Network Ports & Protocols
Quickly find the role of a TCP or UDP port, its associated service and precautions before allowing it through a firewall.
FTP Data
FTP data transfer in active mode.
FichiersFTP Control
FTP control channel.
FichiersSSH / SFTP
Secured Service and Transfer System (SSH).
AdministrationTelnet
Administration Range unencrypted.
AdministrationSMTP
Transport of messages between mail servers.
EmailDNS
Domain name resolution. UDP for the majority of requests, especially for some large responses and zone transfers.
NetworkingDHCP Server
Dynamic Attribution of IP addresses on DHCP server.
NetworkingDHCP Client
Client-side DHCP responses received.
NetworkingTFTP
Simple file transfer, often used for network equipment and PXE boot.
FichiersHTTP
Unencrypted web access.
WebKerberos
Kerberos authentication, especially in Active Directory.
Windows / ADPOP3
Recovery of,emails without native encryption.
EmailNTP
Synchronization of the hour.
NetworkingMicrosoft RPC Endpoint Mapper
Discovery of services RPC Windows….
Windows / ADNetBIOS Name Service
Resolution of historical NetBIOS names….
Windows / ADNetBIOS Datagram
NetBIOS datagrams….
Windows / ADNetBIOS Session
SMB historical sharing via NetBIOS.
Windows / ADIMAP
Consultation and synchronization of emails without native encryption.
EmailSNMP
Monitoring and polling devices.
SupervisionSNMP Trap
Receipt of, SNMP alerts.
SupervisionLDAP
LDAP Directory, including Active Directory.
Windows / ADHTTPS
Internet access encrypted with TLS.
WebSMB / CIFS
Sharing files, printers and many Windows exchanges.
Windows / ADSMTPS
SMTP on implied TLS, often used for authenticated sending.
EmailIKE / IPsec
Negotiation of IP tunnelssec…
VPNSyslog
Centralized transmission of newspapers…
SupervisionSMTP Submission
Submission of authenticated emesis by customers….
EmailIPP
Network printing via Internet cession….
ImpressionLDAPS
LDAP encrypted via TLS….
Windows / ADDNS over TLS
DNS resolution encrypted via TLS….
NetworkingIMAPS
IMAP reference number….
EmailPOP3S
POP3 is encrypted.
EmailOpenVPN
Common default port of openVPN.
VPNMicrosoft SQL Server
Connect to SQL Server instances using the standard port.
Bases de dataOracle Database
Current port of the Oracle.
Bases de dataL2TP
Tunneling L2TP, usually combined with IPsec.
VPNPPTP
Historic PPTP VPN.
VPNRADIUS Authentication
RADIUS authentication for Wi-Fi, VPN, NAC, etc.
AuthentificationRADIUS Accounting
Comp.
AuthentificationNFS
Sharing NFS files.
FichiersMySQL / MariaDB
Connection to MySQL/MariaDB databases….
Bases de dataRDP
Microsoft remote office…
AdministrationIPsec NAT-T
IP transportsec when NAT is detected….
VPNSIP
VoIP signaling SIP unencrypted.
TelephonySIP TLS
SIP signification encrypted via TLS.
TelephonyPostgreSQL
Connection to PostgreSQL databases.
Bases de dataVNC
Remote VNC control.
AdministrationWinRM HTTP
Windows Drive via WinRM in HTTP.
Windows / ADWinRM HTTPS
Windows Drive via WinRM on TLS.
Windows / ADRedis
Redis key-value base.
Bases de dataHTTP alternatif
Alternative web port commonly used by proxys, consoles and applications.
WebHTTPS alternatif
Current alternative HTTPS port for d-consoles, administration and applications.
WebElasticsearch HTTP API
Current HTTP API of Elasticsearch.
Bases de dataMongoDB
Standard port MongoDB.
Bases de data