Installation guide

Trend Micro™ InterScan™ Web Security Virtual Appliance 6.5 Installation Guide
2-14
During the installation, ensure that the check box that enables transparency to support
this deployment mode is checked.
Using a WCCP-enabled Switch or Router
IWSVA supports WCCP v2.0 and forwarding methods based on GRE and L2 (layer 2).
When using WCCP transparency, FTP downloads are also scanned. With the ability to
support WCCP v2.0, IWSVA is able to participate in a cluster of IWSVA devices to
provide a load balancing WCCP Web security platforms.
Advantages of using WCCP:
• Transparency for the client side
•Scalable
Limitations of using WCCP:
• Cisco proprietary
T ABLE 2-2. Using a Layer 4 Switch
A DVANTAGES L IMITATIONS
Transparent to clients Traffic interception must be port-based
(not protocol-based) for one port. If the
non-standard port is used for HTTP, it
bypasses the switch.
Simple to establish The switch-based redirection cannot be
used for the FTP traffic.
No LDAP support