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[GH-ISSUE #2304] Unable to login to Admin UI #1633

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opened 2026-02-26 07:31:51 +03:00 by kerem · 5 comments

kerem commented

2026-02-26 07:31:51 +03:00

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Originally created by @skirven4 on GitHub (Oct 4, 2022).
Original GitHub issue: https://github.com/NginxProxyManager/nginx-proxy-manager/issues/2304

Checklist

Have you pulled and found the error with jc21/nginx-proxy-manager:latest docker image?
- Yes
Are you sure you're not using someone else's docker image?
- Yes
Have you searched for similar issues (both open and closed)?
- Yes

Describe the bug

On version 2.9.18, I am unable to login to the NPM UI. Yes, I can downgrade to 2.9.14 and get it to work, sort of.

Nginx Proxy Manager Version

2.9.18

To Reproduce
Steps to reproduce the behavior:

Go to the login page at http://:81
Enter your Username and Password
The login just comes back with either "Bad Gateway" in red text, or simply will not login.
Check the logs in your file system path ./data/logs/fallback_error.log

2.168.0.196, server: nginxproxymanager, request: "POST /api/tokens HTTP/1.1", upstream: "http://127.0.0.1:3000/tokens", host: "nettools.local:81", referrer: "http://nettools.local:81/login"

Expected behavior

User should be able to login to the system

Screenshots

Operating System

Raspian OS

Additional context

I find this token api error strange. I'm also getting a "Bad Gateway" nginx message on url :81/api, as I tried that after finding an older issue that seemed similar. I also rebuilt my docker-compse.yml. Additionally, the port 3000 is not open in my installation, either at the host, or inside the container.

version: "3"
services:
  app:
    image: 'jc21/nginx-proxy-manager:2.9.18'
    restart: unless-stopped
    ports:
      # These ports are in format <host-port>:<container-port>
      - '80:80' # Public HTTP Port
      - '443:443' # Public HTTPS Port
      - '81:81' # Admin Web Port
      - '8089:8089'
      - '57000:57000'
      # Add any other Stream port you want to expose
      # - '21:21' # FTP

    # Uncomment the next line if you uncomment anything in the section
    # environment:
      # Uncomment this if you want to change the location of 
      # the SQLite DB file within the container
      # DB_SQLITE_FILE: "/data/database.sqlite"

      # Uncomment this if IPv6 is not enabled on your host
      # DISABLE_IPV6: 'true'

    volumes:
      - ./data:/data
      - ./letsencrypt:/etc/letsencrypt

Originally created by @skirven4 on GitHub (Oct 4, 2022). Original GitHub issue: https://github.com/NginxProxyManager/nginx-proxy-manager/issues/2304  **Checklist** - Have you pulled and found the error with `jc21/nginx-proxy-manager:latest` docker image? - Yes - Are you sure you're not using someone else's docker image? - Yes - Have you searched for similar issues (both open and closed)? - Yes **Describe the bug**  On version 2.9.18, I am unable to login to the NPM UI. Yes, I can downgrade to 2.9.14 and get it to work, sort of. **Nginx Proxy Manager Version**  2.9.18 **To Reproduce** Steps to reproduce the behavior: 1. Go to the login page at http://<server>:81 2. Enter your Username and Password 3. The login just comes back with either "Bad Gateway" in red text, or simply will not login. 4. Check the logs in your file system path ./data/logs/fallback_error.log `2.168.0.196, server: nginxproxymanager, request: "POST /api/tokens HTTP/1.1", upstream: "http://127.0.0.1:3000/tokens", host: "nettools.local:81", referrer: "http://nettools.local:81/login" ` **Expected behavior**  User should be able to login to the system **Screenshots**  **Operating System**  Raspian OS **Additional context**  I find this token api error strange. I'm also getting a "Bad Gateway" nginx message on url <host>:81/api, as I tried that after finding an older issue that seemed similar. I also rebuilt my docker-compse.yml. Additionally, the port 3000 is not open in my installation, either at the host, or inside the container. ``` version: "3" services: app: image: 'jc21/nginx-proxy-manager:2.9.18' restart: unless-stopped ports: # These ports are in format <host-port>:<container-port> - '80:80' # Public HTTP Port - '443:443' # Public HTTPS Port - '81:81' # Admin Web Port - '8089:8089' - '57000:57000' # Add any other Stream port you want to expose # - '21:21' # FTP # Uncomment the next line if you uncomment anything in the section # environment: # Uncomment this if you want to change the location of # the SQLite DB file within the container # DB_SQLITE_FILE: "/data/database.sqlite" # Uncomment this if IPv6 is not enabled on your host # DISABLE_IPV6: 'true' volumes: - ./data:/data - ./letsencrypt:/etc/letsencrypt ```

kerem

2026-02-26 07:31:51 +03:00

closed this issue
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kerem commented

2026-02-26 07:31:51 +03:00

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@pennyloafers commented on GitHub (Feb 10, 2023):

having this same issue, on a fresh install it works fine, but i found that any change to the docker network of nginx causes this issue and it is not resolved by undoing network changes.

@pennyloafers commented on GitHub (Feb 10, 2023): having this same issue, on a fresh install it works fine, but i found that any change to the docker network of nginx causes this issue and it is not resolved by undoing network changes.

kerem commented

2026-02-26 07:31:51 +03:00

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@pennyloafers commented on GitHub (Feb 11, 2023):

So looking at the docker log in the container, I found an issue with certbot.

[2/11/2023] [3:43:13 AM] [Global   ] › ✖  error     Command failed: pip install certbot-dns-cloudflare==$(certbot --version | grep -Eo '[0-9](\.[0-9]+)+') cloudflare

going into container and resolving the install errors by getting a few dependencies to get a successful install, restarting the container i'm now able to login again.

@pennyloafers commented on GitHub (Feb 11, 2023): So looking at the docker log in the container, I found an issue with certbot. ``` [2/11/2023] [3:43:13 AM] [Global ] › ✖ error Command failed: pip install certbot-dns-cloudflare==$(certbot --version | grep -Eo '[0-9](\.[0-9]+)+') cloudflare ``` going into container and resolving the install errors by getting a few dependencies to get a successful install, restarting the container i'm **now** able to login again.

kerem commented

2026-02-26 07:31:51 +03:00

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@johncaipa commented on GitHub (Apr 12, 2023):

I have solved it by entering the mysql container shell and executing the following:
sudo chown -R mysql:mysql /usr/local/mysql/
sudo chmod -R 755 /usr/local/mysql/

@johncaipa commented on GitHub (Apr 12, 2023): I have solved it by entering the mysql container shell and executing the following: sudo chown -R mysql:mysql /usr/local/mysql/ sudo chmod -R 755 /usr/local/mysql/

kerem commented

2026-02-26 07:31:51 +03:00

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@github-actions[bot] commented on GitHub (Feb 8, 2024):

Issue is now considered stale. If you want to keep it open, please comment 👍

@github-actions[bot] commented on GitHub (Feb 8, 2024): Issue is now considered stale. If you want to keep it open, please comment :+1:

kerem commented

2026-02-26 07:31:51 +03:00

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@github-actions[bot] commented on GitHub (Mar 24, 2025):

Issue was closed due to inactivity.

@github-actions[bot] commented on GitHub (Mar 24, 2025): Issue was closed due to inactivity.

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starred/nginx-proxy-manager-NginxProxyManager#1633

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