Configure reverse proxy for windows update

Question

Hello,

We have the following scenario :

We have multiple windows servers in our infrastructure which needs to get updates from Microsoft but they don't have internet connection

We have deployed a reverse proxy(nginx) and in it's config we have defined a path "wsus.local" which we want to point to some online windows update location to avoid deploying a wsus in our infrastructure.

Unfortunately it is not working.....we modified the config like : gpedit ->Computer Configuration -> Windows Componenets -> Windows Update -> Configure Automatic Updates -> Specify Intranet Microsoft update service location, and also setting a proxy with netsh.

We should mention that if we are using our own wsus , it is working.

Nginx config(we tried every server mentioned without luck) :

upstream wsus_backend {

server x.x.x.x:8530; 

server windowsupdate.microsoft.com:80;

server download.windowsupdate.com:80;

server download.microsoft.com:80;

server wustat.windows.com:80;

server ntservicepack.microsoft.com:80;

server go.microsoft.com:80;

server dl.delivery.mp.microsoft.com:80;

}

Our question is : It is even possible what we are trying to achieve?

Thanks in advance

* Moved from Windows/other

Answer 1

Hello there, I'm Gopal an Independent Advisor. I will try my best to help you.

I apologize, Community is just a consumer forum, due to the scope of your question( Windows server updates), can you please post this question to our sister forum on Microsoft Q&A: https://learn.microsoft.com/en-us/answers/

Windows server forum: https://answers.microsoft.com/en-us/windowserver

This platform is specifically designed for IT administrators and professionals, providing a better chance of receiving a knowledgeable and prompt response to your query.

Regards,

Gopal

Answer 2

Hello, I will help with your problem as a support member.

Can you share the following command result?

Your netsh command may be incorrect.

• netsh winhttp show proxy

Also, can you share the nginx log file?

I would like to investigate the reason for the connection failure from the logs.

Best regards,

Yu

Answer 3

Hi,

netsh winhttp show proxy :

Current WinHTTP proxy settings:

Direct access (no proxy server). 

Logs from nginx :

tcp-access

============

x.x.x.x TCP 200 4228 0 0.301 "20.72.235.82:443" "181" "4228" "0.148"

=============

tcp-error :

=============

[info] 22#22: *13 client x.x.x.x:49975 connected to 0.0.0.0:443

[info] 22#22: *13 proxy 172.20.0.3:37958 connected to 20.72.235.82:443

[info] 22#22: *13 client disconnected, bytes from/to client:0/4228, bytes from/to upstream:4228/181

nginx config :

  map $ssl_preread_server_name $name { wsus.local wsus_backend;}

  upstream wsus_backend { server windowsupdate.microsoft.com:443;}