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Security Plus 701 > Port Numbers > Flashcards

Port Numbers Flashcards

1
Q

Port 21

A

TCP- File Transfer Protocol is used to transfer files from host to host.

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2
Q

Port 22

A

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

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3
Q

Port 23

A

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

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4
Q

Port 25

A

TCP - SMTP, Simple Mail Transfer Protocol is used to send email over the Internet

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5
Q

Port 53

A

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

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6
Q

Port 69

A

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.

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7
Q

Port 80

A

TCP - HTTP, Hyper Text Transfer Protocol is used to transmit web page data to a client for unsecured web browsing

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8
Q

Port 88

A

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

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9
Q

Port 110

A

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

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10
Q

Port 119

A

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

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11
Q

Port 135

A

TCP/UDP - Remote Procedure Call is used to located DCOM ports request a service from a program on another computer on the network

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12
Q

Port 137-139

A

TCP/UDP - NetBIOs, is used to conduct name querying, sending of data, and other functions over a NetBIOS connection.

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13
Q

Port 143

A

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

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14
Q

Port 161

A

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

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15
Q

Port 162

A

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

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16
Q

Port 389

A

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

17
Q

Port 443

A

TCP - HTTPS, Hyper Text Transfer Protocol Secure is used to transmit web page data to a client over an SSL/TLS-encrypted connection.

18
Q

Port 445

A

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

19
Q

Port 465/587

A

TCP - SMTP, Simple Mail Transfer Protocol used to send email over the Internet with an SSL and TLS secured connection.

20
Q

Port 514

A

UDP - Syslog, is used to conduct computer message logging, especially for routers and firewall logs.

21
Q

Port 636

A

TCP/ UDP - LDAP, is used to maintain directories of users and other objects over an encrypted SSL/TLS connection

22
Q

Port 860

A

TCP - iSCSI is used for linking data storage facilities over IP.

23
Q

Port 989/990

A

TCP - FTPS, File Transfer Protocol Secure is used to transfer files from host to host over an encrypted connection

24
Q

Port 995

A

TCP - POP3, Post Office Protocol v3 is used to receive email from a mail server using an SSL/TLS-encrypted connection.

25
Q

Port 993

A

TCP- IMAP4, Internet Message Access Protocol is used to receive email from a mail server over an SSL/TLS-encrypted connection

26
Q

Port 1433

A

TCP- Microsoft SQL server is used to receive SQL database queries from clients

27
Q

Port 1645/1646

A

UDP- RADIUS, Remote Authentication Dial-In User Service is used for authentication and authorization (1645) and accounting (1646).

28
Q

Port 1701

A

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

29
Q

Port 1723

A

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

30
Q

Port 1812/1813

A

UDP - RADIUS, Remote Authentication Dial-In User Service is used for authentication and authorization (1812) and accounting (1813).

31
Q

Port 3225

A

TCP/ UDP - FCIP, Fibre Channel IP is used to encapsulate Fibre Channel frames within TCP/IP packets.

32
Q

Port 3260

A

TCP - iSCSI Target is as the listening port for iSCSI-targeted devices when linking data storage facilities over IP.

33
Q

Port 3389

A

TCP/ UDP - RDP, Remote Desktop Protocol is used to remotely view and control other Windows systems via a Graphical User Interface.

34
Q

Port 3868

A

TCP - DIAMETER, A more advanced AAA protocol that is a replacement for RADIUS

35
Q

Port 6514

A

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

Security Plus 701 (4 decks)

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