COMPUTER THREATS SECURITY
WHAT IS A FIREWALL IN NETWORK SECURITY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
http
|
|
|
https
|
|
|
ntp
|
|
|
smtp
|
Detailed explanation-1: -Port 80 is the port number assigned to commonly used internet communication protocol, Hypertext Transfer Protocol (HTTP). It is the default network port used to send and receive unencrypted web pages.
Detailed explanation-2: -HTTP Communication As mentioned previously, the HTTP Server utilizes the well-known TCP port 80 (443 for HTTPS) to field Client requests.
Detailed explanation-3: -All network-connected devices come equipped with standardized ports that have an assigned number. These numbers are reserved for certain protocols and their associated function. Hypertext Transfer Protocol (HTTP) messages, for example, always go to port 80–one of the most commonly used ports.
Detailed explanation-4: -By default, these two protocols are on their standard port number of 80 for HTTP and 443 for HTTPS.