S-HTTP

S-HTTP
SHTTP im TCP/IP‑Protokollstapel:
Anwendung SHTTP
Transport TCP
Internet IP (IPv4, IPv6)
Netzzugang Ethernet Token
Bus		 Token
Ring		 FDDI …

S-HTTP oder auch SHTTP steht für Secure Hypertext Transfer Protocol, ein Protokoll der Internetprotokollfamilie, das 1995 von Enterprise Integration Technologies entwickelt wurde. Es definiert eine verschlüsselte Datenübertragung über das Hypertext Transfer Protocol (HTTP), also den Datenaustausch zwischen Webserver und Webbrowser im World Wide Web.

Nicht alle Webbrowser unterstützen S-HTTP. Das Protokoll wird mit dem Status „Experimental“ von der IETF als RFC 2660 geführt.

Heute wird stattdessen meist Hypertext Transfer Protocol Secure (HTTPS) verwendet, das die Daten über einen sicheren SSL/TLS-Tunnel zwischen Server und Client überträgt. S-HTTP dagegen verschlüsselt jede einzelne Anfrage, kapselt also die Nutzdaten; die Header dagegen nicht.

Weblinks

  • RFC 2660 – The Secure HyperText Transfer Protocol, August 1999

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