Translate uitzondering from Dutch to English

– An abnormal condition or error that occurs during the execution of a program. An exception requires the execution of software outside the normal flow of control. ¹

– An instruction that tells Windows Firewall to open a port briefly, allow a program or service to pass a specific piece of information through, and then close the port. These instructions are called "exceptions" because normally the firewall blocks all unsolicited attempts to send information. ¹