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Security+ > Ports and Protocols > Flashcards

Ports and Protocols Flashcards

1
Q

TCP - FTP - used to transfer file from host to host

A

Port 21

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2
Q

TCP/UDP - SSH, SCP, SFTP - Secure Shell is used to remotely administer network devices and systems. SCP is used for secure copy and SFTP for secure FTP

A

Port 22

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3
Q

TCP/UDP - Telnet - unencrypted method to remotely administer network devices (should not be used)

A

Port 23

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4
Q

TCP - SMTP - Simple Mail Transfer Protocol used to send email over the internet

A

Port 25

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5
Q

TCP/UDP - DNS - Domain Name Service is used to resolved hostnames to IPs and IPs to hostnames

A

Port 53

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6
Q

UDP - TFTP - Trivial FTP is used as a simplified version of FTP to put a file on a remote host, or get a file from a remote host

A

Port 69

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7
Q

TCP - HTTP - used to transmit web page data to a client for unsecured web browsing

A

Port 80

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8
Q

TCP/UDP - Kerberos - used for network authentication using a system of tickets within a Windows domain

A

Port 88

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9
Q

TCP - POP3 - Post Office Protocol v3 is used to receive email from a mail server

A

Port 110

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10
Q

TCP - NNTP - Network News Transfer Protocol is used to transport Usenet articles

A

Port 119

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11
Q

TCP/UDP - NetBIOS - use to conduct name querying, sending of data, and other functions over a NetBIOS connection

A

Ports 137-139

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12
Q

TCP - IMAP - Internet Message Access Protocol is used to receive email from a mail server with more features than POP3

A

Port 143

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13
Q

UDP - SNMP - Simple Network Management Protocol is used to remotely monitor network devices

A

Port 161

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14
Q

TCP/UDP - SNMPTRAP - Used to send Trap and InformRequests to the SNMP Manager on a network

A

Port 162

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15
Q

TCP/UDP - LDAP - Lightweight Directory Access Protocol is used to maintain directories of users and other objects

A

Port 389

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16
Q

TCP - HTTPS - used to transmit web page data to a client over an SSL/TLS encrypted connection

A

Port 443

17
Q

TCP - SMB - Server Message Block is used to provide shared access to files and other resources on a network

A

Port 445

18
Q

TCP - SMTP with SSL/TLS - SMTP with secured connection

A

Ports 465 & 587

19
Q

UDP - Syslog - computer message logging especially for routers and firewalls

A

Port 514

20
Q

TCP/UDP - LDAP SSL/TLS - directories of users and objects over encrypted SSL/TLS connection

A

Port 636

21
Q

TCP - iSCI - linking data storage facilities over IP

A

Port 860

22
Q

TCP - FTPS - transferring files from host to host over an encrypted connection

A

Ports 989 & 990

23
Q

TCP - IMAP4 with SSL/TLS - used to receive email from a mail server over an SSL/TLS encrypted connection

A

Port 993

24
Q

TCP - POP3 (SSL/TLS)

A

Port 995

25
Q

TCP - Ms-sql-s - SQL server used to receive SQL database queries from clients

A

Port 1433

26
Q

UDP - RADIUS (alternative) - Remote Authentication Dial-In User Service is used for authentication and authorization and accounting

A

Ports 1645 (authorization) & 1646 (accounting)

27
Q

UDP - L2TP - Layer 2 Tunnel Protocol is used as an underlying VPN protocol but has no inherent security. Should pair with IPSec

A

Port 1701

28
Q

TCP/UDP - PPTP - Point-to-Point Tunneling Protocol is an underlying VPN protocol with built-in security

A

Port 1723

29
Q

UDP - RADIUS - Remote Authentication Dial-In User Service is used for authentication and authorization and accounting

A

Ports 1812 (accounting) & 1813 (authorization)

30
Q

TCP/UDP - FCIP - Fiber Channel IP is used to encapsulate Fiber Channel frames within TCP/IP packets

A

Port 3225

31
Q

TCP - iSCI Target - listening port for a iSCIS targeted divides when linking data storage facilities over IP

A

Port 3260

32
Q

TCP/UDP - RDP - Remote Desktop Protocol is used to remotely view and control other Windows systems via a GUI

A

Port 3389

33
Q

TCP - Diameter - a more advanced AAA protocol that is a replacement for RADIUS

A

Port 3868

34
Q

TCP - Syslog over TLS - used to conduct computer message logging, especially for routers and firewall logs, over a TLS encrypted connection

A

Port 6514

Security+ (3 decks)

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