/usr/share/perl5/EBox/Firewall/Model/ is in zentyal-firewall 2.3.3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/perl5/EBox/Firewall/Model/BaseRuleTable.pm
/usr/share/perl5/EBox/Firewall/Model/EBoxOutputRuleTable.pm
/usr/share/perl5/EBox/Firewall/Model/EBoxServicesRuleTable.pm
/usr/share/perl5/EBox/Firewall/Model/ExternalToEBoxRuleTable.pm
/usr/share/perl5/EBox/Firewall/Model/ExternalToInternalRuleTable.pm
/usr/share/perl5/EBox/Firewall/Model/InternalToEBoxRuleTable.pm
/usr/share/perl5/EBox/Firewall/Model/RedirectsTable.pm
/usr/share/perl5/EBox/Firewall/Model/Report/
/usr/share/perl5/EBox/Firewall/Model/Report/PacketTrafficDetails.pm
/usr/share/perl5/EBox/Firewall/Model/Report/PacketTrafficGraph.pm
/usr/share/perl5/EBox/Firewall/Model/Report/PacketTrafficReportOptions.pm
/usr/share/perl5/EBox/Firewall/Model/ToInternetRuleTable.pm