When a user accesses the device, the ViewerFrame parameter often dictates how the live feed is refreshed—either through a continuous Motion-JPEG stream or a periodically refreshed JPEG image.

Today, this specific phrase is primarily used in and penetration testing . Because many of these devices were installed decades ago, they often lack modern security protocols like HTTPS or robust password requirements. AXIS 2400 Video Server

It converts up to four analog video streams into high-quality digital images using Motion-JPEG compression.