openssl

Some days ago on the Internet to see some of the introduction of OpenSSL, feel very interesting, so do a program, the basic realization of the digital certificate production, SSL security communications, encryption and decryption operations,

Disclaimer: Some of the articles in this article refer to some articles on the web, and all the code in the article is tested on the CentOS 6.2 X84 64-bit system. First, download the package wget http://mozbuildtools.googlecode.com/files/libiconv-

Glusterfs is mainly used in cluster system and has good scalability. The structure of the software is good, easy to expand and configure, through the flexible collocation of each module to get targeted solutions. Resolves the following issues:

Method One: #include #include #include int main (int argc, char **argv) { Md5_ctx CTX; unsigned char *data= "123"; unsigned char md[16]; Char buf[33]={' i '}; Char tmp[3]={' i '}; int i; Md5_init (&CTX); Md5_update (&ctx,data,strlen (data)); Md5_

Apmserv file with 7-zip compression, compared with WinRAR compression reduced 10M volume, please run Apmserv5.2.6_zip.exe Self-extracting package, apmserv to a path without Chinese characters and spaces in the partition or directory. --------------

Instance The code is as follows      /**        * Generate signature content based on original text       *        * @param string $data original content       *        * @return String       */ function

Compile parameters: ./configure \ --prefix=/usr/local/php5 \ --with-apxs2=/usr/local/apache2/bin/apxs \ --enable-shared \ --with-libxml-dir \ --with-gd \ --with-openssl \ --enable-mbstring \ --with-mcrypt \ --with-mysqli \ --with-mysql

What is keepalived, keepalived the name known, keep alive, in the network is to remain online, which is called high availability or hot standby, to prevent a single point of failure (single point of failure is that once a point of failure will lead

OpenSSL is an open source for the implementation of the SSL protocol products, it mainly includes three parts: the password algorithm library, applications, SSL protocol library. OpenSSL implements most of the algorithms required by the SSL protocol.

SendMail can achieve normal send mail, if only simple build will appear security risks, such as we installed in the server Wireshark by grasping the packet can know the user and password. [Root@localhost server]# Yum Install Wireshark–y

Linux generates random password methods: Strings/dev/urandom | Grep-o ' [[: Alnum:]] ' | Head-n 30 | Tr-d ' n '; Echo Linux Modify Password Method: passwd Root Then enter the new password two times Root can be replaced by the user who needs to

Lighter Wamp, the program installation process it prompts you to change the default 80 port for the service port, the software has no Control panel, but all operations in the Start menu to add a shortcut. Software Download Address:

The Enterprise Linux distribution CentOS has released a new version 6.5. CentOS 6.5 is based on the upstream version of EL6.5, and its major changes include: Precision time Protocol has now been fully supported. OpenSSL has been updated to

Step 1: Configure Apache to support SSL Find the following two lines to remove the previous comment # LoadModule Ssl_module modules/mod_ssl.so Include conf/extra/httpd-ssl.conf Step 2: Generate the certificate and private key file for the Web

Nginx the principle advantages of reverse proxy: A reverse proxy can be simply understood to be a proxy server that receives a server request on the Internet, then forwards the request to the internal server, and then returns the result to the

Curl-loader Introduction Curl-loader (also known as "Omes-nik" and "Davilka") is an open source C language-written tool that simulates the application load and the behavior of thousands of hundreds of thousands of of people's Http/https and

Linux operating system: centOS6.3 64bit nginx:nginx-1.4.0 mysql:mysql-5.6.10 php:php-5.4.13 I. Installing the development pack (using the default CentOS update source): # yum-y Install wget gcc-c++ ncurses ncurses-devel cmake make Perl bison