Analysis of the SSL 3.0 Protocol
This note gives a detailed technical analysis of the cryptographic strength of the SSL 3.0 protocol. A number of minor flaws in the protocol and several new active attacks on SSL are presented. [Acrobat] (D. Wagner and B. Schneier)

RFC 2246 - The TLS Protocol Version 1.0
This document specifies Version 1.0 of the Transport Layer Security (TLS) protocol.

SSL encryption check
Access this frameset to test if your browser supports TLS/SSL, and for a report of which cipher and key length is used.

SMTP Service Extension for Secure SMTP over TLS
Document describing the negotiating and upgrading plain socket connection to secure socket connection.

SSL Version 2 Protocol Specification
Superseded by SSL Version 3 and TLS, but implemented by most browsers and secure servers.

HTTP Over TLS
Document providing information and guidelines on using TLS to secure HTTP connections.

The SSL Protocol Version 3.0
The SSL protocol specification. (Netscape)

SSL & TLS
RFC's, drafts, and relevant documents of SSL and TLS in Japanese and English