On 12/23/25 10:18, dap1--- via Mailman-users wrote:
I'm having trouble getting my web frontend working. When I try to access 
http://localhost/mailman3 I get a 503 error and the following in the apache2 
error.log:

[Tue Dec 23 13:08:41.584412 2025] [proxy:error] [pid 132768] (111)Connection 
refused: AH00957: http: attempt to connect to 127.0.0.1:8000 (127.0.0.1:8000) 
failed
[Tue Dec 23 13:08:41.584578 2025] [proxy_http:error] [pid 132768] [client 
2600:1700:5cac:4600:fc36:9a27:6e66:44b:49658] AH01114: HTTP: failed to make 
connection to backend: 127.0.0.1

Is mailman-web running? If so, what is the content of /etc/mailman3/uwsgi.ini if you are using uwsgi or /etc/mailman3/gunicorn.conf if you are using gunicorn?

What do you get from `http://127.0.0.1:8000/mailman3`?

This is the relevant part of apache2's 000-default.conf:

<IfModule mod_proxy.c>
     ProxyPreserveHost On
     ProxyPass "/mailman3" "http://127.0.0.1:8000/mailman3";
     ProxyPass "/archives" "http://127.0.0.1:8000/archives";
     ProxyPass "/accounts" "http://127.0.0.1:8000/accounts";
     ProxyPass "/admin" "http://127.0.0.1:8000/admin";
     ProxyPass "/user-profile" "http://127.0.0.1:8000/user-profile";
</IfModule>

What is a bit confusing but probably unrelated is this is in the virtual 
section for port 80 rather than port 443. I don't see any errors anywhere else.

It needs to be there to support http://localhost/mailman3, but for https://localhost/mailman3, it needs to be in the port 443 section.

--
Mark Sapiro <[email protected]>        The highway is for gamblers,
San Francisco Bay Area, California    better use your sense - B. Dylan

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