protocols and ports Flashcards

1
Q

port 21 is control port and port 20 transfers files, TCP

A

file transfer protocol (FTP)

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2
Q

designed to transmit data through a remote connection, TCP

A

SSH, 22

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3
Q

uses SSH to encrypt file transfers, TCP

A

SSH File transfer protocol, 22

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4
Q

Cisco proprietary protocol used for authentication, authorization and accounting (AAA) services

A

TACAS+, 49

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5
Q

used to associate IP addresses with domain names. uses both UDP and TCP

A

Domain name System (DNS), 53
uses TCP port 53 for zone transfers and UDP for name services lookups

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6
Q

network management protocol used to assign local IP addresses to devices on a network. used to create multiple private IP addresses from the one public IPv4 address

A

dynamic host configuration protocol (DHCP), 67/68

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7
Q

TCP port used for websites and most internet

A

http, 80

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8
Q

network authentication protocol allows for comm over a non secure network. probably microsoft network, and port

A

kerberos, 88

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9
Q

email protocol allows email clients to comm with email servers. provides only 1 way communication, and port

A

post office protocol (POP), 110

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10
Q

email protocol used by email clients to comm with email servers. provides 2 way comm, TCP

A

Internet message access protocol (IMAP), 143, 993

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11
Q

used to monitor and manage network devices on IP networks

A

simple network management protocol (SNMP 161)/162 (SNMP Trap)

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12
Q

used to manage and comm with directories

A

lightweight directory access protocol (LDAP), 389

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13
Q

secure version of HTTP uses TLS for encryption. TCP

A

HTTPS, 443

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14
Q

secure version of LDAP uses TLS for encryption

A

LDAPS, 636

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15
Q

uses TLS for encryption. can run on ports 20/21 but sometimes allocated ports 989/990

A

file transfer protocol secure (FTPS)

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16
Q

secure version of IMAP, uses TLS for encryption

A

internet message access protocol secure (IMAPS), 993

17
Q

secure version of POP using TLS, uses TCP

A

post office protocol 3 secure (POP3S), 995

18
Q

used to provide AAA for network services

A

remote authentication dial in user service (RADIUS), 1812, 1813

19
Q

developed as an upgrade to radius

A

diameter, 3868

20
Q

replaced RTP, used to stream audio and video comm using UDP

A

secure real time protocol (SRTP), 5004

21
Q

Used to create point to point connections, like VPNs over a UDP connection. Needs IPSec for encryption. Designed as an extension to PPTP. Operates at the data link layer but encapsulates packets at the session layer.

A

layer 2 tunneling protocol (L2TP), 1701

22
Q

one of 2 main protocols of internet protocol (IP) suite used to transmit data over an IP network. provides error checking to ensure packets are not lost in transit
layer 4 transport

A

transmission control protocol (TCP)

23
Q

2nd main protocol in the IP suite that transmits datagrams in a best effort method. does not include error checking

A

user datagram protocol (UDP)

24
Q

based on PPP. deprecated protocol for VPNs

A

point to point tunneling protocol (PPTP), 1723

25
windows proprietary protocol that provides a remote connection between 2 computers, uses TCP
remote desktop protocol (RDP), 3389
26
a means of securely transferring computer files between a local host and a remote host or between two remote hosts. It is based on the Secure Shell (SSH) protocol.
Secure copy protocol (SCP), port 22, TCP
27
a simple lockstep File Transfer Protocol which allows a client to get a file from or put a file onto a remote host. One of its primary uses is in the early stages of nodes booting from a local area network.
Trivial File Transfer Protocol (TFTP), UDP, port 69
28
SFTP
port 22, secure file transport protocol (uses SSH)
29
telnet
23
30
SMTP and protocol
25, simple mail transport protocol, TCP
31
SSL VPN secure sockets layer virtual private network
443
32
non encrypted port for POP3, UDP
110
33
119
NNTP-network news transfer protocol
34
514
syslog
35
port 500
ISAKMP (VPN) internet security association and key management protocol (virtual private network)
36
1701
L2TP-layer 2 tunneling protocol
37
port 123
NTP (network time protocol