Security+ Protocols and Ports

Study Protocols and Ports for CompTIA Security+

Port 21

FTP - TCP

Port 22

SSH - TCP

Port 23

Telnet - TCP

Port 25

SMTP - TCP

Port 53

DNS - UDP/TCP

Port 69

TFTP - UDP

Port 80

HTTP - TCP

Port 88

Kerberos - UDP/TCP

Port 110

POP3 - TCP

Port 119

NNTP - TCP

Port 135

RPC - TCP/UDP

Port 137, 138, 139

NetBIOS - TCP/UDP

Port 143

IMAP - TCP

Port 161

SNMP - UDP

Port 162

SNMP Trap - UDP

Port 389

LDAP - TCP

Port 443

HTTPS - TCP

Port 445

SMB - TCP

Port 465, 587

SMTPS - TCP

Port 514

Syslog - UDP

Port 636

LDAPS - TCP

Port 993

IMAPS - TCP

Port 995

POP3S - TCP

Port 1433

Microsoft SQL Server - TCP

Port 1645, 1646

RADIUS - TCP

Port 1812, 1813

RADIUS - UDP

Port 3389

RDP - TCP

Port 6514

Syslog - TCP