I'm testing out a new Watchguard XTM 505 with Fireware XTM Pro v11.2.1 and I've got it almost completely configured and running properly except for a few things. It comes with a content filter called WebBlocker which runs on an HTTP proxy policy set on the firewall. Now the default deny message when a website is blocked looks god awful, but is written in HTML and is fully customizable.
I suck at web design so I am looking for similar "access denied", "website blocked", etc. web pages in HTML to get ideas from. Or if anyone else has made a custom deny message in a Watchguard device would like to share it, that would be great. Just looking for a little help making this portion of Watchguard as appealing to the eye as their website.