Setting filter rules, Adding filter rules – Intel 1520 User Manual

Page 84

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Intel NetStructure Cache Appliance Administrator’s Guide

To set the inactivity timeout (the length of time the appliance waits for a
response from the FTP server before abandoning the user’s request for
data), select inactivity, and press Enter. Doing so causes a field to
appear with the current setting displayed. Supply the new value and
press Enter. Press CTRL-X to save your changes and return to the
previous screen.

To set the anonymous password for FTP servers that require a password
for access, select password, and press Enter. Doing so causes a field to
appear with the current password displayed. Supply the new value and
press Enter. Press CTRL-X to save your changes and return to the
previous screen.

Setting filter rules

The appliance uses filter rules to deny or allow particular URL requests and keep
or strip header information. When a URL request is allowed, the appliance will
cache and serve the requested document. When a request is denied, the client
receives an

access denied

message.

You can add, delete, and view filter rules.

▼ Adding filter rules

1

Select the config menu, and press Enter.

2

Select protocols, and press Enter.

3

Select filter, and press Enter.

4

Select add rules, and press Enter.

5

Enter a filter rule, and press Enter.

6

Press CTRL-X to save the rule and return to the previous screen.

Each rule must have the following format:

Note

You can use more than one secondary specifier in a rule. However, you
cannot repeat a secondary specifier.

The following table lists the primary destination tags and their allowed
values:

primary destination=value secondary specifier=value action=value

Primary Destination

Allowed Value

dest_domain

Requested domain name

dest_host

Requested host name

dest_ip

Requested IP address

url_regex

Regular expression to be found in a URL

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