YaST2 Developers Documentation:

Introduction:

Firewall Expert Rulezz ATTENTION: You have to call SuSEFirewall::Read() to read the configuration into the memory and call SuSEFirewall::Write() to write the configuration and restart the firewall service. Names assigned to Port and Protocol numbers can be found here: http://www.iana.org/assignments/protocol-numbers http://www.iana.org/assignments/port-numbers