I have an issue where our Watchguard X700 blocks a file download with the following error:
WatchGuard firewall: Response denied from http://10.67.1.55:80/felixo_ui_misc/process_documents.aspx
: Content type required
(The IP has been changes to hide identity).
This is when we choose to download a pdf document from our test web site via a link. Our identical production server does not give this message and all is well, through the same firewall.
Can anyone guide me to where this problem might be as both server should be configured the same and the web pages should be the same too? A web server problem or a firewall problem?