2009
2008
Using Nagios to Monitor Networks
by lecyborg
Nagios is a powerful, modular network monitoring system that can be used to monitor many network services like smtp, http and dns on remote hosts. It also has support for snmp to allow you to check things like processor loads on routers and servers. I couldn't begin to cover all of the things that nagios can do in this article, so I'll just cover the basics to get you up and running.
DNSstuff: DNS tools, DNS hosting tests, WHOIS, traceroute, ping, and other network and domain name tools.
by lecyborg
DNSreport - What is it?
This test provides comprehensive information (56 tests, to be exact) about the specified domain that may verify DNS 'health' or identify problems or issues.
2007
OpenDNS | Providing A Safer And Faster DNS
by brianwaustin & 23 others
OpenDNS is a safer, faster, smarter and more reliable way to navigate the Internet. Theservice is free and requires nothing to download.
Active Wall Free Edition
by lsjames
Active Wall Free Edition is the professional and free gateway filtering software. The main functions are url wildcard filter, web content filter, post keyword filter, upload file wildcard filter, traffic monitor. It installed in gateway server and provides continuous enterprise-wide protection against the full range of Internet threats, from viruses and phishing attacks to inappropriate use of system resources to regulatory non-compliance.
Active Wall Free Edition includes the following plugins: Show Flux,HTTP Filter. 10 License only, free forever.
http://download.lanctrl.com/en/awallfree.msi
Free Whois Anywhere
by lsjames
Free whois anywhere. Search across all Generic Top Level Domains and most Country Code Top Level Domains. It can also search IP information from ARIN WHOIS database.
Clients of DNS Root Servers - 2002-08-28
by sylvainulg (via)
according to "OASIS", 'measurements at DNS root servers [] have shown many resolvers use dynamically-assigned addresses'
协议欺骗攻击技术常见种类简析及防范 - 技术应用子站 - 赛迪网
by realmip
在局域网中，通信前必须通过ARP协议来完成IP地址转换为第二层物理地址（即MAC地址）。ARP协议对网络安全具有重要的意义，但是当初ARP方式的设计没有考虑到过多的安全问题，给ARP留下很多的隐患，ARP欺骗就是其中一个例子。而ARP欺骗攻击就是利用该协议漏洞，通过伪造IP地址和MAC地址实现ARP欺骗的攻击技术。
2006
Linux-France Inetdoc
by vrossign
Tutoriaux réseaux.
Téléchargement: http://www.linux-france.org/prj/inetdoc/telechargement/
