Cisco Cisco Email Security Appliance C380 User Guide
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Cisco AsyncOS 8.5.5 for Email Security User Guide
Chapter 15 URL Filtering
Troubleshooting URL Filtering
Unable to Connect to Cisco Web Security Services
Problem
The Security Services > URL Filtering page persistently indicates an issue connecting to
Cisco Web Security Services.
Solution
•
If you have enabled URL filtering but have not yet committed the change, commit the change.
•
Check for recent alerts related to the connection with Cisco Web Security Services. See
and
.
•
If you are connecting via a proxy specified in Security Services > Service Updates, verify that this
is configured and working properly.
is configured and working properly.
•
Check for other network issues that might prevent connection.
•
If you see errors in the mail logs related to timed out requests to the SDS client, use the
websecuritydiagnostics
command and the
websecurityadvancedconfig
command in the
command-line interface to investigate and make changes:
–
If the diagnostics show that Response Time or DNS Lookup Time is not less than the configured
URL Lookup Timeout, increase the URL Lookup Timeout value accordingly.
URL Lookup Timeout, increase the URL Lookup Timeout value accordingly.
–
If the diagnostics show that the cache size is at or near the capacity specified in the advanced
configuration settings, increase the cache size.
configuration settings, increase the cache size.
•
Check the mail logs for non-timeout errors in communications with the URL scanner, Cisco Web
Security Services, or SDS. "SDS" in logs represents Cisco Web Security Services. If you see such
log messages, contact TAC.
Security Services, or SDS. "SDS" in logs represents Cisco Web Security Services. If you see such
log messages, contact TAC.
Using the websecurityadvancedconfig Command
Except for changes explicitly described in this document, make no other changes using the
websecurityadvancedconfig
command without guidance from TAC.
Message Tracking Search Does Not Find Messages with Specified Category
Problem
Messages that contain URLs in a particular category are not found when searching by that
category.
Solution
See
Malicious URLs and Marketing Messages Are Not Caught by Anti-Spam or
Outbreak Filters
Outbreak Filters
Problem
Malicious URLs and messages containing marketing links are not caught by the anti-spam or
outbreak filters.
Solution