Citrix Systems Network Router 9.2 User Manual

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Citrix NetScaler Policy Configuration and Reference Guide
CLIENT.UDP.DNS. 
[IS_AAAAREC | IS_ANYREC | 
IS_AREC | IS_CNAMEREC | 
IS_MXREC | IS_NSREC | 
IS_PTRREC | IS_SOAREC | 
IS_SRVREC]
CLIENT.UDP.[DSTPORT | 
SRCPORT]
CLIENT.VLAN
Operates on the VLAN through which the current 
packet entered the NetScaler. See the other 
CLIENT.VLAN prefixes in this table.
CLIENT.VLAN.ID
HTTP.REQ
Operates on HTTP requests. See the other 
HTTP.REQ prefixes in this table.
HTTP.REQ.BODY(integer)
HTTP.REQ.CACHE_CONTROL
HTTP.REQ.CONTENT_LENGTH
HTTP.REQ.COOKIE
HTTP.REQ.DATE
Expression Prefix 
Notes and Links to Prefix and Applicable Operator 
Descriptions