I tried a rewrite to make the links of xenforo not unusable, here is the result.
To write a permanent rewrite i used the following help: Set up Let’s Encrypt with multiple domains / redirects as well as that of @pfaffman
hooks:
...
after_ssl:
- replace:
filename: "/etc/nginx/conf.d/discourse.conf"
from: /#\s*auth_basic_user_file\s*.*;/
to: |
# auth_basic_user_file /etc/nginx/htpasswd;
location /threads/ {
rewrite ^/threads/(.*)\.\d+/?$ /t/$1 permanent;
}