In the previous blog (http://cloudapps.blog.51cto.com/3136598/1708539), we described how to use Apache's module Mod_evasive to set up anti-DDoS attacks, in which The main prevention is the HTTP volume attack, but the DDOS attack way, a lot of tools,
1. Overview
With the development of information technology, various network security problems are emerging. Although WLAN has the advantages of easy to expand, flexible to use and economical, it is particularly vulnerable to the security aspect
When it comes to DDoS attacks, many people are not strangers. Last week, December 29, local time, the dedicated virtual server provider, Linode, was subjected to a DDoS attack that directly impacted the access of its Web server, where API calls and
First, what is a Dos attackDOS is the abbreviation of Denial of service, that is, denial of services, the DOS attack is called Dos attack, the purpose is to make the computer or network can not provide normal service. The most common Dos attacks are
This morning, the server was under ddos attack. Fortunately, the other party only used a computer without thousands of Trojans. Otherwise, the server would crash. I found a tutorial on the Internet and solved it successfully. So I recorded the
We will encounter DDoS attacks when we operate on the service device. So know the principle of DDoS attack is very important, then we need to know not only the concept of DDoS attack principle, but more importantly to know the back of the DDoS
The heart of the people must not be. There are always some boring or intentional people on the Internet. I don't have much to say. On dry Goods, configure VPS APF to prevent small traffic DDoS attacks.
For large traffic DDoS attacks, the need for
Reason
PHP script part of the source code:
Copy the Code code as follows:
$fp = Fsockopen ("udp://$ip", $rand, $errno, $ERRSTR, 5);if ($fp) {Fwrite ($fp, $out);Fclose ($FP);
PHP script in the Fsockopen function, to the external address, through the
A local area network has a computer in the virus, if not timely anti-virus and isolation, other machines will soon be infected with the virus. Once the virus infected the whole machine, light cut off the net anti-virus, put a lot of manpower and
Have Internet cafes or computer room management experience friends must know that the virus in the machine is very annoying things, especially the intranet server DDoS attacks and switch DDoS attacks, directly affect the security of Internet Café
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