free ddos protection for website

From the 07 of the Estonian DDoS information war, to this year Guangxi Nanning 30 internet cafes suffered from DDoS ransomware, and then to the Sina network suffered a DDoS attack can not provide external services for more than 500 minutes. DDoS intensified, attacks increased significantly, the attack traffic is also s

room using two-way direct telecommunications line, from the United States computer room directly connected to the domestic, not through the other lines, not through so many nodes, delay greatly reduced. L Service No one can guarantee that the server can never be a problem, all we have to do is to solve the problems in the first time when the server is in trouble, which requires an efficient after-sales team to support. Yao Lei data after-Sales technical department all year round, 7*24*365 after

I'm going to refill a picture on a photo stand, but I find that it has DDos protection enabled. The site displays a piece of text first: This process is automatic. Your Browser would redirect to Your requested content shortly. Ask you to wait a few seconds to detect the browser, and then jump to the correct page with 302 redirects (of course, the correct page address remains the same). The process of wai

the server may have to trace a record from tens of thousands of records to handle the request, a process that is expensive for resources, Common database servers rarely support hundreds of of simultaneous query execution, which is easy for the client, so the attacker can simply submit a query to the host server via proxy proxies, consuming server resources in minutes and causing a denial of service. Common phenomenon is that the site is slow, such as snail, ASP program invalidation, PHP connect

cold, we can treat, but also can be prevented, but not cure, but if we take a positive and effective defense methods, can greatly reduce or slow down the chance of illness, to combat DDoS attacks, It is necessary to have sufficient bandwidth and high-level host hardware, so what is sufficient bandwidth? In general, it should be at least 100M shared, so what is the host hardware that is high enough to configure? In general, it should be at least P4 2.

I. Symptom Analysis there are two main types of Internet access for website Server Operators: Host hosting and self-pulling network leased lines, most people use the former, but many Internet cafe owners use the latter. Whether connected by the former or the latter, users can normally access the website, browse the webpage, listen to music and watch movies online, or participate in Forum posts, assuming tha

Today's theme is Web site attack and website protection. This is the information I have found that can effectively intercept my DDoS a PHP code Query prohibits IP $ip =$_server[' remote_addr ']; $fileht = ". Htaccess2"; if (!file_exists ($fileht)) file_put_contents ($fileht, ""); $filehtarr = @file ($fileht); if (In_array ($ip.) \ r \ n ", $filehtarr)) Die (" Wa

vulnerability;8, optimize the protection rules, improve the overall protection ability;After this update, the website security Dog will continue its strong and comprehensive protection under the Linux system, and continues to provide more secure and free

OWASP, an internationally renowned Web Application Security Organization, held the OWASP 2011 Asia summit at the Beijing International Convention Center in China on November 8-9, CIOs, ctos, and CSO representatives from various industries, as well-known application security experts and vendor representatives at home and abroad. At the conference, a number of security companies were presenting their website security solutions, we suddenly found that a

Xun illegally robbed QQ.com.cn domain name incident. Anti-domain hijacking countermeasures Try to register. com. NET and other international domain names, and then. cn domain name is also not open to individuals (that is, the registration of individuals without legal protection.) ） -------------------------------------------------------------------------------- 4. Anti-piracy infringement Piracy is a big problem in fact, but it is not a problem in

earlier versions of ie are not supported) gzip_vary on; # whether to add the "Vary: Accept-Encoding" Response Header Put the preceding configuration in the http {...} node of nginx. conf. Save and restart nginx to refresh the page (Force refresh to avoid caching. Take Google's browser as an example to view the request response header Through F12. 2. Enable Baidu cloud Acceleration Many websites have begun to use domestic free CDN, that is, cloud acce

Dnguard is a free encryption protection tool in DOTNET kernel mode. This is the first release version. The version number is 1.0. Only 32-bit systems are supported.Currently, we have only performed tests on XP and 2003, and other versions of the system have not yet been tested. If you have any conditions, please try again. Running versionProgramThe. NET 2.0 framework needs to be installed in the system.

I. general website protection methods To address hacker threats, the network security administrator takes various measures to enhance server security and ensure normal operation of WWW services. The following methods can be used to protect WWW servers, like Email and ftp servers on the Internet: Security Configuration Disable unnecessary services. It is best to only provide the WWW Service, install the la

I. general website protection methods To address hacker threats, the network security administrator takes various measures to enhance server security and ensure normal operation of WWW services. The following methods can be used to protect WWW servers, like Email and ftp servers on the Internet: Security Configuration Disable unnecessary services. It is best to only provide the WWW Service, install the late

commercial or free vulnerability scanning and Risk Assessment Tools to regularly scan servers to detect potential security problems, ensure that normal maintenance tasks such as upgrading or modifying configurations do not cause security problems. Intrusion Detection System The real-time monitoring capability of the intrusion detection system (IDS) is used to detect ongoing attack behaviors and test behaviors before the attack, and record the hacker'

I. general website protection methods To address hacker threats, the network security administrator takes various measures to enhance server security and ensure normal operation of WWW services. The following methods can be used to protect WWW servers, like Email and ftp servers on the Internet: Security Configuration Disable unnecessary services. It is best to only provide the WWW Service, install the late

risks.Vulnerability ScansUse commercial or free vulnerability scanning and risk assessment tools to scan servers regularly to identify potential security issues and to ensure that normal maintenance, such as upgrading or modifying configurations, does not create security issues.Intrusion Detection SystemThe real-time monitoring ability of intrusion detection system (IDS) is used to detect the attacking behavior and the heuristic behavior before the a