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The Palm Pre / ˈ p r iː /, styled as palm prē, is a multitasking smartphone that was designed and marketed by Palm with a multi-touch screen and a sliding keyboard. The smartphone was the first to use Palm's Linux -based mobile operating system , webOS . [3]
Transport Layer Security (TLS) is a cryptographic protocol designed to provide communications security over a computer network.The protocol is widely used in applications such as email, instant messaging, and voice over IP, but its use in securing HTTPS remains the most publicly visible.
An expansion of the 400 Bad Request response code, used when a client certificate is required but not provided. 497 HTTP Request Sent to HTTPS Port. An expansion of the 400 Bad Request response code, used when the client has made a HTTP request to a port listening for HTTPS requests. 499 Client Closed Request.
Seeing security certificate errors when visiting certain websites? Learn how to remedy this issue in Internet Explorer.
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 ...
SSL has been succeeded by TLS for most uses. However, the name Cipher Suite was not used in the original draft of SSL. Instead the ability for a client and a server to choose from a small set of ciphers to secure their connection was called Cipher-Choice. It was not until SSL v3 (the last version of SSL) that the name Cipher Suite was used.
Certificate revocation. In public key cryptography, a certificate may be revoked before it expires, which signals that it is no longer valid. Without revocation, an attacker could exploit such a compromised or misissued certificate until expiry. Hence, revocation is an important part of a public key infrastructure.
The Palm Pre 2 / ˈpriː /, styled as palm prē 2, [1] is a slider smartphone designed and marketed by Palm, Inc., and Hewlett-Packard with a multi-touch screen and a physical sliding keyboard. The smartphone is the third to use Palm's Linux -based mobile operating system, webOS (releasing with version 2.0). The Pre 2 functions as a camera ...