Ports Flashcards by Gabriel Blunt

Q

FTP (File Transfer Protocol)

A

TCP 20 (Active mode data connection)
21 (Control data connection)

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Q

SSH (Secure Shell)

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

DNS (Domain Name System)

A

UDP 53

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Q

DHCP (Dynamic Host Configuration Protocol)

A

UDP 67 and 68 (DHCP Server)

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Q

HTTP (HyperText Transfer Protocol)

A

TCP 80

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Q

HTTPS (HyperText Transfer Protocol Secure)

A

TCP 443

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Q

POP3 (Post Office Protocol Ver. 3)

A

TCP 110

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Q

IMAP/IMAP4 (Internet Message Access Protocol)

A

TCP 143

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Q

NetBIOS Name Service (nbname)

A

UDP 137

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Q

NetBIOS Session Service (nbsession)

A

TCP 139

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Q

NetBIOS-less (Direct Over)

A

TCP 445

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Q

SNMP (Simple Network Management Protocol)

A

UDP 161 (Queries)
162 (Traps)

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Q

LDAP (Lightweight Directory Access Protocol)

A

TCP 389

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Q

RDP (Remote Desktop Protocol)

A

TCP 3389