Alteon Application Switch Operating System Application Guide
Server Load Balancing
258 Document ID: RDWR-ALOS-V2900_AG1302
— Port—The port used in the URL. The default value is 0, implying a match for cases when the
port is not explicitly specified in the URL. This means the default port for the specified
protocol (80 for HTTP, 443 for HTTPS) is used. Another example is when the default port
appears explicitly in the URL.
When the port is 0 for both match and action, this implies that the port parameter is not
checked (the rule is matched regardless of the port that is used in the URL) and not
changed.
— Host
• Host Match Type can be set to Suffix, Prefix, Equal, Include or Any. Any implies that any
host will match.
• Host to Match indicates the value to be used for the match. This parameter is not
required when Match Type is set to Any.
For example: Host Match Type prefix and Host to Match www.a will match all hosts that
start with www.a, such as www.a.com, www.abc.com, and so on.
— Path
• Path Match Type can be set to Suffix, Prefix, Equal, Include or Any. This parameter is not
required when Match Type is set to Any. Any implies that any non-empty path will
match.
• Path to Match indicates the value to be used for the match.
This parameter is not required when the Match Type is set to Any.
For example: Path Match Type include, and Path to Match abc match any path that has abc
in it, such as /abc/, /a/abc, and so on.
— Page Name—Used for an exact match.
— Page Type—Used for an exact match.
Note: An AND operation is used between the configured match criteria. Therefore, only when
all the configured match criteria are met in the request (or response), the action is performed.
6. Enter action to access the Rule Action menu, and define the action criteria.
You can set actions for the following parameters:
— Protocol—HTTP or HTTPS. The default value is HTTP.
— Port—The port to be set in the URL. The default value is 0, which means:
• When the match port is not 0, the port is removed from the URL.
• When the port parameter is 0 for both match and action, the port in the URL remains
unchanged. That is, if it was explicitly specified it remains as it is, if it was not specified
it remains so.
— Host—The Host Action Type can be set to Insert, Replace, or Remove.
• Insert— Lets you insert additional text to the hostname, either before or after the
matched text.
• Replace—Lets you replace the matched text in the hostname with another text.
• Remove—Lets you remove the matched text from the hostname.
• None—No action is taken.
Replace and Remove are not allowed when the Host Match Type is set to Any.
When a host match is set, an action must be specified. To leave the same host, use action
replace with the same text string used in the match.
For example: Host Match Type prefix and Host to Match www.a match all hosts that start
with www.a. Using Host Action Insert After with Host to Insert bbb results in the following:
host www.a.com is modified to www.abbb.com. Host www.az.com is modified to
www.abbbz.com.
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