Citrix Systems Network Router 9.2 User Manual
vi
Citrix NetScaler Policy Configuration and Reference Guide
Expressions for Extracting Segments of URLs . . . . . . . . . . . . . . . . . . . . . . . . . . .129
Expressions for Numeric HTTP Payload Data Other Than Dates . . . . . . . . . . . .130
Operations for HTTP, HTML, and XML Encoding and “Safe” Characters. . . . .131
Expressions for TCP, UDP, and VLAN Data . . . . . . . . . . . . . . . . . . . . . . . . . . . .134
XPath and JSON Expressions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .136
Expressions for Numeric HTTP Payload Data Other Than Dates . . . . . . . . . . . .130
Operations for HTTP, HTML, and XML Encoding and “Safe” Characters. . . . .131
Expressions for TCP, UDP, and VLAN Data . . . . . . . . . . . . . . . . . . . . . . . . . . . .134
XPath and JSON Expressions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .136
About SSL and Certificate Expressions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .141
Prefixes for Text-Based SSL and Certificate Data . . . . . . . . . . . . . . . . . . . . . . . .142
Prefixes for Numeric Data in SSL Certificates . . . . . . . . . . . . . . . . . . . . . . . . . . .143
Expressions for SSL Certificates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .143
Prefixes for Text-Based SSL and Certificate Data . . . . . . . . . . . . . . . . . . . . . . . .142
Prefixes for Numeric Data in SSL Certificates . . . . . . . . . . . . . . . . . . . . . . . . . . .143
Expressions for SSL Certificates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .143
Prefixes for IPV4 Addresses and IP Subnets . . . . . . . . . . . . . . . . . . . . . . . . . .150
Operations for IPV4 Addresses. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .150
About IPv6 Expressions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .151
Expression Prefixes for IPv6 Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .152
Operations for IPV6 Prefixes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .153
Operations for IPV4 Addresses. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .150
About IPv6 Expressions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .151
Expression Prefixes for IPv6 Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .152
Operations for IPV6 Prefixes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .153
Operators That Use a Pattern Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .158
Configuring a Pattern Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .160
Configuring a Pattern Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .160
About Policies that Monitor the Traffic Rate. . . . . . . . . . . . . . . . . . . . . . . . . . . . .183
Expressions for Controlling the Traffic Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . .183
Configuring Policies That Control the Traffic Rate. . . . . . . . . . . . . . . . . . . . . . . .184
Expressions for Controlling the Traffic Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . .183
Configuring Policies That Control the Traffic Rate. . . . . . . . . . . . . . . . . . . . . . . .184