Ports/Protocols Flashcards
FTP
-File Transfer Protocol
- Ports 20. 21
-Provides UNENCRYPTED file transfers between client and server.
SSH
-Secure Shell
-Port 22
- Provides secure remote control of another machine using a text-based environment.
SFTP
-Secure File Transfer Protocol
- Port 22
- Provides secure file transfers
Telnet
-Port 23
-Provides insecure remote control of another machine used a text-based (command prompt) environment.
SMTP
Simple Mail Transfer Protocol
-Port 25
-Provides the ability to send emails over the network
CSMA/CD
Carrier Sense Multiple Access with Collison Detection- Ethernet protocol governing contention and media access
DNS
Domain Name System
-Port 53
-Converts IP addresses to domain names, and domain names to IP addresses.
DHCP
Dynamic Host Configuration Protocol
-Ports 67, 68
-Automatic providence of network parameters to clients, including assigned IP address, subnet mask, default gateway, and the DNS server the client should use.
TFTP
Trivial File Transfer Protocol
-Port 69
-Lightweight file transfer method for sending configuration files or network booting of an operating system.
HTTP
Hypertext Transfer Protocol
-Port 80
-Used for insecure web browsing
POP3
Post Office Protocol version 3
-Port 110
-Used for receiving INCOMING emails
NTP
Network TIme Protocol
-Port 123
-Used to keep accurate time for clients on a network
NetBIOS
Network Basic Input/Output System
-Port 139
-Used for file or printer sharing in a WIndows network
SNMP
Simple Network Management Protocol
-Ports 161, 162
-Used to collect data about network devices and monitor their status
IMAP
Internet Message Application Protocol
-Port 143
-Newer method of retrieving INCOMING emails which improves upon the older POP3
LDAP
Lightweight Directory Access Protocol
-Port 389
-used to provide directory services to your network
SMB
Server Message Block
-Port 445
-Used for Windows file and printer sharing services
HTTPS
HTTP Secure
-Port 443
-Used as a secure and encrypted version of web browsing using SSL (secure socket layer) or TLS (Transport Layer Security)
Syslog
System Logging Protocol
-Port 514
-Used to send logging data back to a centralized server
SMTP TLS
SMTP over Transport Layer Security
-Port 587
-Secure and encrypted way to send emails
LDAPS
LDAP Secure
-Port 636
-Provides secure directory services
IMAP over SSL
IMAP over Secure Socket Layer
-Port 993
-Secure and encrypted way to receive emails
POP3 over SSL
-Port 995
-Sure and encrypted way to RECEIVE emails
SQL
Structured Query Language Server Protocol
-Port 1433
-Used for communication from a client to the database engine
