Blue Coat Systems Proxy SG SGOS 4.x Manuale Utente

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)