Analogous to the idea of Capability Groups (Subsection 4.2.6), Access Domain Groups (Subsection 4.3.4) and IP Chains (standard Linux firewall software) IPL Groups consist of a number of IPL Elements. IPL Groups aid the ease of LinSec IPL configuration and maintenance.
IPL Group 0 is denoted the default IPL Group and has a special meaning as specified in Subsection 4.4.6.