protocols Flashcards
Used to manipulate files. Copies files, lists and manipulates directories, views file contents.
Uses two ports for file management and data transfer
FTP
File Transfer Protocol
Ports 20 and 21
Connection-oriented protocol used to set up secure connections for remote logins
SSH
Secure Shell
Port 22
A terminal emulation program that allows for remote access to another computer, has a particular characteristic.
Telnet
Insecure
Port 23
Sends email only, is a push protocol.
SMTP
Simple Mail Transfer Protocol
Port 25
Converts domain names to IP addresses
DNS
Domain Name Systems
Port 53
Automatically assigns IP addresses and other configurations to devices.
DHCP
Dynamic Host Configuration Protocol
Server: Port 67
Port 68
Manages communications between a web server and a client to view internet content.
HTTP
Hypertext Transfer Protocol
Not secure, transmits in plain text
Port 80
Used for downloading email.
POP3
Post Office Protocol
Port 110
Works over OSI layer 4 and needs to work with a layer 5 protocol, TCP/IP, to function properly.
NetBIOS
Network Basic Input/Output Systems
Ports 137 and 139
In its 4th version, currently. Downloads Email.
IMAP
Internet Message Access Protocol
Secure
Port 143
Used for managing networks.
SNMP
Simple Network Management Protocol
Sending/receiving requests: Port 161
Receives transmissions from managed devices: Port 162
Used for accessing information stored in a directory.
LDAP
Lightweight Directory Access Protocol
Port 389
Securely manages web server/client communications
HTTPS
Hypertext Transfer Protocol Secured
Port: 443
Allows remote connection to computers.
RDP
Remote Desktop Protocol
Port: 3389
Two versions, one is enhanced, both use one port. Used for shared file access.
SMB/CIFS
Server Message Block/ Common Internet File Systems
CIFS is an enhanced SMB
Port 445
