Well-known Ports - Ports to Service 7/28 Flashcards by Jeff Detwiler

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Q

TCP 20

A

FTP Data

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Q

TCP 21

A

FTP Control

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Q

TCP 22

A

SSH

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Q

TCP 23

A

Telnet

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Q

TCP 25

A

SMTP

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Q

UDP/TCP 53

A

DNS

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Q

UDP 67

A

DHCP Server

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Q

UDP 68

A

DHCP Client

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Q

UDP 69

A

TFTP

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Q

TCP 80

A

HTTP

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Q

TCP 110

A

POP3

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Q

UDP 161

A

SNMP

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Q

TCP 443

A

SSL

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Q

UDP 514

A

Syslog

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Q

UDP 16,384 to 32,767

A

RTP Voice/Video

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Q

IP 47

A

GRE

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Q

TCP 179

A

BGP

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Q

TCP 49

Study These Flashcards

A

TACACS+

Q

UDP 520

Study These Flashcards

A

RIP

Q

IP 89

Study These Flashcards

A

OSPF

Q

IP 88

Study These Flashcards

A

EIGRP

Q

TCP/UDP 1812

Study These Flashcards

A

RADIUS Authentication (per RFC)

Q

IP 2

Study These Flashcards

A

IGMPv2

Q

UDP 4342

Study These Flashcards

A

LISP Control Plane i.e. Map Notify Msg

UDP 8472

VXLAN (Linux)

IP 103

PIM Control

UDP 123

NTP

IP 51

IPSec Authentication Header (AH)

UDP 500

ISAKMP

IP 50

ESP

UDP 4341

LISP Data Plane header

UDP 4789

VXLAN (IANA)

TCP 1646

RADIUS Accounting (Cisco)

TCP/UDP 1813

RADIUS Accounting (per RFC)

IP 33434

Traceroute

TCP 1645

RADIUS Authentication (Cisco)

IP 112

VRRPv3

UDP 1985

HSRPv1 and v2

UDP 2029

HSRP for IPV6

TCP 6514

Syslog over TLS

IP 6

TCP

IP 17

UDP

TCP/UDP 646

MPLS Label Distribution Protocol (LDP)

UDP 162

SNMP Traps