module PacketAnalyzer::GRE; export { const default_analyzer: PacketAnalyzer::Tag = PacketAnalyzer::ANALYZER_IPTUNNEL &redef; const gre_ports = { 4754/udp } &redef; } event zeek_init() &priority=20 { PacketAnalyzer::register_for_ports(PacketAnalyzer::ANALYZER_UDP, PacketAnalyzer::ANALYZER_GRE, gre_ports); }