McAfee SG310, Administration Manual

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140 McAfee UTM Firewall 4.0.4 Administration Guide
Network Setup menu options
Web cache
3
Enter the URL for an ICAP server's REQMOD service in the ICAP REQMOD server field. The URL must
begin with icap://. For example:
icap://192.168.0.10:1344/reqmod
4
Enter the URL for an ICAP server's RESPMOD service in the ICAP RESPMOD server field. The URL must
begin with icap://. For example:
icap://192.168.0.10:1344/respmod
5
[Recommended] To bypass an unresponsive ICAP server, select the Bypass ICAP server if
uncontactable checkbox. If the ICAP server is not responding to requests, Web transactions are allowed
as normal. If this option is disabled, all Web transactions are blocked until the ICAP server becomes
contactable.
6
Click Submit.
Configuring advanced settings for the Web cache
1
Under the Network Setup menu, click Web Cache, select the Advanced tab, and then select the
Advanced tab. The Advanced Configuration page appears (
Figure 147 ).
Figure 147 Web Cache page Advanced tab
2
In the Port field, specify the TCP network port the Web cache listens on, which is usually
3128
or
8080
.
• Default: 3128.
3
[Optional] To display extra information in addition to the usual cache log file in the system log, select the
Extra diagnostic output checkbox.
4
Objects larger than the Maximum cached object size (KB) are not cached. To get a high bytes hit
ratio, increase the cache size (one 32 MB object hit counts for 3200 10 KB hits). To increase speed at the
expense of bandwidth, leave this setting low.
• Default: 250
• Integer value