Citrix Systems Network Router 9.2 Benutzerhandbuch

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 Appendix  A        Expressions Reference
233
ns_cmpclient
Tests the client to determine if it accepts 
compressed content.
ns_content_type
Tests for connections with an HTTP Content-Type 
header that contains “text”.
ns_css
Tests for connections with an HTTP Content-Type 
header that contains “text/css”.
ns_ext_asp
Tests for HTTP connections to any URL that 
contains the string .asp—in other words, any 
connection to an active server page (ASP).
ns_ext_cfm
Tests for HTTP connections to any URL that 
contains the string .cfm
ns_ext_cgi
Tests for HTTP connections to any URL that 
contains the string .cgi—in other words, any 
connection to a common gateway interface (CGI) 
script.
ns_ext_ex
Tests for HTTP connections to any URL that 
contains the string .ex
ns_ext_exe
Tests for HTTP connections to any URL that 
contains the string .exe—in other words, any 
connection to a executable file.
ns_ext_htx
Tests for HTTP connections to any URL that 
contains the string .htx
ns_ext_not_gif
Tests for HTTP connections to any URL that does 
not contain the string .gif—in other words, any 
connection to a URL that is not a GIF image.
ns_ext_not_jpeg
Tests for HTTP connections to any URL that does 
not contain the string .jpeg—in other words, any 
connection to a URL that is not a JPEG image. 
ns_ext_shtml
Tests for HTTP connections to any URL that 
contains the string .shtml—in other words, any 
connection to a server-parsed HTML page.
ns_false
Always returns a value of FALSE.
Expression
Definition