Seznam často využívaných portů potřebný pro běh některých aplikací.
| Číslo | TCP | UDP | Služba |
| 0 | tcp | udp | Rezervováno, nepoužívá se |
| 1 | tcp | udp | TCPMUX |
| 4 | udp | NTP | |
| 5 | tcp | udp | RJE |
| 7 | tcp | udp | ECHO protocol |
| 9 | tcp | udp | DISCARD protocol |
| 11 | tcp | udp | SYSTAT protocol |
| 13 | tcp | udp | DAYTIME protocol |
| 17 | tcp | udp | QOTD protocol |
| 18 | tcp | udp | Message send protocol |
| 19 | tcp | udp | CHARGEN (Character Generator) protocol |
| 20 | tcp | udp | FTP (data) |
| 21 | tcp | udp | FTP (příkazy) |
| 22 | tcp | udp | SSH |
| 23 | tcp | udp | Telnet |
| 25 | tcp | udp | SMTP |
| 37 | tcp | udp | TIME protocol |
| 49 | tcp | udp | Login Host Protocol TACACS |
| 53 | tcp | udp | DNS |
| 65 | tcp | udp | TACACS – Database Service |
| 66 | tcp | udp | Oracle SQL*NET |
| 67 | tcp | udp | BOOTP (server), DHCP |
| 68 | tcp | udp | BOOTP (klient), DHCP |
| 69 | tcp | udp | TFTP |
| 70 | tcp | Gopher | |
| 79 | tcp | udp | Finger |
| 80 | tcp | udp | HTTP |
| 88 | tcp | udp | Kerberos |
| 109 | tcp | udp | Post Office Protocol – Version 2 |
| 110 | tcp | udp | Post Office Protocol – Version 3, POP3 |
| 111 | tcp | udp | SUN Remote Procedure Call |
| 113 | tcp | ident | |
| 115 | tcp | SFTP – Simple File Transfer Protocol | |
| 118 | tcp | SQL Services | |
| 119 | tcp | udp | NNTP |
| 123 | tcp | udp | NTP |
| 137 | tcp | udp | NetBIOS Name Service |
| 138 | tcp | udp | NetBIOS Datagram Service |
| 139 | tcp | udp | NetBIOS Session Service |
| 143 | tcp | udp | IMAP |
| 156 | tcp | udp | SQL Service |
| 161 | tcp | udp | SNMP |
| 162 | tcp | udp | SNMPTRAP |
| 179 | tcp | udp | BGP |
| 194 | tcp | udp | IRC |
| 220 | tcp | udp | Interactive Mail Access Protocol v3, IMAP |
| 213 | tcp | udp | IPX |
| 256 | tcp | udp | RAP |
| 264 | tcp | udp | BGMP, Border Gateway Multicast Protocol |
| 308 | tcp | Novastor Online Backup | |
| 311 | tcp | Apple Server-Admin-Tool, Workgroup-Manager-Tool | |
| 318 | tcp | udp | TSP, Time Stamp Protocol |
| 323 | tcp | udp | IMMP, Internet Message Mapping Protocol |
| 366 | tcp | udp | SMTP, Simple Mail Transfer Protocol. ODMR, On-Demand Mail Relay |
| 369 | tcp | udp | Rpc2portmap |
| 371 | tcp | udp | ClearCase albd |
| 383 | tcp | udp | HP OpenView HTTPs Operations Agent |
| 384 | tcp | udp | A Remote Network Server System |
| 387 | tcp | udp | AURP, AppleTalk Update-based Routing Protocol |
| 389 | tcp | udp | Lightweight Directory Access Protocol, LDAP |
| 443 | tcp | udp | HTTPS |
| 465 | tcp | SMTPS, SSL | |
| 500 | udp | ISAKMP, Internet Secure Association and Key Management Protocol | |
| 514 | tcp | rsh | |
| 514 | udp | syslog | |
| 524 | tcp | udp | NCP |
| 525 | udp | Timed, Timeserver | |
| 530 | tcp | udp | RPC |
| 531 | tcp | udp | AOL Instant Messenger, IRC |
| 532 | tcp | netnews | |
| 533 | udp | netwall, For Emergency Broadcasts | |
| 540 | tcp | UUCP | |
| 546 | udp | DHCPv6 klient | |
| 547 | udp | DHCPv6 server | |
| 554 | tcp | udp | RTSP |
| 563 | tcp | udp | NNTPS |
| 587 | tcp | email message submission | |
| 591 | tcp | FileMaker 6.0 (and later) Web Sharing (HTTP Alternate, see port 80) | |
| 593 | tcp | udp | HTTP RPC Ep Map |
| 604 | tcp | TUNNEL | |
| 631 | tcp | udp | IPP |
| 636 | tcp | udp | LDAP over SSL |
| 639 | tcp | udp | MSDP, Multicast Source Discovery Protocol |
| 646 | tcp | udp | LDP, Label Distribution Protocol |
| 647 | tcp | DHCP Failover Protocol | |
| 648 | tcp | RRP, Registry Registrar Protocol | |
| 652 | tcp | DTCP, Dynamic Tunnel Configuration Protocol | |
| 654 | tcp | AODV, Ad hoc On-Demand Distance Vector | |
| 666 | udp | Multiplayer Doom | |
| 993 | tcp | IMAPS, SSL | |
| 995 | tcp | POP3S, SSL | |
| 1025 | tcp | NFS-or-IIS | |
| 1026 | tcp | často Microsoft DCOM služby | |
| 1029 | tcp | často Microsoft DCOM služby | |
| 1058 | tcp | nim AIX Network Installation Manager | |
| 1059 | tcp | nimreg | |
| 1080 | tcp | SOCKS proxy | |
| 1099 | tcp | RMI Registry | |
| 1099 | udp | RMI Registry | |
| 1109 | tcp | Kerberos POP | |
| 1140 | tcp | AutoNOC | |
| 1167 | udp | telefon, konferenční volání | |
| 1176 | tcp | Perceptive Automation Indigo home control serves | |
| 1182 | tcp | udp | AcceleNet |
| 1433 | tcp | Microsoft SQL Server (MSSQL) | |
| 1723 | tcp | PPTP | |
| 1194 | tcp | udp | OpenVPN |
| 1900 | udp | SSDP | |
| 2302 | udp | Multiplayer ArmA (výchozí pro hru) | |
| 2303 | udp | Multiplayer ArmA (výchozí pro report serveru) | |
| 2305 | udp | Multiplayer ArmA (výchozí pro VoN) | |
| 3050 | tcp | Firebird | |
| 3306 | tcp | MySQL | |
| 3389 | tcp | RDP – vzdálená plocha v Microsoft Windows | |
| 3551 | tcp | Komunikace APC UPS s NIS serverem | |
| 5060 | tcp | udp | SIP (Session Initiation Protocol) |
| 5190 | tcp | AOL Instant Messenger, ICQ | |
| 5222 | tcp | Jabber | |
| 5223 | tcp | Jabber, SSL | |
| 5432 | tcp | PostgreSQL | |
| 5556 | tcp | Virtuální knihovník | |
| 5800 | tcp | VNC – Java klient | |
| 5900 | tcp | VNC | |
| 6112 | tcp | Battle.net | |
| 6129 | tcp | DameWare Mini Remote Control | |
| 6666 | tcp | IRC | |
| 6667 | tcp | IRC | |
| 6668 | tcp | IRC | |
| 6697 | tcp | IRC, SSL | |
| 7777 | tcp | udp | SAMP |
| 8080 | tcp | TOMCAT | |
| 8600 | tcp | Remote Administrator Control | |
| 8767 | udp | TeamSpeak | |
| 9009 | tcp | udp | Pichat Server – Peer to peer chat software |
| 25565 | tcp | Minecraft | |
| 27015 | udp | Half-Life | |
| 27500 | udp | Multiplayer Quake (Quakeworld) | |
| 27960 | udp | Multiplayer Wolfenstein: Enemy Territory | |
| 28960 | udp | Multiplayer Call of Duty | |
| 47808 | udp | BACnet (0xBAC0) |
Klíčová slova: UDP, TCP, Porty
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