Java数字签名,当然每个客户端还是需要安装JRE的，不过现在的浏览器安装时都已经自动安装了...

本实例将通过ISAPI实现限制IP访问的功能，也就是对指定IP开放WWW服务。-example of the realization by ISAPI restrictions IP access function, which is open to designated IP WWW service.

基于Ar-Drone的SDK代码，该代码只有控制Drone和获取导航数据所需的库。有3个文件夹，文件夹电机控制AR无人机的单个电机，包括.h，它是一个简单的套接字消息。文件夹navdata包含一个Codebloks项目，其中包含获取无人机navdata所需的库和“keycontrol”文件夹，其中包含一个用键盘控制无人机移动的代码。

安全套接字层 -Security socket layer

新型的计算机网络介绍及应用，网络技术飞速发展，希望对您有所帮助-Introduce a new type of computer networks and applications, rapid development of network technology, and they hope to help you

XMail is an Internet and intranet mail server featuring an SMTP server, POP3 server, finger server, multiple domains, no need for users to have a real system account, SMTP relay checking, RBL/RSS/ORBS/DUL and custom ( IP based and address based ) spam protection, SMTP authentication ( PLAIN LOGIN CRAM-MD5 POP3-before-SMTP and custom ), a POP3 account syncronizer with external POP3 accounts, account aliases, domain aliases, custom mail processing, direct mail files delivery, custom mail filters, mailing lists, remote administration, custom mail exchangers, logging, and multi-platform code. XMail sources compile under GNU/Linux, FreeBSD, OpenBSD, NetBSD, OSX, Solaris and NT/2K/XP.

C#源码，用于监听一个端口，转发到指定IP 端口的另一台计算机。一般用于熟悉C#的人使用，可自由修改一适应编程环境的需要。

用perl写得一个完整的网络爬虫，支持内容过滤分类。支持很高的用户定义，搜索的结果可以存储到mysql或者zerba数据库，因为有完全的源码，对于学习和实用都很有价值。-a search engine system which combine with mysql or zerba database, suport content fliter.

苹果风格的论坛 asp编写，采用的是雪人的核心-Apple style forum asp preparation, the Snowman is the core

利用网卡id号自动注册-id card use, automatic registration

本系统是网络上的个人共享文件系统，支持多人注册使用，可在线上传文件、管理自己的文件，还可设置共享权限，便于将自己的文件同其它人分享，使用方法同资源管理器。管理员可在线管理注册帐号，支持每个用户的单独空间大小设置。特色：登录时验证码控制安全登录；支持大文件及多文件上传；可共享文件，并可设置读写权限；支持文件搜索；每个人可单独设置空间大小。需.Net环境支持。-the network system is the personal file-sharing system to support people registered, and can be used to upload documents online, manage their documents, but also set up shared jurisdiction, to facilitate their documents to share with other people, to use the same resources manager. Administrators can register online account management and support each user a separate space set size. Characteristics : login validation code control of the security login; Support for large files and multiple file uploads; File sharing and may set up literacy competence; Supporting documents search; Everyone can set up separate space size. Need. Net environmental support.