TCP/UDP Ports Flashcards by Fernando Hernández

Q

FTP Data - File Transfer Protocol

A

TCP 20

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Q

FTP Control - File Transfer Protocol

A

TCP 21

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Q

SSH - Secure Shell

A

TCP 22

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Q

SCP (uses SSH) - Secure Copy

A

TCP 22

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Q

SFTP (uses SSH) - Secure File Transfer Protocol

A

TCP 22

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Q

Telnet

A

TCP 23

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Q

SMTP - Simple Mail Transfer Protocol

A

TCP 25

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Q

TACACS+

A

TCP 49

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Q

DNS Name Query

A

UDP 53

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Q

DNS Zone Transfer

A

TCP 53

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Q

TFTP - Trivial File Transfer Protocol

A

UDP 69

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Q

HTTP - Hypertext Transfer Protocol

A

TCP 80

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Q

Kerberos

A

UDP 88

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Q

POP3 - Post Office Protocol v3

A

TCP 110

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Q

SNMP - Simple Network Management Protocol

A

UDP 161

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Q

SNMP trap

A

UDP 162

Q

NetBIOS (TCP rare)

A

TCP/UDP 137

Q

NetBIOS - Network Basic Input/Output System

A

UDP 138

Q

NetBIOS - Network Basic Input/Output System TCP

A

TCP 139

Q

IMAP4 - Internet Message Access Protocol v4

A

TCP 143

Q

LDAP - Lightweight Directory Access Protocol

A

TCP 389

Q

HTTPS - Hypertext Transfer Protocol

A

TCP 443

Q

SMTP SSL/TLS - Simple Mail Transfer Protocol

A

TCP 465

Q

IPsec (for VPN with IKE) Internet Protocol security

A

UDP 500

LDAP/SSL - Lightweight Directory Access Protocol

TCP 636

LDAP/TLS - Lightweight Directory Access Protocol

TCP 636

IMAP SSL/TLS - Internet Message Access Protocol

TCP 993

POP SSL/TLS - Post Office Protocol

TCP 995

L2TP - Layer 2 Tunneling Protocol

UDP 1701

PPTP - Point-to-Point Tunneling Protocol

TCP 1723

Remote Desktop Protocol (RDP)

TCP/UDP 3389

Microsoft SQL Server

TCP 1433