常见协议号及端口号

二层

IP 0x0800
ARP 0x0806
RARP 0x8035
dot1q 0x8100
IPX/SPX 0x8137
IPv6 0x86DD
LACP 0x8809
MPLS unicast 0x8847
MPLS multicast 0x8848
PPPoE discovery 0x8863
PPPoE session 0x8864
802.1x 0x888E


三层
1 ICMP
2 IGMP
6 TCP
17 UDP
47 GRE
50 ESP
51 AH
103 PIM

四层
FTP-data TCP 20
FTP TCP 21
SSH TCP 22
Telnet TCP 23
SMTP TCP 25
Tacacs+ TCP 49
HTTP TCP 80
SCEP TCP 80
POP3 TCP 110
BGP TCP 179
LDAP TCP 389
SMB TCP 445
MS SQL TCP 1433
H.323/H.225 TCP 1720
PPTP TCP 1723
SCCP TCP 2000 3224
Skinny Gateway(Analogue) TCP 2001
Skinny Gateway(Digital) TCP 2002
RDP(Remote Desktop Protocol) TCP 3389
URL Filter TCP 15868

DNS TCP 53 UDP 53
HTTPS/SSL TCP 443 UDP 443
Syslog TCP 514 TCP 1468 UDP 514
kerberos TCP 88 UDP 88

DHCP Destination(bootps) UDP 67
DHCP Source(bootpc) UDP 68
TFTP UDP 69
NTP UDP 123
WINS UDP 137 138 139
SNMP UDP 161
SNMP Trap UDP 162
ISAKMP UDP 500
ISAKMP with NAT-T UDP 4500
RIP UDP 520
L2TP UDP 1701
H.323 RAS UDP 1718 1719
Radius UDP 1812、1813；1645、1646
MGCP Control UDP 2427
MGCP Backhaul UDP 2428
BFD UDP 3784 echo UDP 3785
PO between Director and IDS UDP 45000
RTP UDP 16384-32767
traceroute UDP 33400-34400