Cisco Cisco Web Security Appliance S190 Guía Del Usuario
A-8
AsyncOS 8.5 for Cisco Web Security Appliances User Guide
Appendix A Troubleshooting
Policy Problems
Problem Using Third-Party Log-Analyzer Tool with W3C Access Logs
If you want to use a third party log analyzer tool to read and parse the W3C access logs, you might need
to include the “timestamp” field. The timestamp W3C field displays time since the UNIX epoch, and
most log analyzers only understand time in this format.
to include the “timestamp” field. The timestamp W3C field displays time since the UNIX epoch, and
most log analyzers only understand time in this format.
Policy Problems
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Also see:
Access Policy not Configurable for HTTPS
With the HTTPS Proxy is enabled, Decryption Policies handle all HTTPS policy decisions. You can no
longer define Access and Routing Policy group membership by HTTPS, nor can you configure Access
Policies to block HTTPS transactions.
longer define Access and Routing Policy group membership by HTTPS, nor can you configure Access
Policies to block HTTPS transactions.
If some Access and Routing Policy group memberships are defined by HTTPS and if some Access
Policies block HTTPS, then when you enable the HTTPS Proxy, those Access and Routing Policy groups
become disabled. You can choose to enable the policies at any time, but all HTTPS related configurations
are removed.
Policies block HTTPS, then when you enable the HTTPS Proxy, those Access and Routing Policy groups
become disabled. You can choose to enable the policies at any time, but all HTTPS related configurations
are removed.
Blocked Object Problems
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Some Microsoft Office Files Not Blocked
When you block Microsoft Office files in the Block Object Type section, it is possible that some
Microsoft Office files will not be blocked.
Microsoft Office files will not be blocked.
If you need to block all Microsoft Office files, add
application/x-ole
in the Block Custom MIME
Types field. However, blocking this custom MIME type also blocks all Microsoft Compound Object
format types, such as Visio files and some third party applications.
format types, such as Visio files and some third party applications.
Blocking DOS Executable Object Types Blocks Updates for Windows OneCare
When you configure the Web Security appliance to block DOS executable object types, the appliance
also blocks updates for Windows OneCare.
also blocks updates for Windows OneCare.