[Moin-user] Suddenly: 501 Method Not Implemented failures

[Thomas Waldmann]

> The "Save Changes", "Preview", "GUI Mode", and "Cancel", from the text 
> edit page all get a moin reply page with
> The failure looks like a failure of apache to POST data,

Indeed.

> 501 Method Not Implemented
> POST to /jnosd/HostConfiguration not supported

> and the error log calls out ModSecurity Access denied...Pattern Match.

Well, looks like you either have to disable mod_security or check those 
patterns. Looks like a false positive.