Protocols Flashcards
What is ICMP?
Internet Control Message Protocol: used t o send Error message and operational information indicating for example a requested service is not available or that host or router could not be reached.
Traceroute command uses ICMP
Operates at layer 3
What is IPSEC
Internet Protocol Security is a secure network protocol suite that authenticates and encrypts the packet of data sent over an IP network used by VPN.
Operates at layer 3
ARP
Address Resolution Protocol is a communication protocol used for discovering the link layer address such as MAC address within a giving network
Layer 2 protocol
PPP
Point to Point its establish direct communication between two nodes.
Operates at level 2
Slip
Serial Link Internet protocol is an encapsulation of IP designed to work over serial ports.
Operates at level 2
RPC
Remote procedure call. When a program causes a procedure to execute at a different space.
operates at layer 5 uses UDP or TCP
NFS
Network File systems is a distributed file system protocol that allows access to field over the network
used UDP by default
Net Bios
Provides communication services on local network.
Commonly used on windows
SMTP
Simple Mail transfer protocol used for sending e-mail
uses TCP
CSMA/CD
Carrier-sense multiple access with collision detection-used in ethernet to prevent collision. While it does not prevent it helps manage to resolve it.
Operates at layer 1
FTP
File Transfer Protocol is a standard network protocol used for transfer of computer files between two nodes.
Operates at layer 7
Uses TCP
Bittorrent
Is a peer to peer protocol for file sharing.
uses TCP
operates at layer 7
DNS
Domain Name System: Resolves domain names to corresponding IP address
TCP uses Zone transfer
UDP use name queries
Microsoft-DS Active DIrectory
A domain controller by windows to help manage users and devices on a network.
Bootstrap Protocol
is used automatically assign an IP to a network device from configuration server
TCP
WINS
Windows Internet Naming Service
Uses TCP
RMP
Reliable Multicast Protocol - is a multiple sender multiple receiver transport layer protocol for range of multicast application.
POP or POP3
Post Office Protocol retrieves email from an e-mail server
TCP
IMAP
Internet message access protocol is a mail protocol used for retrieves email on a remote web server from a local client
TCP
SNMP
Simple Network Management Protocol used to monitor and manage network devices
UDP
TFTP
Trivial File Transfer Protocol: Transfers files with a remote host.
UDP
Rlogin & rsh
Remote login is a unix program that allows user to log in on another host.
TCP
Does not require a user type his or her username
if it is a trusted hosted does not ask for a password.
LDAP
Lightweight directory Access Protocol - client-server protocol for accessing directory services specifically x.500-bases directory services
TCP
NTP
Network Time Protocol used for clock synchronization between computer system over packet-switched, variables latency data networks.
UDP
SSH
Secure Shell: Securely connect to a remote host
TCP
SFTP
Secure FTP similar to FTP over SSH
TCP
SCP
Secure Copy Provides a secure file-transfer service over a Ssh connection and offers files original date and time information.
TCP
HTTP
Hypertest Transfer Protocol retrieves content from a web server
tcp
HTTPS
Hypertext Transfer Protocol secure retrieve content over the web securely.
tcp
Telnet
Used to connect to a remote host.
TCP
Server Message Block
used to share files, printers, and other networks resources
tcp
DHCP
Dynamic Host Configuration Protocol: Dynamically assigns IP address information to a network service
UDP
NNTP
Network News Tranport Protocol supports the posting and reading of articles on usenet new servers
TCP
SNTP
Simple Network Time Protocol: Support time synchronization about network devices.
UDP
H.323
is a signaling protocol that provides multimedia communications over a network.
