OPNsense Forum

English Forums => 26.7 Series => Topic started by: SaltyBishop on September 08, 2026, 12:33:42 AM

Title: WebUI SSL issue following 26.7 upgrade
Post by: SaltyBishop on September 08, 2026, 12:33:42 AM
Hello

Sharing in case anyone else has a similar issue.

Following my upgrade to 26.7 (26.7.1_1), I was unable to access the web UI due to an invalid SSL certificate/configuration. The error was: SSL_ERROR_INTERNAL_ERROR_ALERT (Firefox) and ERR_SSL_PROTOCOL_ERROR (Chrome).

I just wanted to share how I fixed this. The steps I followed are very simple - available here (https://docs.opnsense.org/troubleshooting/webgui.html).

Essentially:


Big thanks to the project, I love what you're doing! This is the first time I've had to intervene since I dropped Sophos UTM!