Common Network Ports Flashcards by Marcellus Unknown

Q

File Transfer Protocol (FTP)

A

TCP 20, 21

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Q

Secure Shell (SSH)

A

TCP & UDP 22

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Q

SCP

A

TCP & UDP 22

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Q

Telnet

A

TCP 23

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Q

Simple Mail Transfer Protocol (SMTP)

A

TCP 25

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Q

IPSec

A

Protocol 50 & 51

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Q

Domain Name Server (DNS)

A

TCP & UDP 53

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Q

Dynamic Host Configuration Protocol (DHCP)

A

UDP 67, 68

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Q

Trivial File Transfer Protocol (TFTP)

A

UDP 69

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Q

HyperText Transfer Protocol (HTTP)

A

TCP 80

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Q

Post Office Protocol (POP3)

A

TCP 110

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Q

Network News Transport Protocol (NNTP)

A

TCP 119

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Q

Network Time Protocol (NTP)

A

UDP 123

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Q

NetBIOS

A

TCP & UDP 135-139

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Q

Internet Message Access Protocol (IMAP4)

A

TCP & UDP 143

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Q

Simple Network Management Protocol (SNMP)

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A

TCP & UDP 161, 162

Q

Lightweight Directory Access Protocol (LDAP)

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A

TCP & UDP 389

Q

HTTP with Secure Sockets Layer (SSL)

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A

TCP & UDP 443

Q

Point-to-Point Tunneling Protocol (PPTP)

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A

TCP 1723

Q

File Transfer Protocol Secure (FTPS)

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A

TCP & UDP 990

Q

RADIUS authentication

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A

UDP 1812

Q

RADIUS accounting

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A

UDP 1813

Q

IPSec (AH - Authentication Header)

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A

Protocol 51 (Authentication)

Q

IPSec (ESP)

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A

Protocol 50 (Encryption)

Netstat

TCP & UDP 15

SMB

TCP 445

Port Map

TCP & UDP 111

L2TP

UDP 1701

MS SQL Server

TCP 1433

Kerberos

UDP 88

SMTP TLS/SSL

TCP 465

IPSec (IKE)

UDP 500

LDAP SSL/TLS

TCP 636

IMAP SSL/TLS

TCP 993

POP SSL/TLS

TCP 995

SFTP

TCP & UDP 22

TACACS+

TCP 49