Ports Flashcards by Ryan Puckett | Brainscape

Q

Protocol: SMTP

A

Port: TCP 25

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Q

Protocol: IMAP4

A

Port: TCP 143

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Q

Protocol: POP3

A

Port: TCP 110

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Q

Protocol: SSH

A

Port: TCP 22

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Q

Protocol: FTP data port (active mode)

A

Port: TCP 21

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Q

Protocol: FTP (PASV control)

A

Port: TCP 21

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Q

Protocol: FTP control

A

Port: TCP 20

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Q

Protocol: TFTP

A

Port: UDP 69

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Q

Protocol: SCP (uses SSH)

A

Port: TCP 22

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Q

Protocol: HTTP

A

Port: TCP 80

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Q

Protocol: DNS name queries

A

Port: UDP 53

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Q

Protocol: SMTP TLS/SSL

A

Port: TCP 587

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Q

Protocol: Secure IMAP4

A

Port: TCP 993

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Q

Protocol: Secure POP

A

Port: TCP 995

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Q

Protocol: FTPS (uses TLS)

A

Port: TCP 989, 990

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Q

Protocol: TLS

A

Port: TCP 443

Q

Protocol: SFTP (uses SSH)

A

Port: TCP 22

Q

Protocol: HTTPS (uses TLS)

A

Port: TCP 443

Q

Protocol: DNS zone transfers

A

Port: TCP 53

Q

Protocol: NetBIOS Name Service (TCP rarely used)

A

Port: TCP/UDP 137

Q

Protocol: NetBIOS Datagram Service

A

Port: UDP 138

Q

Protocol: NetBIOS Session Service

A

Port: TCP 139

Q

Protocol: L2TP

A

Port: UDP 1701

Q

Protocol: PPTP

A

Port: 1723

Q

Protocol: SNMP

A

Port: UDP 161

Q

Protocol: SIP

A

Port: TCP 5060/5061

Q

Protocol: DHCP (client to server)

A

Port: UDP 67/68

Q

Protocol: RADIUS

A

Port: UDP 1812/1813

Q

Protocol: TACACS+

A

Port: TCP 49

Q

Protocol: LDAPS

A

Port: TCP 636

Q

Protocol: LDAP

A

Port: TCP 389

Q

Protocol: Telnet (not recommended)

A

Port: TCP 23

Q

Protocol: IPsec (for VPN with IKE)

A

Port: UDP 500

Q

Protocol: Remote Desktop Protocol (RDP)

A

Port: TCP/UDP 3389

Q

Protocol: SNMP trap

A

Port: UDP 162

Q

Protocol: SMB

A

Port: TCP 445

Q

Protocol: DHCP (server to client)

A

Port: UDP 68

Q

Protocol: RADIUS with EAP

A

Port: TCP 1812

Q

Protocol: Kerberos

A

Port: TCP/UDP 88