Cisco Cisco Web Security Appliance S170 Guía Del Usuario
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AsyncOS 10.0 for Cisco Web Security Appliances User Guide
Chapter 2 Connect, Install, and Configure
Gathering Setup Information
Step 3
(Optional) To monitor Layer-4 traffic, connect the Appliance to a TAP, switch, or hub after the proxy
ports and before any device that performs network address translation (NAT) on client IP addresses:
ports and before any device that performs network address translation (NAT) on client IP addresses:
Step 4
Connect external proxies upstream of the appliance to allow the external proxies to receive data from
the appliance.
the appliance.
What to Do Next
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Related Topics
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Adding and Editing a WCCP Service, page 2-26
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Gathering Setup Information
You can use the worksheet below to record the configuration values you will need while running the
System Setup Wizard. For additional information about each property, see
System Setup Wizard. For additional information about each property, see
Ethernet Port
Notes
T1/T2
To allow Layer-4 Traffic Monitor blocking, put Layer 4 Traffic Monitor on the same
network as the Web Security appliance.
network as the Web Security appliance.
Recommended configuration:
Device: Network TAP:
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Connect T1 to network TAP to receive outbound client traffic.
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Connect T2 to network TAP to receive inbound internet traffic.
Other options:
Device: Network TAP:
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Use duplex cable on T1 to receive inbound and outbound traffic.
Device: Spanned or mirrored port on a switch
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Connect T1 to receive outbound client traffic and connect T2 to receive inbound
internet traffic.
internet traffic.
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(Less preferred) Connect T1 using a half or full duplex cable to receive both
inbound and outbound traffic.
inbound and outbound traffic.
Device: Hub:
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(Least preferred) Connect T1 using a duplex cable to receive both inbound and
outbound traffic.
outbound traffic.
The appliance listens to traffic on all TCP ports on these interfaces.