Well-known Ports - Service to Ports Flashcards by Jeff Detwiler

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Q

FTP Data

A

TCP 20

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Q

FTP Control

A

TCP 21

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Q

SSH

A

TCP 22

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Q

Telnet

A

TCP 23

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Q

SMTP

A

TCP 25

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Q

DNS

A

UDP/TCP 53

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Q

DHCP Server

A

UDP 67

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Q

DHCP Client

A

UDP 68

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Q

TFTP

A

UDP 69

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Q

HTTP

A

TCP 80

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Q

POP3

A

TCP 110

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Q

SNMP

A

UDP 161

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Q

SSL

A

TCP 443

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Q

Syslog

A

UDP 514

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Q

RTP Voice/Video

A

UDP 16,384 to 32,767

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Q

GRE

A

IP 47

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Q

BGP

Study These Flashcards

A

TCP 179

Q

TACACS+

Study These Flashcards

A

TCP 49

Q

RIP

Study These Flashcards

A

UDP 520

Q

OSPF

Study These Flashcards

A

IP 89

Q

EIGRP

Study These Flashcards

A

IP 88

Q

RADIUS Authentication (per RFC)

Study These Flashcards

A

TCP/UDP 1812

Q

IGMPv2

Study These Flashcards

A

IP 2

Q

PIM Control

Study These Flashcards

A

IP 103

NTP

UDP 123

IPSec Authentication Header (AH)

IP 51

ISAKMP

UDP 500

ESP

IP 50

LISP Data Plane header

UDP 4341

LISP Control Plane i.e. Map Notify Msg

UDP 4342

VXLAN (IANA)

UDP 4789

VXLAN (Linux)

UDP 8472

RADIUS Accounting (Cisco)

TCP 1646

RADIUS Accounting (per RFC)

TCP/UDP 1813

Traceroute

IP 33434

RADIUS Authentication (Cisco)

TCP 1645

VRRPv3

IP 112

HSRPv1 and v2

UDP 1985

HSRP for IPV6

UDP 2029

Syslog over TLS

TCP 6514

TCP

IP 6

UDP

IP 17