Cisco Cisco Web Security Appliance S370 Release Notes

You can use Kerberos authentication with these operating systems and browsers:

Windows servers 2003, 2008, 2008R2 and 2012

Latest releases of Safari and Firefox browsers on Mac (OSX Version 10.5+)

IE (Version 7+) and latest releases of Firefox and Chrome browsers on Windows 7 and XP.

Kerberos authentication is not available with these operating systems and browsers:

Windows operating systems not mentioned above

Browsers not mentioned above

iOS and Android

To deploy a virtual appliance, see the Cisco Content Security Virtual Appliance Installation Guide, 
available from 

. 

There is no migration path from hardware appliances to this release. 

Generally, configuration files from earlier AsyncOS releases are incompatible with later AsyncOS 
releases and vice-versa.  

The following information supplements information in the Online Help and/or User Guide for this release

This is a KVM issue. For more information, see 

and 

https://bugs.launchpad.net/qemu/+bug/1329956. 

Check the following: 

cat /sys/module/kvm_intel/parameters/enable_apicv 

If the above value is set to Y: 

Stop your virtual appliances and reinstall the KVM kernel module: 

rmmod kvm_intel