I am configuring modsecurity-crs for my apache2 server running on debian 8 jessie. After installing modsecurity and making symbolic links for both base_rules and optional_rules, apache2 cannot restart. Using
sudo journalctl | tail
shows the error message
'AH00526: Syntax error on line 51 of ../modsecurity-crs/activated_rules/modsecurity_crs_16_session_hijacking.conf'.