234 Citrix NetScaler Policy Configuration and Reference Guide
ns_farclient Client is in a different geographical region from
the NetScaler, as determined by the geographical
region in the client’s IP address. The following
regions are predefined:
• 192.0.0.0 – 193.255.255.255: Multi-regional
• 194.0.0.0 – 195.255.255.255: European Union
• 196.0.0.0 – 197.255.255.255: Other1
• 198.0.0.0 – 199.255.255.255: North America
• 200.0.0.0 – 201.255.255.255: Central and
South America
• 202.0.0.0 – 203.255.255.255: Pacific Rim
• 204.0.0.0 – 205.255.255.255: Other2
• 206.0.0.0 – 207.255.255.255: Other3
ns_header_cookie Tests for HTTP connections that contain a Cookie
header
ns_header_pragma Tests for HTTP connections that contain a
Pragma: no-cache header.
ns_mozilla_47 Tests for HTTP connections whose User-Agent
header contains the string Mozilla/4.7—in
other words, any connection from a client using the
Mozilla 4.7 web browser.
ns_msexcel Tests for HTTP connections whose Content-Type
header contains the string application/
vnd.msexcel—in other words, any connection
transmitting a Microsoft Excel spreadsheet.
ns_msie Tests for HTTP connections whose User-Agent
header contains the string MSIE—in other words,
any connection from a client using any version of
the Internet Explorer web browser.
ns_msppt Tests for HTTP connections whose Content-Type
header contains the string application/
vnd.ms-powerpoint—in other words, any
connection transmitting a Microsoft PowerPoint
file.
ns_msword Tests for HTTP connections whose Content-Type
header contains the string application/
vnd.msword—in other words, any connection
transmitting a Microsoft Word file.
ns_non_get Tests for HTTP connections that use any HTTP
method except for GET.
ns_slowclient Returns TRUE if the average round trip time
between the client and the NetScaler is more than
80 milliseconds.
ns_true Returns TRUE for all traffic.
ns_url_path_bin Tests the URL path to see if it points to the /bin/
directory.
Expression Definition