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Sec + > Ports > Flashcards

Ports Flashcards

1
Q

SSH, SCP, SFTP

A

TCP/UDP 22

Secure Shell is used to remotely administer network devices and systems. SCP is used for secure copy and SFTP for secure FTP.

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2
Q

Telnet

A

TCP/UDP 23

Unencrypted method to remotely administer network devices (should not be used)

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3
Q

FTP

A

TCP 21

File Transfer Protocol is used to transfer files from host to host

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4
Q

SMTP

A

TCP 25

Simple Mail Transfer Protocol is used to SEND email over the Internet

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5
Q

DNS

A

TCP/UDP 53

Domain Name Service is used to resolve hostnames to IPs and IPs to hostnames

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6
Q

TFTP

A

UDP 69

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

HTTP

A

TCP 80

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

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8
Q

Kerberos

A

TCP/UDP 88

Used for network authentication using a system of tickets within a Windows domain

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9
Q

POP3

A

TCP 110

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

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10
Q

NNTP

A

TCP 119

Network News Transfer Protocol is used to transport Usenet articles

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11
Q

RPC/DCOM-scm

A

TCP 135

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

NetBios

A

TCP/UDP 137-139

NetBIOS is used to conduct name querying, sending of data, and other functions over a NetBIOS connection

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13
Q

IMAP

A

TCP 143

Internet Message Access Protocol is used to RECEIVE email from a mail server with more features than POP3

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14
Q

SNMP

A

UDP 161

Simple Network Management Protocol is used to remotely monitor network devices

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15
Q

SNMPTRAP

A

TCP/UDP 162

Used to send Trap and InformRequests to the SNMP Manager on a network

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16
Q

LDAP

A

TCP/UDP 389

Lightweight Directory Access Protocol is used to maintain directories of users and other objects

17
Q

HTTPS

A

TCP 443

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

18
Q

SMB

A

TCP 445

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

19
Q

SMTP with SSL/TLS

A

TCP 465/587

Simple Mail Transfer Protocol used to send email over the Internet with an SSL and TLS secured connection

20
Q

Syslog

A

UDP 514

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

21
Q

LDAP SSL/TLS

A

TCP/UDP 636

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

22
Q

iSCSI

A

TCP 860

iSCSI is used for linking data storage facilities over IP

23
Q

FTPS

A

TCP 989/990

File Transfer Protocol Secure is used to transfer files from host to host over an encrypted connection

24
Q

IMAP4 with SSL/TLS

A

TCP 993

Internet Message Access Protocol is used to receive email from a mail server over an SSL/TLSencrypted connection

25
Q

POP3/ssl

A

TCP 995

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

26
Q

Ms-SQL-s

A

TCP 1433

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

27
Q

RADIUS (alt)

A

UDP 1645/1646

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

28
Q

L2TP

A

UDP 1701

Layer 2 Tunnel Protocol is used as an underlying VPN protocol but has no inherent security

29
Q

PPTP

A

TCP/UDP 1723

Point-to-Point Tunneling Protocol is an underlying VPN protocol with built-in security

30
Q

RADIUS

A

UDP 1812/1813

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

31
Q

FCIP

A

TCP/UDP 3225

Fibre Channel IP is used to encapsulate Fibre Channel frames within TCP/IP packets

32
Q

iSCSI Target

A

TCP 3260

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

33
Q

Diameter

A

TCP 3868

A more advanced AAA protocol that is a replacement for RADIUS

34
Q

RDP

A

TCP/UDP 3389

Remote Desktop Protocol is used to remotely view and control other Windows systems via a Graphical User Interface

35
Q

Syslog over TLS

A

TCP 6514

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

Sec + (2 decks)

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