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8-4

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

OL-26645-01

Chapter 8 Configuring Parameter Maps

Configuring HTTP Parameter Maps

Step 5 Do the following:

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

• Click Cancel to exit this procedure without accepting your entries and to return to the Parameter

Maps table.

Enable Non Strict on Parsing

Error

Check this check box to configure the ACE to allow the presence of a CRLF in the header

before the header name, which is inserted for header name continuation purposes.

Normally, the ACE considers a CRLF in the header a parse error. When you enable this

feature and the ACE encounters a CRLF in the header, the ACE ignores the parse error

and allows the Layer 7 connection.

Clear the check box to disable this feature and configure the ACE to not allow a CRLF in

the header. When the ACE encounters a CRLF, it considers it a parsing error and reacts

according to how you set the Enable Drop on Parsing Error field. This is the default

setting.

Content Max. Parse Length

(Bytes)

Enter the maximum number of bytes to parse in HTTP content. Valid entries are integers

from 1 to 65535, with a default of 4096.

Header Max. Parse Length

(Bytes)

Enter the maximum number of bytes to parse for the total length of cookies, HTTP

headers, and URLs. Valid entries are integers from 1 to 65535 with a default of 4096.

Secondary Cookie Delimiters Enter the ASCII-character delimiters to be used to separate cookies in a URL string. Valid

entries are unquoted text strings with no spaces and a maximum of 4 characters. The

default delimiters are /&#+.

MIME Type To Compress In the field on the left, enter the Multipurpose Internet Mail Extension (MIME) type to

compress, and then click Add. The MIME type appears in the column on the right. To

remove or change a MIME type, select it in the column on the right, and then click

Remove. The selected MIME type appears in the field on the left where you can modify

or delete it.

To specify the sequence in which compression is to be applied, select MIME types in the

column on the right, and then click Up or Down to arrange the MIME types.

Supported MIME Types, page 8-25 lists the supported MIME types. You can use an

asterisk (*) to indicate a wildcard, such as

text/*, which would include all text MIME

types (text/html, text/plain, and so on).

User Agent Not To Compress A user agent is a client that initiates a request. Examples of user agents include browsers,

editors, and other end-user tools. When you specify a user agent string in this field, the

ACE appliance does not compress the response to a request when the request contains the

matching user agent string.

In the field on the left, enter the user agent string to be matched, and then click Add. The

string appears in the column on the right. To remove or change a user agent string, select

it in the column on the right, and then click Remove. The selected string appears in the

field on the left where you can modify or delete it.

To specify the sequence in which strings are to be matched, select strings in the column

on the right, and then click Up or Down to arrange the strings in the desired sequence.

Valid entries are 64 characters.

Min. Size To Compress (Bytes) Enter the threshold at which compression is to occur. The ACE appliance compresses files

that are the minimum size or larger. Valid entries are integers from 1 to 4096 bytes.

Table 8-2 HTTP Parameter Map Attributes (continued)

Field Description

1 2 ... 297 298 299 300 301 302 303 304 305 306 307 ... 647 648

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