starttls certificate

The "Transport Layer Security Protocol" evolved from SSL can use encryption technology to protect the privacy of TCP communication (information leakage) and integrity (whether data is tampered with during transmission ). RFC 3207 specifies an

Background Due to the heart of openssl recently, I changed the ssl library 1.0.1g. I need to use this library to connect to the server. However, after I find that the Library is replaced, for some domain names, the ssl handshake will fail. In order

PostfixForTlsYes. It is provided by a set of patch files written by lutz janicke. This set of patch files can be obtained from the add-on software link on the postfix homepage. If you use the pre-compiled postfix package that is included with the

By default, SMTP traffic is not encrypted, which leads to e-mail communication on the public network as if it were broadcast, and anyone who intercepts the message can easily read its contents. But there are many sensitive messages in the real world

iOS Development Basics-Fragmentation 211:[uiscreen Mainscreen].scale Knowledge pointsWhen the screen is 640x940 [[UIScreen Mainscreen] scale]=2.0 when the screen is 320x480 respectively [[UIScreen Mainscreen] scale]=1.02: How to draw 1-pixel line

Basic knowledge of IOS development-fragment 21, basic knowledge of ios-Fragment   1: [UIScreen mainScreen]. scale knowledge point When the screen is 640x940, [[UIScreen mainScreen] scale] = 2.0 when the screen is 320xlarge, [[UIScreen mainScreen]

Internet Browsing Mailbox Server configuration article, was a text pit after one, see an article on the mailbox server configuration write very detailed.I can see the author is very patient Ah, turn around to make a file reference, and thank the

Secure Sockets Layer (SSL) and later versions: Transport Layer Security (TLS) are two of the most widely used protocols used to encrypt data transmitted between servers and clients. These protocols often use X.509 certificates and asymmetric

TLS:Transport Layer Security, as well as the predecessor Secure Sockets Layer (secure Sockets layer, SSL), is a security protocol designed to provide security and data integrity assurance for Internet communications. Netscape (Netscape) launched the

TOC Network Working Group P. Saint-Andre, Ed. Internet-Draft XMPP standards Foundation Obsoletes: 3920 (if approved) October 16,200 8