Well known ports
From Exterior Memory
Ethernet Frame Types
These numbers are used in the type header of Ethernet frames
See also:
- http://standards.ieee.org/develop/regauth/ethertype/eth.txt
- http://www.iana.org/assignments/ethernet-numbers
| 0x0800 | IPv4 |
| 0x0806 | ARP |
| 0x809b | AppleTalk |
| 0x8100 | 802.1Q (VLAN tag) |
| 0x8181 | STP |
| 0x86dd | IPv6 |
| 0x8863 | PPPoE |
| 0x8864 | PPPoE session |
| 0x888e | 802.1x (authentication) |
| 0x88a8 | 802.1ad (Q-in-Q) |
| 0x88cc | 802.1ab (LLDP) |
| 0x88e7 | 802.1ah (Mac-in-Mac) |
| 0x8902 | 802.1ag Connectivity Fault Management |
| 0x890d | 802.11 data encapsulation |
| 0x9000 | Loop |
Well known protocol numbers
These numbers are used in the protocol field in IPv4 headers, or the next-header field in IPv6 headers.
See also
| 1 | IPv4-ICMP |
| 2 | IGMP |
| 6 | TCP |
| 17 | UDP |
| 33 | DCCP, an alternative to TCP |
| 41 | IPv6 in IPv4 |
| 47 | General Routing Encapsulation (GRE) (required for a PPTP VPN) |
| 50 | Encap Security Payload (ESP) (required for IPsec) |
| 51 | Authentication Header (AH) (required for IPsec) |
| 58 | IPv6-ICMP |
| 115 | L2TP, a VPN tunnel protocol |
| 132 | SCTP, an alternative to TCP |
| 140 | SHIM, a IPv6 multihoming protocol |
Well known ports
See also
- http://www.iana.org/assignments/port-numbers
- http://www.chebucto.ns.ca/~rakerman/port-table.html
- http://en.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbers
All ports use TCP only, unless explicitly mentioned.
| 20 | FTP-data (insecure) |
| 21 | FTP (insecure) |
| 22 | SSH |
| 23 | Telnet (insecure) |
| 25 | SMTP |
| 43 | whois (TCP only) |
| 53 | DNS (TCP + UDP) |
| 67 | DHCP & BOOTP server |
| 68 | DHCP & BOOTP client (yes, it is a bit odd that this is a fixed port) |
| 69 | TFTP (trivial FTP) (insecure) |
| 80 | Web |
| 110 | POP3 (insecure) |
| 111 | RPC (local only) |
| 119 | NNTP news |
| 123 | NTP time (UDP only) |
| 143 | IMAP (only secure if TLS is enabled) |
| 161 | SNMP (insecure) |
| 369 | portmap (local only) |
| 389 | LDAP (uses UDP first, TCP as backup option) |
| 443 | HTTPS |
| 465 | SMTPS |
| 500 | IKE key-negotiation for IPsec (UDP) |
| 515 | LDP (printer) (local only) |
| 548 | Apple File Sharing |
| 587 | SMTP submission |
| 631 | Internet Print Protocol (IPP) (local only) |
| 636 | LDAPS (LDAP over SSL) |
| 873 | Rsync (plain text) (TCP only) |
| 993 | IMAPS |
| 1194 | VPN tunnel for openvpn (UDP) |
| 1214 | Kazaa |
| 1263 | Some MSN file transfer things, it seems, but no documentation found |
| 1503 | MSN Application and Whiteboard Sharing (not used) |
| 1503 | T120 NetMeeting (not used) |
| 1701 | L2TP VPN (UDP) |
| 1720 | H323 NetMeeting (vulnerable to exploits) |
| 1723 | PPTP VPN (note: you should also open up protocol 47) |
| 1863,443 | MSN text (TCP both directions, also for clients) |
| 2672 | eDonkey (not used; see 4662 instead) |
| 3306 | MySQL (local only) |
| 3389 | Windows Remote Desktop (not used) |
| 3740 | Heartbeat protocol. Often used for SixXS tunnels. (UDP outbound) |
| 3874 | TIC (Tunnel Information & Control Protocol). Often used for SixXS tunnels. (TCP) |
| 3889 | MSN Remote Assistance (not used) |
| 4662 | aMule / eDonkey (TCP) |
| 4665 | aMule / eDonkey (UDP, optional) |
| 4672 | aMule / eDonkey (UDP, optional) |
| 5000-5001 | Yahoo Messenger Voice |
| 5004-65535 | RTP video (MSN) |
| 5050 | Yahoo Messenger |
| 5060 | SIP |
| 5072 | AYIYA (Anything In Anything) tunnel. Used for SixXS tunnel. (UDP) |
| 5100 | Yahoo Messenger Webcam (not used) |
| 5190 | AIM/iChat |
| 5222 | Jabber client |
| 5269 | Jabber server |
| 5298 | Rendezvous AIM Chat (local only) |
| 5351 | NAT Port Mapping Protocol (local only) |
| 5352 | DNS long-lived queries (unknown) |
| 5353 | Multicast DNS (local only) |
| 5737 | eDonkey (UDP) (not used) |
| 5800 | VNC webbrowser (not used) |
| 5900 | VNC (remote desktop) (TCP only) |
| 6346-6347 | GNUtella |
| 6881-6999 | BitTorrent |
| 6891-6900 | MSN file transfers |
| 6970-6973 | QuickTime streaming |
| 7070 | ? |
| 8000-8001 | Alternative HTTP (unofficial) (not used) |
| 8080 | Web alternative port |
| 51200-51201 | ? |
| 51210 | ? |
| ? | GoogleTalk |
| ? | X11 |
See also Config:Firewall and CopperJet 820 Firewall.
