Vaz on Nostr: If you are a relay operator and using nginx filtering out empty http_user_agent would ...

If you are a relay operator and using nginx filtering out empty http_user_agent would helped for the time being. b4 thos guy changed it
put this in nginx's server scope
```
server {
server_name my.cool.site;
if ($http_user_agent = "" ) { return 403; }
}
```