e7d44985_Apache_HTTP_Server_Version_2_4__Description
[Parameter] stickysessionsep [Default] "." [Description] 
Sets the separation symbol in the session cookie. Some backend application servers do not use the '.' as the symbol. For example the Oracle Weblogic server uses '!'. The correct symbol can be set using this option. The setting of 'Off' signifies that no symbol is used.
mod_proxy - Apache HTTP Server Version 2.4
Description