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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).
Platforms SSL 2.0 (insecure) SSL 3.0 (insecure) TLS 1.0 (deprecated) TLS 1.1 (deprecated) TLS 1.2 TLS 1.3 EV certificate SHA-2 certificate ECDSA certificate BEAST CRIME POODLE (SSLv3) RC4 FREAK Logjam Protocol selection by user Microsoft Edge (12–18) (EdgeHTML-based) Client only Internet Explorer 11 [n 20] Windows Schannel: 11 12–13
Server Name Indication. Server Name Indication (SNI) is an extension to the Transport Layer Security (TLS) computer networking protocol by which a client indicates which hostname it is attempting to connect to at the start of the handshaking process. [1] The extension allows a server to present one of multiple possible certificates on the same ...
The Online Certificate Status Protocol (OCSP) stapling, formally known as the TLS Certificate Status Request extension, is a standard for checking the revocation status of X.509 digital certificates. [1] It allows the presenter of a certificate to bear the resource cost involved in providing Online Certificate Status Protocol (OCSP) responses ...
There are two different protocols you can choose when setting up a third-party email app: POP or IMAP. POP downloads a copy of your emails from your account (mail.aol.com) to the app. This means that if you delete an email from your account after it's been downloaded, the downloaded copy remains in the app. Additionally, POP only downloads ...
Credit card security. When you make a purchase on AOL, we'll only finish the transaction if your browser supports SSL. As you enter your credit card number, SSL encodes it so it's transmitted in a format that prevents eavesdropping or data theft. When it's received by our secure server, your credit card number is never transmitted over the ...
The Online Certificate Status Protocol (OCSP) is an Internet protocol used for obtaining the revocation status of an X.509 digital certificate. [2] It is described in RFC 6960 and is on the Internet standards track. It was created as an alternative to certificate revocation lists (CRL), specifically addressing certain problems associated with ...
Seeing security certificate errors when visiting certain websites? Learn how to remedy this issue in Internet Explorer.