Transmission WebUI 409 in Docker Container

So, I’ve set up a docker container on my server host to act as a transmission-daemon seedbox. I installed openssh and transmission-daemon on the official Ubuntu 14.04 container. I forwarded port 9091 on the container to the host so I could access the container remotely, and I set up transmission-daemon with the following settings.json file:

    "alt-speed-down": 50,
    "alt-speed-enabled": false,
    "alt-speed-time-begin": 540,
    "alt-speed-time-day": 127,
    "alt-speed-time-enabled": false,
    "alt-speed-time-end": 1020,
    "alt-speed-up": 50,
    "bind-address-ipv4": "",
    "bind-address-ipv6": "::",
    "blocklist-enabled": false,
    "blocklist-url": "",
    "cache-size-mb": 4,
    "dht-enabled": true,
    "download-dir": "/root/transmission/complete",
    "download-limit": 100,
    "download-limit-enabled": 0,
    "download-queue-enabled": true,
    "download-queue-size": 5,
    "encryption": 1,
    "idle-seeding-limit": 30,
    "idle-seeding-limit-enabled": false,
    "incomplete-dir": "/root/transmission/incomplete",
    "incomplete-dir-enabled": true,
    "lpd-enabled": false,
    "max-peers-global": 200,
    "message-level": 2,
    "peer-congestion-algorithm": "",
    "peer-id-ttl-hours": 6,
    "peer-limit-global": 200,
    "peer-limit-per-torrent": 50,
    "peer-port": 51413,
    "peer-port-random-high": 65535,
    "peer-port-random-low": 49152,
    "peer-port-random-on-start": false,
    "peer-socket-tos": "default",
    "pex-enabled": true,
    "port-forwarding-enabled": false,
    "preallocation": 1,
    "prefetch-enabled": 1,
    "queue-stalled-enabled": true,
    "queue-stalled-minutes": 30,
    "ratio-limit": 2,
    "ratio-limit-enabled": false,
    "rename-partial-files": true,
    "rpc-authentication-required": true,
    "rpc-bind-address": "",
    "rpc-enabled": true,
    "rpc-password": "{0477ada0ba97374d44fc4e78a5328dc32107ed26yYyN9qwZ",
    "rpc-port": 9091,
    "rpc-url": "/transmission/",
    "rpc-username": "transmission",
    "rpc-whitelist": "*.*.*.*",
    "rpc-whitelist-enabled": false,
    "scrape-paused-torrents-enabled": true,
    "script-torrent-done-enabled": false,
    "script-torrent-done-filename": "",
    "seed-queue-enabled": false,
    "seed-queue-size": 10,
    "speed-limit-down": 100,
    "speed-limit-down-enabled": false,
    "speed-limit-up": 100,
    "speed-limit-up-enabled": false,
    "start-added-torrents": true,
    "trash-original-torrent-files": false,
    "umask": 2,
    "upload-limit": 100,
    "upload-limit-enabled": 0,
    "upload-slots-per-torrent": 14,
    "utp-enabled": true

Whenever I connect to the server via http://ip_addr:9091/transmission/web/ or http://ip_addr:9091/transmission/ I get the following error:

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  • 409: Conflict

    Your request had an invalid session-id header.

    To fix this, follow these steps:

    When reading a response, get its X-Transmission-Session-Id header and
    remember it Add the updated header to your outgoing requests When you
    get this 409 error message, resend your request with the updated
    header This requirement has been added to help prevent CSRF attacks.


    Any ideas what I can do to solve this? Thanks!

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