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Security+ SY0-501 Ports > Protocol to Port > Flashcards

Protocol to Port Flashcards

1
Q

FTP

A

FTP uses 2 ports:

20 for data
21 for connection/command/control

(TCP)

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2
Q

SSH
SFTP
SCP

A

22

SSH, SCP, & SFTP are all secure/encrypted.
TCP

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3
Q

Telnet

A

23

TCP

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4
Q

SMTP

A

25

SMTP - Simple Mail Transport Protocol
Outgoing email
TCP

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5
Q

TACACS

TACACS+

A

49

TACACS - Terminal Access Controller Access Control System

TACACS uses TCP or UDP

TACACS+ is newer version and uses (TCP)

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6
Q

DNS

A

53

Domain Name System (or Service or Server)

(UDP for queries, TCP for zone transfers)

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7
Q

DHCP

A

67 - destination port of a server
68 - port used by client
DHCP (UDP) - Dynamic Host Configuration Protocol

Distributes IP address

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8
Q

TFTP

A

69
TFTP - Trivial File Transport Protocol
(UDP)

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9
Q

HTTP

A

80

HTTP - Hypertext Transfer Protocol
TCP

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10
Q

Kerberos

A

88

Kerberos (TCP,UDP) - network authorization using tickets over unsecure networks, between servers and users.

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11
Q

POP3

A

110
POP3 - Post Office Protocol version 3
(TCP)
Incoming email

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12
Q

NNTP

A

119
NNTP - Network News Transfer Protocol
(TCP)

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13
Q

NTP

A

123
NTP - Network Time Protocol
(UDP)

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14
Q

NetBIOS

A

137-139

NetBIOS - Windows networking

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15
Q

IMAP4

A

143
IMAP4 - Internet Message Access Protocol version 4
(TCP)
Also for incoming email

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16
Q

SNMP

A

161
SNMP - simple network management protocol (UDP)
Version 3 is the most secure so only use this version

17
Q

SNMP Trap

A

162

SNMP Trap - Simple Network Management Protocol Trap (TCP, UDP)

18
Q

LDAP

A

389
LDAP - Lightweight Directory Access Protocol
(TCP, UDP)

19
Q

HTTPS
SSL VPN
FTPS

A

443

HTTPS - Hypertext Transfer Protocol Secure

SSL VPN - Secure Socket Layer Virtual Private Network

FTPS

(TCP)

20
Q

IPsec

A

500
IPsec - Internet protocol security using ISAKMP (Internet Security Association and Key Management Protocol)
(UDP)

21
Q

Syslog

A

514

UDP

22
Q

L2TP

A

1701
L2TP - Layer 2 Tunneling Protocol
(UDP)

23
Q

PPTP

A

1723
PPTP - Point-to-Point Tunneling Protocol
(TCP, UDP)

24
Q

RADIUS

A

1812 for authentication
1813 for accounting

RADIUS - Remote Authentication Dial-In User Service

(UDP)

25
Q

RDP

A

3389
RDP - Remote Desktop Protocol
(TCP, UDP)

26
Q

Echo

A

7

Echo - Performs round trip tests between hosts.

27
Q

Chargen

A

19

Chargen - Character Generator

28
Q

RPC

A

135

RPC - Remote Procedure Call

29
Q

SMB

A

445

SMB - Server Message Block

30
Q

LDAPS

A

636

LDAPS - LDAP over SSL/TLS
Secure Lightweight Directory Access Protocol

31
Q

POP3S

A

995

POP3S - POP3 over SSL (encrypted email retrieval)

32
Q

MS-SQL Database

A

1433

33
Q

IRC

A

6667

IRC - Internet Relay Chat

34
Q

Oracle

A

1521

35
Q

H.323

A

1720

36
Q

HP JetDirect Printing

A

9100

37
Q

Windows File Sharing

A

135, 137-139, 445

137-139 are also NetBIOS

Security+ SY0-501 Ports (2 decks)

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