] [LZ4] [EPOLL] [PKCS11] [MH/PKTINFO] [AEAD] built on Mar 22 2022
Thu May 19 20:54:15 2022 library versions: OpenSSL 1.1.1f  31 Mar 2020, LZO 2.10
Thu May 19 20:54:15 2022 NOTE: the current --script-security setting may allow this configuration to call user-defined scripts
Thu May 19 20:54:15 2022 Outgoing Control Channel Authentication: Using 512 bit message hash 'SHA512' for HMAC authentication
Thu May 19 20:54:15 2022 Incoming Control Channel Authentication: Using 512 bit message hash 'SHA512' for HMAC authentication
Thu May 19 20:54:15 2022 TCP/UDP: Preserving recently used remote address: [AF_INET]91.207.172.67:1194
Thu May 19 20:54:15 2022 Socket Buffers: R=[212992->212992] S=[212992->212992]
Thu May 19 20:54:15 2022 UDP link local: (not bound)
Thu May 19 20:54:15 2022 UDP link remote: [AF_INET]91.207.172.67:1194
Thu May 19 20:54:15 2022 TLS: Initial packet from [AF_INET]91.207.172.67:1194, sid=43d48f65 59c6b3c5
Thu May 19 20:54:15 2022 WARNING: this configuration may cache passwords in memory -- use the auth-nocache option to prevent this
Thu May 19 20:54:15 2022 VERIFY OK: depth=2, C=PA, O=NordVPN, CN=NordVPN Root CA
Thu May 19 20:54:15 2022 VERIFY OK: depth=1, C=PA, O=NordVPN, CN=NordVPN CA7
Thu May 19 20:54:15 2022 VERIFY KU OK
Thu May 19 20:54:15 2022 Validating certificate extended key usage
Thu May 19 20:54:15 2022 ++ Certificate has EKU (str) TLS Web Server Authentication, expects TLS Web Server Authentication
Thu May 19 20:54:15 2022 VERIFY EKU OK
Thu May 19 20:54:15 2022 VERIFY OK: depth=0, CN=de894.nordvpn.com
Thu May 19 20:54:15 2022 Control Channel: TLSv1.3, cipher TLSv1.3 TLS_AES_256_GCM_SHA384, 4096 bit RSA
Thu May 19 20:54:15 2022 [de894.nordvpn.com] Peer Connection Initiated with [AF_INET]91.207.172.67:1194
Thu May 19 20:54:16 2022 SENT CONTROL [de894.nordvpn.com]: 'PUSH_REQUEST' (status=1)
Thu May 19 20:54:16 2022 PUSH: Received control message: 'PUSH_REPLY,redirect-gateway def1,dhcp-option DNS 103.86.96.100,dhcp-option DNS 103.86.99.100,sndbuf 524288,rcvbuf 524288,explicit-exit-notify,comp-lzo no,route-gateway 10.8.1.1,topology subnet,ping 60,ping-restart 180,ifconfig 10.8.1.8 255.255.255.0,peer-id 6,cipher AES-256-GCM'
Thu May 19 20:54:16 2022 OPTIONS IMPORT: timers and/or timeouts modified
Thu May 19 20:54:16 2022 OPTIONS IMPORT: explicit notify parm(s) modified
Thu May 19 20:54:16 2022 OPTIONS IMPORT: compression parms modified
Thu May 19 20:54:16 2022 OPTIONS IMPORT: --sndbuf/--rcvbuf options modified
Thu May 19 20:54:16 2022 Socket Buffers: R=[212992->425984] S=[212992->425984]
Thu May 19 20:54:16 2022 OPTIONS IMPORT: --ifconfig/up options modified
Thu May 19 20:54:16 2022 OPTIONS IMPORT: route options modified
Thu May 19 20:54:16 2022 OPTIONS IMPORT: route-related options modified
Thu May 19 20:54:16 2022 OPTIONS IMPORT: --ip-win32 and/or --dhcp-option options modified
Thu May 19 20:54:16 2022 OPTIONS IMPORT: peer-id set
Thu May 19 20:54:16 2022 OPTIONS IMPORT: adjusting link_mtu to 1657
Thu May 19 20:54:16 2022 OPTIONS IMPORT: data channel crypto options modified
Thu May 19 20:54:16 2022 Data Channel: using negotiated cipher 'AES-256-GCM'
Thu May 19 20:54:16 2022 Outgoing Data Channel: Cipher 'AES-256-GCM' initialized with 256 bit key
Thu May 19 20:54:16 2022 Incoming Data Channel: Cipher 'AES-256-GCM' initialized with 256 bit key
Thu May 19 20:54:16 2022 ROUTE_GATEWAY 172.17.0.1/255.255.0.0 IFACE=eth0 HWADDR=02:42:ac:11:00:02
Thu May 19 20:54:16 2022 TUN/TAP device tun0 opened
Thu May 19 20:54:16 2022 TUN/TAP TX queue length set to 100
Thu May 19 20:54:16 2022 /sbin/ip link set dev tun0 up mtu 1500
Thu May 19 20:54:16 2022 /sbin/ip addr add dev tun0 10.8.1.8/24 broadcast 10.8.1.255
Thu May 19 20:54:16 2022 /etc/openvpn/tunnelUp.sh tun0 1500 1585 10.8.1.8 255.255.255.0 init
Up script executed with tun0 1500 1585 10.8.1.8 255.255.255.0 init
Updating TRANSMISSION_BIND_ADDRESS_IPV4 to the ip of tun0 : 10.8.1.8
Using Flood for Transmission UI, overriding TRANSMISSION_WEB_HOME
Updating Transmission settings.json with values from env variables
Using existing settings.json for Transmission /data/transmission-home/settings.json
Overriding bind-address-ipv4 because TRANSMISSION_BIND_ADDRESS_IPV4 is set to 10.8.1.8
Overriding download-dir because TRANSMISSION_DOWNLOAD_DIR is set to /data/completed
Overriding incomplete-dir because TRANSMISSION_INCOMPLETE_DIR is set to /data/incomplete
Overriding rpc-port because TRANSMISSION_RPC_PORT is set to 9091
Overriding watch-dir because TRANSMISSION_WATCH_DIR is set to /data/watch
sed'ing True to true

-------------------------------------
Transmission will run as
-------------------------------------
User name:   root
User uid:    0
User gid:    0
-------------------------------------

STARTING TRANSMISSION
Transmission startup script complete.
Thu May 19 20:54:16 2022 /sbin/ip route add 91.207.172.67/32 via 172.17.0.1
Thu May 19 20:54:16 2022 /sbin/ip route add 0.0.0.0/1 via 10.8.1.1
Thu May 19 20:54:16 2022 /sbin/ip route add 128.0.0.0/1 via 10.8.1.1
Thu May 19 20:54:16 2022 Initialization Sequence Completed

HW/SW Environment

- OS: Ubuntu Server 22.04 LTS running as a Proxmox VM
- Docker: 20.10.12

Anything else?

No response

[pkishino]

Migrate to discussion as not a container bug..
Your config is bad, your LOCAL_NETWORK isn’t set correctly, check your log
adding route to local network 192.168.178.1/24 via 172.17.0.1 dev eth0 Error: Invalid prefix for given prefix length.

[Reasonable-Human]

Yup that was the issue, i didn't realize that was a problem because window's showed the same error but the container still worked. Thanks for the help!