Coyote Point Systems Equalizer Spezifikationen PDF herunterladen (Seite 335)

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101

connection.

Ignore Case

This function always evaluates to true, and is intended to be used to apply the

Ignore Caseflag for comparisons when it is not set on the cluster. When this

function is ANDed with other functions, it has the effect of forcing case to be

ignored for any comparisons done by the match rule.

Insert Client IP (HTTPS only)

When this flag is enabled, Equalizer inserts an X-forwarded-for:header with

the client's IP address into all client requests before they are sent to the server.

This flag is disabled by default for HTTP clusters and enabled by default for

HTTPS clusters.

Once Only

Limits Equalizer to parsing headers (and executing match rules) for only the

first request of any client making multiple requests across a single TCP

connection. This option is off by default: meaning that Equalizer will parse the

headers of every client request.

Disable

Enable this flag to disable this match rule without deleting it. This can be useful

when testing new match rules.

TCP Multiplexing

Enables TCP multiplexing for a cluster. TCP multiplexing must also be enabled on

at least one server instance in the server pool assigned to the cluster (or one of

its match rules).

9. The ordering of match rules is important, as they are processed from first to last until one of them evaluates

true

, at which time the match body is processed. The initial match expression of a new rule, any() is one

that will always evaluate to

true

, meaning that this match rule will always be selected. It is good practice to

be cautious when adding new match rules to ensure that all the traffic to a cluster does not get mishandled.

Use the Disable flag to skip a match rule that is still being developed.

10. Click on the Commit button to Commit the parameter selections.

To add a match rule to a Layer 7 cluster using the CLI follow this general procedure:

1. Log into the CLI using a login that has add/del access for the cluster. (See "Starting the CLI" on page 128.)

2. At the eqcli prompt enter the cluster name followed by "match

maname"

. In the example below a Match

Rule test is added to the Layer 7 cluster Sp-fe_http.

Match Rule Name : test

Next Match Rule : ma01

Cluster Name : SP-fe_http

Server Pool :

Responder :

Cookie Path :

Cookie Domain :

Cookie Scheme : 0

Cookie Age : 0

Cookie Generation : 0

Flags : disable

Expression :

any()

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Equalizer Administration Guide

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