When scanning a complete website, some URLs may result in a standard HTTP error response code,
and other URLs may simply error in different manner, e.g. through connect or read timeout. Some examples are
500 : Internal Server Error,
503 : Service Temporarily Unavailable and
-4 : CommError.
The latter is when complete connection failure happens, e.g. caused by
firewalls.
Some common solutions are:
Fix and solve the problem at server and/or sitemap website crawler configuration. For more information, read our article about fixing
website crawling issues.
Use
resume scan
functionality.
When resuming a website scan, all URLs with some kind of error reponse code will be rechecked.
Online Store
