Ports And Protocols Flashcards
File Transfer Protocol (FTP)
20 / 21
-20 is for data transfer , 21 is for file management
-Not secure
Secure Shell Protocol (SSH)
-Port 22 , connection oriented protocol used to set up ( secure ) telnet connections for remote logins
Telnet
Allows Remote access To Text.
Not Secure - port 23
What is (SMTP) ?
Simple Mail protocol. Used to send email Only. Makes sure emails are not spam
- Port 25
Domain Name System or (DNS) ?
Used to resolve host names to IP addresses and uses - Port 53
(DHCP) Dynamic Host Configuration Protocol ?
Assigns IP addresses dynamically to network clients.
-Port 67/68
Hyper Text Transfer Protocol (HTTP)
Manages communications between a web server and a client to view Internet content. (Not secure)
POP3 protocol
Post office Protocol- port 110
Used for downloading email
NetBIOS
137/139 PORT
(IMAP)
New version imap4 is used to download emails over Port- 143
(SNMP) or Simple Network management Protocol.
Used for network management over PORT - 161 /162
(LDAP) lightweight directory access protocol
Port 389 Used to access information stored in a information directory
(HTTPS)
Port 443 Hypertext Transfer protocol
Secure .
(SMB)
Secure Message Block
Port - 445
(RDP) Remote Desktop Protocol
Port -3389
(TCP) vs (UDP)
Transmission control protocol is a connection oriented protocol used to send and receive data over a network and before it sent the connection is established with the receiving host and is considered a reliable protocol because the receiving host acknowledges that it is received the data user data gram protocol is faster, but cannot confirm whether or not the host receives the dataconsidered unreliable
