TCP/IPの有名ポート番号
| 番号 | 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) |
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