Recherche de numéros de port TCP/UDP

FTP-datatcpNon sûr / obsolète

FTP active-mode data channel

FTPtcpNon sûr / obsolète

FTP control; credentials in clear text

SSH / SFTPtcp

Secure shell, SFTP and SCP

TelnettcpNon sûr / obsolète

Unencrypted remote terminal

SMTPtcp

Mail transfer between servers

DNStcpudp

Domain name resolution (UDP, TCP for large answers and zone transfers)

DHCPudp

DHCP server (67) and client (68)

TFTPudpInterne uniquement

Trivial file transfer, PXE boot, switch configs

HTTPtcp

Web traffic, ACME HTTP-01 challenges

KerberostcpudpInterne uniquement

Kerberos authentication (Active Directory)

POP3tcpNon sûr / obsolète

Mail retrieval, unencrypted

rpcbindtcpudpInterne uniquement

ONC RPC portmapper (NFSv3)

NNTPtcpNon sûr / obsolète

Usenet news

NTPudp

Network time synchronisation

MS-RPCtcpInterne uniquement

Microsoft RPC endpoint mapper

NetBIOStcpudpInterne uniquement

NetBIOS name, datagram and session service

IMAPtcp

Mail access, STARTTLS capable

SNMPudpInterne uniquement

SNMP polling of network devices

SNMP trapudpInterne uniquement

SNMP traps sent by devices

BGPtcp

Border Gateway Protocol peering

LDAPtcpudpInterne uniquement

Directory access (Active Directory, OpenLDAP)

HTTPS / QUICtcpudp

TLS web traffic; UDP 443 carries HTTP/3

SMBtcpInterne uniquement

Windows file sharing; never expose to the internet

SMTPStcp

Mail submission over implicit TLS

IKEudp

IPsec VPN key exchange

SyslogudpInterne uniquement

Remote syslog

LPDtcpInterne uniquement

Line printer daemon

RIPudpInterne uniquement

Routing Information Protocol

DHCPv6udp

DHCPv6 client (546) and server (547)

Submissiontcp

Mail submission with STARTTLS (clients send here)

IPP / CUPStcpInterne uniquement

Internet Printing Protocol

LDAPStcpInterne uniquement

LDAP over TLS

DNS over TLS / QUICtcpudp

Encrypted DNS (DoT, DoQ)

rsynctcpInterne uniquement

rsync daemon

FTPStcp

FTP over implicit TLS

IMAPStcp

IMAP over TLS

POP3Stcp

POP3 over TLS

SOCKStcpInterne uniquement

SOCKS proxy

OpenVPNudp

OpenVPN default

SQL ServertcpInterne uniquement

Microsoft SQL Server

OracletcpInterne uniquement

Oracle database listener

L2TPudp

L2TP VPN

PPTPtcpNon sûr / obsolète

PPTP VPN; broken crypto

RADIUSudpInterne uniquement

RADIUS authentication (1812) and accounting (1813)

MQTTtcpInterne uniquement

MQTT broker, unencrypted

SSDP / UPnPudpInterne uniquement

UPnP discovery; abused for amplification

NFStcpudpInterne uniquement

Network File System

ZooKeepertcpInterne uniquement

ZooKeeper client port

Docker APItcpInterne uniquement

Docker daemon without TLS; root access if exposed

Docker TLStcpInterne uniquement

Docker daemon with TLS

etcdtcpInterne uniquement

etcd client (2379) and peer (2380)

Dev server / GrafanatcpInterne uniquement

Common dev server and Grafana default

SquidtcpInterne uniquement

Squid HTTP proxy

AD Global CatalogtcpInterne uniquement

Active Directory global catalog (3269 with TLS)

MySQL / MariaDBtcpInterne uniquement

MySQL and MariaDB

RDPtcpudpInterne uniquement

Windows Remote Desktop; put behind a VPN

STUN / TURNtcpudp

NAT traversal for WebRTC

EPMDtcpInterne uniquement

Erlang port mapper (RabbitMQ clusters)

IPsec NAT-Tudp

IPsec NAT traversal

Docker Registry / FlasktcpInterne uniquement

Docker registry, Flask and many dev servers

SIPtcpudp

VoIP signalling

SIPStcp

SIP over TLS

XMPPtcp

XMPP client connections

mDNSudp

Multicast DNS / Bonjour

PostgreSQLtcpInterne uniquement

PostgreSQL

KibanatcpInterne uniquement

Kibana UI

AMQPtcpInterne uniquement

RabbitMQ AMQP

VNCtcpInterne uniquement

VNC remote desktop (5900 + display number)

WinRMtcpInterne uniquement

Windows Remote Management HTTP (5985) / HTTPS (5986)

RedistcpInterne uniquement

Redis; often unauthenticated

Kubernetes APItcpInterne uniquement

Kubernetes API server

Syslog TLStcp

Syslog over TLS

BitTorrenttcpudp

BitTorrent peers

HTTP alttcp

Alternate HTTP, proxies, Tomcat, Jenkins

InfluxDBtcpInterne uniquement

InfluxDB HTTP API

VaulttcpInterne uniquement

HashiCorp Vault

HTTPS alttcp

Alternate HTTPS, admin panels

ConsultcpInterne uniquement

Consul HTTP API

MQTT TLStcp

MQTT over TLS

MinIO / PHP-FPMtcpInterne uniquement

MinIO S3 API, PHP-FPM, SonarQube

PrometheustcpInterne uniquement

Prometheus server

KafkatcpInterne uniquement

Apache Kafka broker

node_exporter / JetDirecttcpInterne uniquement

Prometheus node exporter; raw printing

ElasticsearchtcpInterne uniquement

Elasticsearch / OpenSearch HTTP API

Elasticsearch transporttcpInterne uniquement

Elasticsearch node-to-node transport

ZabbixtcpInterne uniquement

Zabbix agent (10050) and server (10051)

KubelettcpInterne uniquement

Kubelet API

MemcachedtcpudpInterne uniquement

Memcached; UDP abused for amplification

Minecrafttcp

Minecraft Java server

Steam / Sourcetcpudp

Source engine game servers

MongoDBtcpInterne uniquement

MongoDB

WireGuardudp

WireGuard default