Network Protocols

2009 Mar 07

See RFC 1700 *Assigned Numbers*
Protocol	Uses	Port	RFC	Means
ARP				Address Resolution Protocol
BGP				Border Gateway Protocol
CDP				Cisco Discovery Protocol
DDP	?	?		D D Protocol
DHCP	?	?		Dynamic Host Configuration Protocol
DNS	UDP/IP	53		Domain Name Service queries and responses
DTP	?	?		Dynamic Discovery Protocol
FTP	TCP/IP	?		File Transfer Protocol
GGP	?	?		Gateway to Gateway Protocol
HTTP	Web	80		HyperText Transfer Protocol
HTTPS	?	?		Secure HTTP
ICMP	?	?		Internet Control Message Protocol
IGMP	?	?		Interet Group Management Protocol
IP		___		Internet Protocol
IPSec	?	?		Secure Internet Protocol
L2TP	?	?		Layer Two Tunneling Protocol - provides encrypted network transmissions
LDAP	?	?		Lightweight Directory Access Protocol
NBNS	?	?		N B N S
NTP	?	?		Network Time Protocol
OSPF	?	?		Open Shortest Path First (OSPF) protocol
PAgP	?	?		Port Aggregation Protocol
POP	TCP	25		Post Office Protocol
PPTP	?	?		Point to Point Tunneling Protocol, see: paper (only works in Native Mode, and does not work with other PPTP implementations)
RIP	?	?		Routing Information Protocol
SMTP	?	?		Simple Mail Transfer Protocol
SNMP	UDP/IP	161		Simple Network Management Protocol
SNTP	?	?	1361	Simple Network Time Protocol, Ver 4
STP				Spanning-Tree Protocol
TCP				Transmission Control Protocol
TCP/IP				Transmission Control Protocol / Internet Protocol
Telnet	?	?		a remote command-line interface
TFTP	?	?		Trivial File Transfer Protocol - UDP/IP port 69
TIP	?	?		Transaction Internet Protocol
UDP				User Datagram Protocol
VTP				VLAN Trunking Protocol

RealPlayer Data uses UDP/IP (range of ports including 7070) for streaming audio and video (recovery from errors is less important than speed).

2005-2009