CREATE INDEX tcp_sport ON tcp(tcp_sport);
CREATE INDEX tcp_dport ON tcp(tcp_dport);
-ALTER TABLE tcp ADD CONSTRAINT tcp_sport_ok CHECK(tcp_sport >= 0 AND tcp_sport <= 65536);
-ALTER TABLE tcp ADD CONSTRAINT tcp_dport_ok CHECK(tcp_dport >= 0 AND tcp_dport <= 65536);
-
CREATE TABLE udp (
_udp_id bigint PRIMARY KEY UNIQUE NOT NULL,
udp_sport integer default NULL,
CREATE INDEX udp_sport ON udp(udp_sport);
CREATE INDEX udp_dport ON udp(udp_dport);
-ALTER TABLE udp ADD CONSTRAINT udp_sport_ok CHECK(udp_sport >= 0 AND udp_sport <= 65536);
-ALTER TABLE udp ADD CONSTRAINT udp_dport_ok CHECK(udp_dport >= 0 AND udp_dport <= 65536);
-
CREATE TABLE icmp (
_icmp_id bigint PRIMARY KEY UNIQUE NOT NULL,
icmp_type smallint default NULL,