NginxProxyManager / NginxProxyManager/nginx-proxy-manager

NTLM support

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enhancement
Dominant language
TypeScript
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Description

Is your feature request related to a problem? Please describe.

Is there any way to support NTLM to allow forwarding windows authentication to IIS ?

Describe the solution you'd like

I know there is paid version of NGINX, I have Ngnix proxy manager all set up, and one of my sites behind it allows windows authentication through NTLM. When I disable to proxy and forward traffic to server itself , it is working as supposed. I found some information that it is due to not keeping keepalive connection opened. Is there any chance of using advanced nginx tab to get this working ? I also found some unofficial plugin for NTLM, https://github.com/gabihodoroaga/nginx-ntlm-module however injecting this to the docker image is beyond my skills.

Thanks

Describe alternatives you've considered

Additional context

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reviewing Nginx Proxy Manager’s advanced Nginx configuration and Docker image setup, then examine the referenced nginx-ntlm-module and the reported keepalive requirement. Done means a documented, supported way to proxy NTLM authentication to IIS, or a confirmed implementation path that works through the managed proxy.

Written by the indexing model from the issue text.

Assessment

Tech stack
docker, nginx
Domain
authentication, backend
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
42/100

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