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TLS/SSL support history of web browsers Browser or OS API Version Platforms SSL protocols TLS protocols Certificate support Vulnerability [n 1] Protocol selection by user [n 2] SSL 2.0 (insecure) SSL 3.0 (insecure) TLS 1.0 (deprecated) TLS 1.1 (deprecated) TLS 1.2 TLS 1.3 EV [n 3] [1] SHA-2 [2] ECDSA [3] BEAST [n 4] CRIME [n 5] POODLE (SSLv3 ...
There is a command-line switch for Google Chrome (--enable-websocket-over-spdy) which enables an early, experimental implementation of WebSocket over SPDY. [44] SPDY protocol functionality can be (de)activated by toggling "Enable SPDY/4" setting on local chrome://flags page.
The client starts an HTTP/1.1 connection and sends an Upgrade: h2c header. If the server supports HTTP/2, it replies with HTTP 101 Switching Protocol status code. The HTTP Upgrade mechanism is used only for cleartext HTTP2 (h2c). In the case of HTTP2 over TLS (h2), the ALPN TLS protocol extension is used instead.
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.
Opportunistic TLS (Transport Layer Security) refers to extensions in plain text communication protocols, which offer a way to upgrade a plain text connection to an encrypted (TLS or SSL) connection instead of using a separate port for encrypted communication.
Official port is 1812. TCP port 1645 must not be used for RADIUS. [150] 1646: No: Unofficial: Old radacct port, [when?] RADIUS accounting protocol. Enabled for compatibility reasons by default on Cisco [citation needed] and Juniper Networks RADIUS servers. [149] Official port is 1813. TCP port 1646 must not be used for RADIUS. [150] 1666 ...
In order for the device to connect to the server, it needs to have certain parameters configured first. These include the URL of the server the device wants to connect to and the interval at which the device will initiate the provisioning session (PeriodicInformInterval). Additionally, if authentication is required for security reasons, data ...
SSL/TLS provides transport-level security with key negotiation, encryption and traffic integrity checking. The use of SSL/TLS over TCP port 443 (by default; port can be changed) allows SSTP to pass through virtually all firewalls and proxy servers except for authenticated web proxies. [1] SSTP servers must be authenticated during the SSL/TLS ...