With this parameter you can configure Modifications of HTTP Requests in the Web Dispatcher or ICM. You can define rules by which the Web Dispatcher/ICM changes the HTTP request before it forwards it (header field manipulation, URL rewrite, and so on)
Work area |
Internet Communication Manager, SAP Web Dispatcher |
Unit |
Character string |
Standard value |
icm/HTTP/mod_0 =PREFIX=/ (no action file) |
Dynamically changeable |
No |
Value Range and Syntax
The parameter has the following syntax:
icm/HTTP/mod_<xx> = PREFIX=<URL prefix>[, FILE=<action file>]
<xx> must be specified in ascending order from 0 .
Option FILE
With the optional parameter FILE you can specify the action file with the rules to apply. If only a file name without the full path is specified, the file must be in the working directory of the process.
The action file is a text file with one action (rule) per line. Comment lines begin with a hash sign ( # ).
You can find an example of an action file in Defining Modification Actions .
SAP Recommendation
To have the same filter rules on all instances, store the file with the filter rules in a global directory and set the parameter in the default profile DEFAULT.PFL.
The filter rules are in file icm_filter_rules.txt in directory $(DIR_GLOBAL)/security/data
icm/HTTP/mod_0 = PREFIX=/,FILE=$(DIR_GLOBAL)/security/data/icm_filter_rules.txt
Note the following documentation associated with this parameter: