what is anti ddos

Apache anti-ddos DoS is short for Denial of Service (DoS). DoS attacks are called DoS attacks. It aims to make the computer or network unable to provide normal services, it is a type of malicious attack that has great harm to the network. The full name of DDOS

What is the difference between setting anti-leech protection and not specifying a blank Referer? What is a referer? Here, the Referer refers to a field in the HTTP header, also known as the HTTP source address (HTTP Referer), used to indicate the link from where to the curre

the weapon, so this axe has 36 law also. Reasons for election: In the 2005, the development of information security technology will show obvious polarization trend: the road of integration and specificity of the road. In the security requirements are not too high in the industry, such as school network, and gradually tend to some comprehensive, Taibaodalan comprehensive security products; Another single-minded is also a trend, such as firewalls, IDS

PHP Gets the browser address and then the anti-theft chain, after the refresh will not get the address, what is the matter Ah My x.php code is as follows. The approximate meaning of this code is: I use a site to reference another site's resources. My site

Many users in response to 360 antivirus software uninstall, has been very annoyed. Here, small series to share with you a tutorial on how to uninstall 360 antivirus software. Specific uninstall steps from the Windows Start menu, click "Start-" program-"360 Security Center-" 360 Antivirus ", click on" Uninstall 360 antivirus "menu item From the Windows Start menu, click "Start-" program-"360 Security Center-" 360 Antivirus ", click on the" Uninstall 360 Antivirus "menu item: 360

In computer security protection, we often use anti-virus software and firewall, which play different roles in computer security protection. 1. The firewall is the software located between the computer and the network it connects to. All Network Communication from the computer with the firewall installed goes through the firewall. Using a firewall is the first ste

Anti-DDoS, complete registry settings Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE/system/CurrentControlSet/services/TCPIP/parameters] Disable the invalid gateway check. When the server is configured with multiple gateways, the system will try to connect when the network is not smooth.The second gateway c

1. Ensure that all servers use the latest system and install security patches. The Computer Emergency Response Coordination Center found that almost all systems under DDoS attacks were not patched in time. 2. Ensure that the Administrator checks all hosts, not only key hosts. This is to ensure that the Administrator knows what each host system

1. Make sure all servers have the latest system and security patches. The Computer Emergency Response Coordination Center found that almost every DDoS-attacked system was not patched in time. 2. Make sure that the administrator checks all hosts, not just the critical hosts. This is to make sure that the administrator knows what each host system

Php gets the browser address and then anti-Leech. after refreshing, the address cannot be obtained. what is the problem? nbsp; my x. php code is as follows. This code indicates that I use a website to reference resources of another website. My website is www.123.comnbsp;and

Php gets the browser address and then anti-Leech. after refreshing, the address cannot be obtained. what is the problem? nbsp; my x. php code is as follows. This code indicates that I use a website to reference resources of another website. My website is www.123.comnbsp;and

I checked what Anti-Virus engine I often see in anti-virus software introductions on the Internet. Write down: It is to use the virus library carried by anti-virus software (which is often automatically upgraded), and compare it

security, you can set the maximum connection, single IP connection, and blacklist!Maximum connections:7000-> 30000 (LoginGate) is set to 40 single IP connection is set to: 207100-> 31000 (SelChrGate) is set to 30 single IP connection is set to: 207200-> 32000 (RunGate) is s

What about anti-season fruits and vegetables? Eat! Cloud unintentional (08:22:29)Http://blog.sina.com.cn/s/blog_4a7eba110100xwbv.htmlIn the view of traditional Nursing Home, "Off-season Vegetables" and "off-season fruits" are not compatible with the season, which is harmful to the human body. Some "Nutrition experts" believe that the

Anti-DDoS script # Lightweight prevention against SYN AttacksIptables-N syn-floodIptables-A input-p tcp-syn-J syn-floodIptables-I syn-flood-P TCP-m limit-limit 3/s-limit-burst 6-J returnIptables-a syn-flood-J reject # Prevent too many Dos connections. You can allow up to 15 Initial connections from each IP address of the Internet Nic, exceeding the limit of discardingIptables-A input-I eth0-P TCP-syn-M conn

Defense against DDOS attacks # lightweight prevention of SYN Attacks iptables-N syn-flood iptables-a input-p tcp -- syn-j syn-flood iptables-I syn-flood-p tcp- m limit -- limit 3/s -- limit-burst 6-j RETURN iptables-A syn-flood-j REJECT # prevent too many DOS connections, each IP address of an Internet Nic can have up to 15 Initial connections, discarded iptables-a input-I eth0-p tcp -- syn-m connlimit -- connlimit-abve 15-j DROP iptables-A INPUT-p tc

Several anti-DDoS Methods 1) Use the findwindow API function.You can query the window title (or/and Class Name) to determine whether the program is running. If it is found, it indicates that the program is running, and you can exit the program to achieve the effect of not r

original content to save the contents as follows# Generated by Iptables-save v1.3.5 on Sun Dec 12 23:55:59 2010*filter: INPUT DROP [385,263:27,864,079]: FORWARD ACCEPT [0:0]: OUTPUT ACCEPT [4,367,656:3,514,692,346]-A input-i lo-j ACCEPT-A input-m state–state related,established-j ACCEPT-A input-p icmp-j ACCEPT-A input-s 127.0.0.1-j ACCEPT-A input-p tcp-m tcp–dport 80-m state–state new-m recent–set–name Web–rsource-A input-p tcp-m tcp–dport 80-m state–state new-m recent–update–seconds 5–hitcount

Post this articleArticleIt is caused by seeing an article "talking about" Wheel Theory ". The author's point of view is that, like the wheel theory, there will be no new technology in the world. Is it the limitation of the wheel theory itself? I personally have different opinions. The concept of wheel theory, which I saw for the first time in a Turing

Anti-DDoS: CC attack defense system deployment1. System effect this DDOS Application Layer defense system has been deployed on the http://www.yfdc.org site (if access fails, please directly access the server in China http: // 121.42.45.55 for online testing ). The defense system is at the application layer, which effec