| NUMERO | TYPE | DESCRIPTION |
| 20 | TCP | Protocole FTP (File Transfer Protocol) – Données (Data) |
| 21 | TCP | Protocole FTP (File Transfer Protocol) – Commandes (Control) |
| 22 | TCP | Protocole SSH (Secure SHell) |
| 25 | TCP | Protocole SMTP (Simple Mail Transfer Protocol) |
| 49 | TCP | Protocole Cisco TACACS+ (Terminal Access Controller Access-Control System Plus) |
| 53 | UDP | Interrogation/consultation DNS par un client |
| 53 | TCP | Transfert de zones DNS (master et slave) |
| 67 | UDP | Service DHCP (le serveur DHCP reçoit les requêtes DHCP des clients sur ce port) |
| 68 | UDP | Client DHCP (le client reçoit sa configuration DHCP sur ce port) |
| 69 | UDP | Protocole TFTP (Trivial File Transfer Protocol) |
| 88 | TCP | Protocole d’authentification Kerberos |
| 110 | TCP | Protocole POP3 (Post Office Protocol – Version 3) |
| 123 | UDP | Service NTP pour la synchronisation du temps |
| 137 | UDP | NETBIOS-NS (NetBios Name Service) |
| 138 | UDP | NETBIOS-DGM (NetBios Datagram Service) |
| 139 | TCP | NETBIOS-SSN (NetBios Session Service) – NBT over IP |
| 161 | UDP | Protocole SNMP (Simple Network Management Protocol) – Port d’écoute de l’agent |
| 162 | UDP | Protocole SNMP-Trap (Simple Network Management Protocol Trap) – Port d’écoute du serveur de supervision |
| 143 | TCP | Protocole IMAP4 (Internet Message Access Protocol – Version 4) |
| 177 | TCP | Protocole XDMCP (X Display Manager Control Protocol) |
| 389 | TCP | Protocole LDAP (Lightweight Directory Access Protocol) |
| 389 | TCP | Protocole LDAP with StartTLS (Lightweight Directory Access Protocol with StartTLS) |
| 443 | TCP | Protocole HTTPS (Hypertext Transfer Protocol over TLS/SSL) |
| 445 | TCP | Protocole SMB (Server Message Blocks) – SMB over IP |
| 500 | UDP | Protocole ISAKMP (Internet Security Association and Key Management Protocol) |
| 514 | TCP | Service Syslog |
| 548 | TCP | Protocole AFP (Apple Filing Protocol) |
| 554 | UDP | Protocole RTSP (Real-time Streaming Protocol) |
| 554 | TCP | Protocole RTSP (Real-time Streaming Protocol) |
| 587 | TCP | Protocole SMTPS (Simple Mail Transfer Protocol Secure) |
| 636 | TCP | Protocole LDAPS (Lightweight Directory Access Protocol over SSL/TLS) – deprecated |
| 647 | TCP | DHCP Failover (master et slave) |
| 860 | TCP | Protocole iSCSI (internet Small Computer Systems Interface) |
| 953 | TCP | Service d’administration RNDC de Bind9 |
| 993 | TCP | Protocole IMAP4S (Internet Message Access Protocol Secure – Version 4 over TLS/SSL) |
| 995 | TCP | Protocole POP3S (Post Office Protocol – Version 3 over TLS/SSL) |
| 1194 | UDP | OpenVPN |
| 1194 | TCP | OpenVPN |
| 1645 | UDP | Protocole RADIUS (Remote Authentication Dial-In User Service) – Authentification |
| 1646 | UDP | Protocole RADIUS (Remote Authentication Dial-In User Service) – Gestion de comptes |
| 1701 | UDP | Protocole L2TP (Layer 2 Tunneling Protocol) |
| 1720 | TCP | Protocole H.323 |
| 1723 | TCP | Protocole PPTP (Point-to-Point Tunneling Protocol) |
| 1812 | UDP | Protocole RADIUS (Remote Authentication Dial-In User Service) – Authentification |
| 1813 | UDP | Protocole RADIUS (Remote Authentication Dial-In User Service) – Gestion de comptes |
| 2376 | TCP | Docker – REST API (SSL) – Communication client local -> Machine Docker d’un swarm |
| 2377 | TCP | Docker – RPC Interface for Docker Swarm – Communication entre les managers du swarm |
| 2427 | UDP | Protocole MGCP Gateway (Media Gateway Control Protocol Gateway) |
| 2427 | TCP | Protocole MGCP Gateway (Media Gateway Control Protocol Gateway) |
| 2727 | UDP | Protocole MGCP Callagent (Media Gateway Control Protocol Callagent) |
| 2727 | TCP | Protocole MGCP Callagent (Media Gateway Control Protocol Callagent) |
| 3260 | TCP | Protocole iSCSI (internet Small Computer Systems Interface) |
| 3306 | TCP | Connexion à un serveur MySQL |
| 3389 | TCP | Protocole RDP (connexion bureau à distance) |
| 4000 | TCP | Protocole NX serveur NoMachine (connexion bureau à distance) |
| 4441 | TCP | Service opsiclientd |
| 4447 | TCP | Service Web opsiconfiged |
| 4500 | UDP | Protocole IPSec NAT Traversal |
| 4789 | UDP | Docker – Communication entre les containers sur un réseau overlay |
| 5060 | UDP | Protocole SIP (Session Initiation Protocol) |
| 5060 | TCP | Protocole SIP (Session Initiation Protocol) |
| 5061 | TCP | Protocole SIP over TLS (Session Initiation Protocol over TLS) |
| 5355 | UDP | Protocole LLMNR (Link-Local Multicast Name Resolution) – Requêtes multicast |
| 5355 | TCP | Protocole LLMNR (Link-Local Multicast Name Resolution) – Requêtes unicast |
| 5800 | TCP | Protocole VNC over HTTP (connexion bureau à distance) |
| 5900 | TCP | Protocole VNC (connexion bureau à distance) |
| 5938 | TCP | Protocole TeamViewer (connexion bureau à distance) |
| 7070 | TCP | Protocole AnyDesk (connexion bureau à distance) |
| 7946 | TCP | Docker – Communication entre les nodes d’un swarm |
| 7946 | UDP | Docker – Communication entre les nodes d’un swarm |
| 9200 | TCP | Service HTTP Elasticsearch |
| 9300 | TCP | Communication entre les noeuds d’un cluster Elasticsearch |
| 10161 | UDP | Protocole SNMP-DTLS (Simple Network Management Protocol over Datagram TLS) – Port d’écoute de l’agent |
| 10161 | TCP | Protocole SNMP-TLS (Simple Network Management Protocol over TLS) – Port d’écoute de l’agent |
| 10162 | UDP | Protocole SNMP-Trap-DTLS (Simple Network Management Protocol Trap over Datagram TLS) – Port d’écoute du serveur de supervision |
| 10162 | TCP | Protocole SNMP-Trap-TLS (Simple Network Management Protocol Trap over TLS) – Port d’écoute du serveur de supervision |
| 27017 | TCP | Connexion à un serveur MongoDB |