IWSVA found that the requested
URL belongs to one of the URL Filtering Categories, and the requesting
user is a member of a policy that disallows that type of content
IWSVA triggered a match
with a user-specified Block List rule
A Block List rule (HTTP > URL Access Control > URL Blocking
| Via Local List) contains a wildcard that triggers unexpected
matches
The URL contains a string
(portion or entire) which matches a keyword specified in the Local List
Match (HTTP > URL Access Control >
URL Blocking | Via Local List).
The URL, domain, or keyword
was specified in an imported Block list that is not immediately visible
from the IWSVA console
A recent virus or filtering
event occurred at the same URL (IWSVA
will block all subsequent requests to the site for a period of four hours)
The site is a known phish
site, hacker site, or "disease vector", and is blocked according
to preferences set in HTTP > URL Access
Control > URL Blocking | Via Pattern File (PhishTrap)
URL is a known spyware site
False positive in the Web
Reputation database (report to Trend Labs)
Incorrect/inappropriate
content in an Imported block list used by URL Blocking or URL Filtering
There is an error in a pattern
file (rollback to last known "good" file)
