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Hypertext Transfer Protocol Secure (HTTPS) is an extension of the Hypertext Transfer Protocol (HTTP). It uses encryption for secure communication over a computer network, and is widely used on the Internet. [1] [2] In HTTPS, the communication protocol is encrypted using Transport Layer Security (TLS) or, formerly, Secure Sockets Layer (SSL).
A server implements an HSTS policy by supplying a header over an HTTPS connection (HSTS headers over HTTP are ignored). [1] For example, a server could send a header such that future requests to the domain for the next year (max-age is specified in seconds; 31,536,000 is equal to one non-leap year) use only HTTPS: Strict-Transport-Security: max-age=31536000.
HTTPS Everywhere was inspired by Google's increased use of HTTPS [8] and is designed to force the usage of HTTPS automatically whenever possible. [9] The code, in part, is based on NoScript's HTTP Strict Transport Security implementation, but HTTPS Everywhere is intended to be simpler to use than No Script's forced HTTPS functionality which requires the user to manually add websites to a list. [4]
When using the secure server, most local links automatically use the secure server. When using external links you need to take an additional step. For instance, here's a link to a search for the words "secure server":
In the context of an HTTP transaction, basic access authentication is a method for an HTTP user agent (e.g. a web browser) to provide a user name and password when making a request. In basic HTTP authentication, a request contains a header field in the form of Authorization: Basic <credentials> , where <credentials> is the Base64 encoding of ID ...
A server uses "Alt-Svc" header (meaning Alternative Services) to indicate that its resources can also be accessed at a different network location (host or port) or using a different protocol When using HTTP/2, servers should instead send an ALTSVC frame. [50] Alt-Svc: http/1.1="http2.example.com:8001"; ma=7200: Permanent Cache-Control
OpenSSL is a software library for applications that provide secure communications over computer networks against eavesdropping, and identify the party at the other end. It is widely used by Internet servers, including the majority of HTTPS websites. OpenSSL contains an open-source implementation of the SSL and TLS protocols.
On Windows and Linux, use one of the following: Hold both the Ctrl and ⇧ Shift keys and then press R. Hold the ⇧ Shift key and click the Reload button on the navigation toolbar. Hold the Ctrl key and press the F5 key. On macOS, use one of the following: Hold both the ⌘ Cmd and ⇧ Shift keys and then press R.