Ports Flashcards
Protocol: SMTP
Port: TCP 25
Protocol: IMAP4
Port: TCP 143
Protocol: POP3
Port: TCP 110
Protocol: SSH
Port: TCP 22
Protocol: FTP data port (active mode)
Port: TCP 21
Protocol: FTP (PASV control)
Port: TCP 21
Protocol: FTP control
Port: TCP 20
Protocol: TFTP
Port: UDP 69
Protocol: SCP (uses SSH)
Port: TCP 22
Protocol: HTTP
Port: TCP 80
Protocol: DNS name queries
Port: UDP 53
Protocol: SMTP TLS/SSL
Port: TCP 587
Protocol: Secure IMAP4
Port: TCP 993
Protocol: Secure POP
Port: TCP 995
Protocol: FTPS (uses TLS)
Port: TCP 989, 990
Protocol: TLS
Port: TCP 443
Protocol: SFTP (uses SSH)
Port: TCP 22
Protocol: HTTPS (uses TLS)
Port: TCP 443
Protocol: DNS zone transfers
Port: TCP 53
Protocol: NetBIOS Name Service (TCP rarely used)
Port: TCP/UDP 137
Protocol: NetBIOS Datagram Service
Port: UDP 138
Protocol: NetBIOS Session Service
Port: TCP 139
Protocol: L2TP
Port: UDP 1701
Protocol: PPTP
Port: 1723
Protocol: SNMP
Port: UDP 161
Protocol: SIP
Port: TCP 5060/5061
Protocol: DHCP (client to server)
Port: UDP 67/68
Protocol: RADIUS
Port: UDP 1812/1813
Protocol: TACACS+
Port: TCP 49
Protocol: LDAPS
Port: TCP 636
Protocol: LDAP
Port: TCP 389
Protocol: Telnet (not recommended)
Port: TCP 23
Protocol: IPsec (for VPN with IKE)
Port: UDP 500
Protocol: Remote Desktop Protocol (RDP)
Port: TCP/UDP 3389
Protocol: SNMP trap
Port: UDP 162
Protocol: SMB
Port: TCP 445
Protocol: DHCP (server to client)
Port: UDP 68
Protocol: RADIUS with EAP
Port: TCP 1812
Protocol: Kerberos
Port: TCP/UDP 88
