What is a preflight profile?
What is a preflight profile? A preflight profile includes one or more checks, fixups, or both checks and fixups. Each check includes one or more property statements that validate the PDF content. Preflight shows an error only if all the property statements in the check are in error.
How long does a preflight last?
Asking yourself When was the aircraft last flown, who flew it last, where has the aircraft been stood since? may indicate additional checks need to be made, or certain area looked at more closely. But generally, I would say the standard is not as it should be. External pre-flight - normally around 5-10 minutes.
Is preflight request necessary?
So why are preflight requests necessary? Well, they help prevent cross-site scripting (XSS) attacks, which are a type of security vulnerability that allows an attacker to inject malicious scripts into a web page.