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Blue Coat SGOS 4.x Upgrade Guide
16
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.
x-exception-category
-review-message
$(exception.category_
review_message)
An HTML-formatted message suitable for
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-
computer-name
$(netbios.computer-
name)
The NetBIOS name of the computer. This is an
empty string if the query fails or the name is
not reported.
x-cs-netbios-
computer-domain
$(netbios.computer-
domain)
The name of the domain to which the
computer belongs. This is an empty string if
the query fails or the name is not reported.
x-cs-netbios-
messenger-username
$(netbios.messenger-
username)
The name of the logged-in user. This is an
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-
messenger-usernames
$(netbios.messenger-
usernames)
A comma-separated list of the all the
messenger usernames reported by the target
computer. This is an empty string if the query
fails, or no names are reported.
x-cs-socks-
compression
Compresses data on the client connection.
x-sr-socks-
compression
Compresses data on the server connection.
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.
Content-Encoding)
Client Response header: Content-Encoding.
This substitution allows you to monitor the
effect of the new HTTP compression features.
rs(Accept-Encoding) $(response.header.
Accept-Encoding)
Server Request header: Accept-Encoding
This substitution allows you to monitor the
effect of the new HTTP compression features.
Table 3.2: New Substitutions (Continued)
ELFF CPL Description