Citrix Systems Network Router 9.2 User Manual

Remove old headers from 
a request and insert an 
NS-Client header

add rewrite action del_x_forwarded_for 

delete_http_header x-forwarded-for

add rewrite action del_client_ip 

delete_http_header client-ip

add rewrite policy 

check_x_forwarded_for_policy 

'HTTP.REQ.HEADER("x-forwarded-for").EXISTS' 

del_x_forwarded_for

add rewrite policy check_client_ip_policy 

'HTTP.REQ.HEADER("client-ip").EXISTS' 

del_client_ip

add rewrite action insert_ns_client_header 

insert_http_header NS-Client 'CLIENT.IP.SRC'

add rewrite policy insert_ns_client_policy 

'HTTP.REQ.HEADER("x-forwarded-for").EXISTS 

|| HTTP.REQ.HEADER("client-ip").EXISTS' 

insert_ns_client_header

bind rewrite global 

check_x_forwarded_for_policy 100 200

bind rewrite global check_client_ip_policy 

200 300

bind rewrite global insert_ns_client_policy 

300 END