Cisco Explorer 4700 Installation Guide download pdf (Page 190)

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Device Manager Guide, Cisco ACE 4700 Series Application Control Engine Appliance

OL-26645-02

Chapter 5 Configuring Virtual Servers

Configuring Virtual Servers

For more information about SSL, see the “Configuring SSL” section on page 9-1.

Step 11 In the Insert HTTP Headers field, enter the name of the HTTP header and the value to be matched using

the format header_name=header_value where:

• header_name represents the name of the HTTP header to insert in the client HTTP request. Valid

entries are unquoted text strings with no spaces and a maximum of 64 alphanumeric characters. You

can specify predefined header or any custom header name provided that it does not exceed the

maximum length limit.

• header_value represents the expression string to compare against the value in the specified field in

the HTTP header. Valid entries are text strings with a maximum of 255 alphanumeric characters.

The ACE appliance supports regular expressions for matching. Header expressions allow spaces,

provided that the spaces are escaped or quoted. All headers in the header map must be matched.

Table 12-33 lists the supported characters that you can use in regular expressions.

For example, you might enter

Host=www.cisco.com.

Step 12 Do the following:

• Click OK to save your entries and to return to the Rule Match table.

• Click Cancel to exit this procedure without saving your entries and to return to the Rule Match table.

Step 13 If you are adding Rule Match entries for a new virtual server and you want to modify the sequence of

rules in the L7 Load Balancing section of the Virtual Server configuration page, click Up or Down to

change the order of the entries in the Rule Match table.

Note The Up and Down buttons are not available for an existing virtual server, only for a new virtual

server. To reorder the entries in the Rule Match table for an existing virtual server, go to Config

> Expert > Policy Maps and choose the Layer 7 load balancing policy map, delete the rule entry

that you want to reorder, and then add it again by using the Insert Before option to put it in the

correct order. See the “Configuring Rules and Actions for Policy Maps” section on page 12-36

for details.

Step 14 When you finish configuring virtual server properties, do the following:

• Click Deploy Now to deploy this configuration on the ACE appliance.

• Click Cancel to exit this procedure without saving your entries.

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Cisco Explorer 4700 Installation Guide Page 190

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