299 Miscellaneous Persistent Warning
HTTP Warning status code 299 Miscellaneous Persistent Warning is an unofficial HTTP status code, but instead is used in combination with the Warning HTTP Header and included with HTTP response messages to present information to the client for display or logging. This is similar to HTTP Warning status code 199 Miscellaneous Warning but further specifies that the warning is persistent.
Note
The HTTP status code 299 Miscellaneous Persistent Warning and the Warning HTTP header have been deprecated.
Example
Warning: 299 www.example.re "Random persistent message"
See also
Last updated: August 2, 2023