WebSocket & RewriteEngine On

[Rescue9]

SYSTEM INFORMATION
OS type and version	Debian Linux 12
Webmin version	2.621
Virtualmin version	8.0.0 Professional
Webserver version	Apache 2.4.66
Related packages	N/A

Per this thread, there was a bug preventing the RewriteEngine on directive from being written when it should. I just created a new domain with websocket proxying and the SSL config file is still missing RewriteEngine on. Adding it myself fixes the websocket proxying issue.

[Jamie]

Thanks for reporting this! What actions in the UI or API commands did you use to create the domain and enable websockets proxying?

[Rescue9]

I created a new VS from scratch via the following actions:

1. Create Virtual Server; Only DNS and Apache checked
2. Web Configuration → Proxy Paths: Local = / Destination = http://localhost:8448 Proxy Socket = Yes
3. Configure Apache SSL Website → Edit Directives: In addition to the directory information, the following is shown;

ProxyPass /.well-known !
ProxyPass / http://localhost:8448
RemoveHandler .php
RemoveHandler .php8.4
SSLEngine on
SSLCertificateFile /etc/ssl/virtualmin/17699474672762180/ssl.combined
SSLCertificateKeyFile /etc/ssl/virtualmin/17699474672762180/ssl.key
SSLProtocol all -SSLv2 -SSLv3 -TLSv1 -TLSv1.1
ProxyPassReverse / http://localhost:8448
RewriteCond %{HTTP:UPGRADE} ^WebSocket$ [NC]
RewriteCond %{HTTP:CONNECTION} Upgrade [NC]
RewriteRule ^/?(.*) "ws://localhost:8448/$1" [P]

RewriteEngine on is missing.

[Ilia]

Thanks for reporting this! It’s definitely a bug.

You can find a fix in this patch:

webmin patch https://github.com/virtualmin/virtualmin-gpl/commit/732f4a3

[Rescue9]

Appreciate the quick response. You all have a great week!
Update: Patched, then setup a new proxy with websocket. Patch worked wonderfully. Thanks guys!