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Ping
The network utility providing information about reachability of a specified host
TCP
The transport protocol that ensures the reliable, error-free delivery of packages
POP3
The third version of the protocol (RFC 1939) usually used by local e-mail clients to retrieve e-mails from a remote server
UDP
The transport protocol that does not guarantee the data correctness
FTP (protocol)
The protocol used for the transfer of files between the server and the client
SMTP
The Internet standard usually used for sending electronic mail (email)
NTP
The protocol used for time synchronization within computer networks
HTTP
The protocol used to transfer data from web server
revDNS
The part of DNS system responsible for translating IP addresses into domain names
SMB
The protocol used for resource sharing (eg. printers and files)
CIFS
The another name of SMB protocol
BitTorrent
The communications protocol which is used for sharing files in P2P
Telnet
The standard for the protocol responsible for the control of the remote terminal (sending commands etc.)
SSH
The cryptographic network protocol which allows you to connect to a remote computer system
CSMA/CA
The protocol used in the Ethernet for tracking the transfer medium state and avoiding collisions