TCP/IPの有名ポート番号

▼ 主なシステムポート(ウェルノウンポート)

＃	TCP/UDP	サービス/プロトコル
0	TCP/UDP	(予約済み)
20	TCP	FTP (File Transfer Protocol) (データ)
21	TCP	FTP (File Transfer Protocol) (制御)
22	TCP/UDP	ssh (secure shell)
23	TCP	Telnet
25	TCP/UDP	SMTP (Simple Mail Transfer Protocol)
42	TCP/UDP	WINS (Windows Internet Name Service)
43	TCP	WHOIS
53	TCP/UDP	DNS (Domain Name System)
67	UDP	BOOTP (Bootstrap Protocol) (サーバ)
68	UDP	BOOTP (Bootstrap Protocol) (クライアント)
69	UDP	TFTP (Trivial File Transfer Protocol)
80	TCP/UDP	HTTP (Hypertext Transfer Protocol)
88	TCP/UDP	Kerberos
109	TCP	POP2 (Post Office Protocol version 2)
110	TCP	POP3 (Post Office Protocol version 3)
113	UDP	ident
119	TCP	NNTP (Network News Transfer Protocol)
123	UDP	NTP (Network Time Protocol)
135	TCP	Microsoft RPC (Remote Procedure Call)
137	TCP/UDP	NetBIOS (名前解決)
138	TCP/UDP	NetBIOS (データ転送)
139	TCP/UDP	NetBIOS (セッション制御)
143	TCP/UDP	IMAP2/4 (Internet Message Access Protocol version 2/4)
161	TCP/UDP	SNMP (Simple Network Management Protocol)
162	TCP/UDP	SNMP (Simple Network Management Protocol) (トラップ)
179	TCP	BGP (Border Gateway Protocol)
194	TCP/UDP	IRC (Internet Relay Chat)
220	TCP/UDP	IMAP3 (Interactive Mail Access Protocol version 3)
389	TCP/UDP	LDAP (Lightweight Directory Access Protocol)
443	TCP/UDP	HTTPS (HTTP over SSL/TLS)
445	TCP/UDP	Microsoft Directory Service (SMB/CIFS)
465	TCP	SMTPS (SMTP over SSL/TLS)
514	UDP	syslog
520	UDP	RIP (Routing Information Protocol)
546	TCP/UDP	DHCPv6 (Dynamic Host Configuration Protocol version 6) (クライアント)
547	TCP/UDP	DHCPv6 (Dynamic Host Configuration Protocol version 6) (サーバ)
554	TCP/UDP	RTSP (Real-Time Streaming Protocol)
587	TCP	SMTP Message Submission (メッセージ投稿)
636	TCP/UDP	LDAPS (LDAP over SSL/TLS)
843	TCP	Adobe Flash (ソケット通信)
860	TCP/UDP	iSCSI
873	TCP	rsync
888	TCP	CDDB (CD DataBase)
989	TCP/UDP	FTPS (FTP over SSL/TLS) (データ)
990	TCP/UDP	FTPS (FTP over SSL/TLS) (制御)
992	TCP/UDP	Telnets (Telnet over SSL/TLS)
993	TCP	IMAPS (IMAP over SSL/TLS)
995	TCP	POP3S (POP3 over SSL/TLS)