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A year later, in 1991, Rivest developed a more technologically sophisticated MD5 algorithm. It adds the concept of "security-straps" (safety-belts) on the basis of MD4. Although MD5 is slightly slower than MD4, it is safer. This algorithm is clearly composed of four and MD4 designs with a few different steps. In the MD5 algorithm, the size of the information-digest and the necessary conditions for filling are identical to the MD4. Den Boer and Bosselaers have discovered the MD5 algorithm in the fake ...

Kubuntu default IRC Chat tool, IRC is simply chat room. Quassel is an advanced cross-platform, distributed IRC chat client, and the interface is very friendly and powerful. Quassel IRC is a xiandai, cross-platform, distributed IRC client, meaning so one (or ListBox) client (s) can attach to and ...

BitTorrent is a way to download large files. Large files are divided into a number of small pieces and automatically get parts from multiple hosts immediately. At the same time, it will share your already downloaded portions with others so that everyone can share and benefit. This is a good way to download http://www.aliyun.com/zixun/aggregation/13835.html ">ubuntu ISO release, especially when the regular site is slow, it can be downloaded and divided among many users ...

Openfetion is based on gtk++2.0 IM client, using China Mobile letter V4 version of the agreement. Current Http://www.aliyun.com/zixun/aggregation/29707.html "> latest version is v2.0.7, please download the latest version use. Open Source Letter Openfetion 2.02 release, for the previous release of the 2.0 version of a number of improvements. Added the Exit Record window dimension position function;

Azureus is a java-based http://www.aliyun.com/zixun/aggregation/33802.html ">bittorrent client that supports I2P and Tor anonymous communication protocols. It supports Windows,mac OS X,linux and UNIX operating systems. Azureus was first released in SourceForge.net in June 2003, most of them using STA on eclipses ...

The KDE IRC Chat tool, irc++ Simply speaking is the chat room. This is about the development of konversation. Konversation is an easy-to-use IRC client built on top of the KDE platform. It provides support for SSL connections, strikeout, multiple interconnection, away/unaway information, ignore list features, full Unicode support, automatic connection Server, Optional dialog window timestamp, background color, and many other features. Label &htt ...

Postfix is the default message transfer agent (MTA) in Ubuntu. It is http://www.aliyun.com/zixun/aggregation/13835.html "> A software in the main software library of Ubuntu. This means that it has a security update. This guide tells you how to install and configure Postfix and set it up as an SMTP server that uses a secure connection. Postfix features: 1. Post ...

AMSN is a compatible Windows Live http://www.aliyun.com/zixun/aggregation/29846.html ">messenger Protocol (formerly known as MSN Messenger) Many functions of network communication tools. Use the TK/TCL graphics library. aMSN is a feature-rich MSN Messenger software, published under the GNU GPL, in addition to Windows, in many other platforms ...

This guide is for people who want to learn how to configure and maintain a http://www.aliyun.com/zixun/aggregation/33842.html ">dns server, for example, for a network or DNS zones (DNS domain) Domain Name Service, BIND9 is already included in the Ubuntu core library, and BIND9 does not need to enable additional libraries. Before we begin, you should be familiar with Rootsudo. ...

Deluge is a once popular BitTorrent client, because the development of road problems, the status gradually replaced by transmission. Deluge is a http://www.aliyun.com/zixun/aggregation/33802.html ">bittorrent client that uses PYGTK to build a graphical interface, using Libtorrent on the backend. Deluge can be used on multiple platforms, such as linux,* ...

As you know, KDE 4.1 is finally released with many innovative Linux desktop environments. KDE 4 is the next-generation popular K-desktop environment designed to achieve a powerful and easy-to-use desktop for personal and business computing. The new version of KDE offers longer stability and more visual effects than the first release of KDE 4! So if you don't want to download the OpenSUSE Live CD based on KDE 4.1 or want to wait until a KDE4.1.0 stable release as the default desktop ...

&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Although there was a serious memory leak at the end of the day, the RC candidate for Ubuntu 10.04 Lts is on schedule today. The release of the RC candidate includes desktop version, server version, Internet version and the Enterprise cloud Computing and Amazon EC2 Server version, has been basically complete, stable, suitable for a wide range of experience, at the same time ...

Understanding how a virtual domain works is important to understanding the establishment of our virtual messaging system. There are two types of domains in Postfix. Local domain: All mydestination point domains are postfix as local. Messages in the local domain are sent to users who appear in the passwd file and are stored in the/var/mail directory. &http://www.aliyun.com/zixun/aggregation/37954.h ...

It is important to understand how postfix implements mappings. The core of our system is the postfix mapping, where we discuss this issue and don't skip this part. The usual literal meaning of a mapping is to establish a relationship between two values. We must map the Mail user account or email address in postfix. For example, the local alias used by Postfix and the Local System user mapping file:/etc/aliases, shows the mapping structure: postmaster:root This mapping structure causes all to send to p ...

There are a number of http://www.aliyun.com/zixun/aggregation/11243.html "> Help documents on the Web that describe how to create a mail server, Different people have different choices for MTAs. Some people like to use qmail some people like to use Postfix and Exim. For a long time I like to use qmail as my MTA, which is an excellent software. But the qmail need a license, No convenience for users on the platform they are accustomed to using ...

Ubuntu offers four kinds of installation, this article will be the main graphics interface installation, if you want to refer to other installations, please refer to: 1, type mode installation (alternate CD) 2, OEM installation (alternate CD) 3, Server installation (alternate CD) Four installation methods Graphical interface installation (http://www.aliyun.com/zixun/aggregation/16493.html ">desk ...")

The goal of this note is to show you how to make Basic settings for the postfixhttp://www.aliyun.com/zixun/aggregation/12489.html "> Mail Server" in an enterprise environment. The main purpose of this note is to teach you the basic configuration of the Postfix mail server so that it has IMAP and POP3 functions. However, you cannot learn in this note to integrate advanced features like virus filtering and spam filtering in the Postfix mail server ...

LiveCD allows you to experience the operating system without installing to a hard drive. Most Linux desktop distributions offer LiveCD, which is a very effective way to advertise yourself. The use of LiveCD is simple. First set your computer to boot from the CD drive (no?) Get your http://www.aliyun.com/zixun/aggregation/9738.html "> Computer master". Then put the CD in the CD drive and reboot. You don't need anything.

Webmail is a software that allows you to browse e-mail messages from anywhere on any computer in a Web browser. Openwebmail is a simple, fast and popular Webmail package. Its website is here (http://openwebmail.org/). This guide will enable you to install webmail on your server so that you can use it both at home and outside the network. In order to function correctly, you must first complete the following installation: A functioning mail transfer engine, ...

Cited from a process record, the target is a batch of older machines, P4 Celeron/256mb/80g/built-in graphics, should be selected Lubunu/xubuntu. 1, add routers and switches, under the administrative network to establish a subnet segment, so that students network and teacher network separation. 2, all computers into the Linux system, the students only user rights/not the lander has guest permissions, can not destroy the system. Prototype system basic installation using Xubuntu alternate i386 OEM ...