Blue Coat Systems SGOS 4.x manual Blue Coat Sgos 4.x Upgrade Guide New Substitutions

Blue Coat SGOS 4.x Upgrade Guide

Table 3.2: New Substitutions	(Continued)
ELFF	CPL	Description
x-exception-category	$(exception.category_	An HTML-formatted message suitable for
-review-message	review_message)	inclusion in an exception page. The values are
		empty if the selected content filter provider
		does not support review messages, or if the
		provider was not consulted for categorization,
		or if the categorization process failed due to an
		error.
x-p2p-client-type	$(p2p.client)	The name of the P2P network the client
		application is connected to. In case of non-P2P
		traffic, this substitution variable does not have
		a value.
x-cs-netbios-	$(netbios.computer-	The NetBIOS name of the computer. This is an
computer-name	name)	empty string if the query fails or the name is
		not reported.
x-cs-netbios-	$(netbios.computer-	The name of the domain to which the
computer-domain	domain)	computer belongs. This is an empty string if
		the query fails or the name is not reported.
x-cs-netbios-	$(netbios.messenger-	The name of the logged-in user. This is an
messenger-username	username)	empty string if the query fails or the name is
		not reported. It is also empty if there is more
		than one logged-in user.
x-cs-netbios-	$(netbios.messenger-	A comma-separated list of the all the
messenger-usernames	usernames)	messenger usernames reported by the target
		computer. This is an empty string if the query
		fails, or no names are reported.
x-cs-socks-		Compresses data on the client connection.
compression
x-sr-socks-		Compresses data on the server connection.
compression
x-virus-details	$(icap_virus_details)	Details of a virus if one was detected.
x-icap-error-code	$(icap_error_code)	ICAP error code.
x-icap-error-details	$(icap_error_details)	ICAP error details.
cs(Content-Encoding)	$(request.header.	Client Response header: Content-Encoding.
	Content-Encoding)	This substitution allows you to monitor the
		effect of the new HTTP compression features.
rs(Accept-Encoding)	$(response.header.	Server Request header: Accept-Encoding
	Accept-Encoding)	This substitution allows you to monitor the
		effect of the new HTTP compression features.

A new substitution modifier—label(N)—has been added. It is used in conjunction with the client.host substitution variable in defining Policy Substitution Realms. For example, $(client.host:label(2)) could be used in the definition of a Policy Substitution Realm to set the user name from the results of a reverse DNS Lookup. For more information on the :label( ) modifier, refer to Appendix D “Substitutions,” in the Blue Coat Content Policy Language Guide.

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