Protocol Port #'s Flashcards by Andrew Kent | Brainscape

Q

Telnet

A

TCP 23

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Q

SSH

A

TCP 22

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Q

DNS

A

UDP 53

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Q

SMTP

A

TCP 25

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Q

SFTP

A

TCP 22 (runs over SSH)

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Q

FTP

A

TCP 20 active mode

TCP 21 control

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Q

TFTP

A

UDP 69

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Q

DHCP

A

UDP 67

UDP 68

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Q

HTTP

A

TCP 80

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Q

HTTPS

A

TCP 443

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Q

SNMP

A

UDP 161

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Q

RDP (Remote Desktop Protocol)

A

TCP 3389

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Q

NTP

A

UDP 123

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Q

SIP

A

TCP 5060

TCP 5061

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Q

SMB

A

TCP 445

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Q

POP 3

A

TCP 110

Q

IMAP 4

A

TCP 143

Q

LDAP

A

TCP 389

Q

LDAP SECURE

A

TCP 636

Q

H.323

A

TCP 1720

Q

IPsec VPN

A

500