Then put in a NO-RDR rule with a SOURCE alias for the IP of your WSUS server. I do that as well for the devices that do not function properly behind the transparent proxy(smart tv + netflix for example).
Any particular reason you feel the need to SHOUT on this forum? Posting in all capitals is not good etiquette on a forum and I think we're all able to read quite well without capitals or bold text. You could always post an issue on github, that would be the preferred place for a change to OPNsense.
Dear All,Hope someone can help me getting this fixed.We have a OPNsense on a production using IPS and WebProxy with transparent settings.We just noticed that the Update is not working.Can someone please help me getting the Windows update working behind the proxy .I already added the next domains to the whitelist on the proxy server.*.windowsupdate.com*.microsoft.com*.windows.comeverytime I have to get it working, have to disable the proxy and remove the rat rules.is there is a way to get it working ?but it still not working.I hope someone can help out.thank you