find low-level DDoS is not working, they will increase the attack strength. At the beginning of our official website, the average number of concurrent only thousands of, then increased to an average of 16,000 concurrent, up to 70,000 concurrent, so that the CPU monitoring on top of the effect, because the w3wp.exe restart, in a very short period of time the CPU to reach 100%.
Number of concurrent connections monitored at that time:
CPU usage and
Major improvements of Tianying anti-DDOS firewall V1.78: protection against multiple SYN variants1. You can defend against Known DDOS, CC, DB, and legendary private servers without any configuration;2. The data analysis function is provided to defend against future attacks;3. Safe and efficient, with extremely low CPU usage;4. Remote connections are provided for
1DOSBlockingPeriod 10Bytes ------------------------------------------------------------------------------------------------Add mod_evasive apache to ispcp to defend against DDOS attacksMod_evasive is a DDOS protection module for Apache (httpd) servers. For WEB servers, It is a better extension module to defend against DDOS
means no wait, and consumes a time of 3 seconds
Copy Code code as follows:
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters]
"TcpMaxConnectResponseRetransmissions" =dword:00000002
Second, the response to DDoS attacks: (including the above settings)
1, SYN attack protection SynAttackProtect:
To protect against SYN attacks, the TCP/IP protocol stack of Window
] "TcpMaxConnectResponseRetransmissions" = dword: 00000002 2. DDOS attacks: (including the preceding settings) 1. SYN Attack Protection SynAttackProtect: to prevent SYN attacks, the TCP/IP protocol stack of the Windows NT system is embedded with the SynAttackProtect mechanism. The SynAttackProtect mechanism is to disable some socket options, add additional connection indication and reduce the timeout, so th
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 that line and hardware faults can be ruled out,
is created by the Routing and Remote Access service.Only firewalls can forward packets between networksA multi-host server should never forward packets between the networks it is connected to. The obvious exception is the firewall.value : ipenablerouterRecommended Value data : 0valid range : 0 (false), 1 (true)Description : Setting this parameter to 1 (true) causes the system to route IP packets between the networks to which it is connected.Masking n
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It has been more than five months since our game was launched in March. Android has opened 100 servers and around 50 IOS servers. There are various stories in the middle. Let's talk about network security today.Security issues are similar to the following:What should I do if my account is secure, my password is lost, and my account is stolen.Server Security: Some people collect game messages, parse, cha
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Website acceleration and Linux Server Protection
Website Acceleration
1. Configure gzip compression for Nginx
After nginx gzip compression is enabled, the size of static resources such as web pages, css, and js will be greatly reduced, which can save a lot of bandwidth, improve transmission efficiency, and give users a quick experience. Although it will consume cpu resources, it is worthwhile to provide a b
Apache1. Hide ServerTokens ProductOnlyServerSignature Off or ServerTokens ProdServerSignature Off2. Disable symbolic link 3. Run nobody4 with a specific user and specify the listening port and ip address (for example, you do not need to provide services with multiple ip addresses) 5. root directory permissions 6. mod_security is an open-source web Application Security Program (or web application firewall) that integrates intrusion detection and defense engine functions ). it runs as an Apache We
Go to: http://jiangwen2011.blog.163.com/blog/static/194801340201181104532377/
Abstract: As the basic outline of game server development, this article is a summary of game practice development. The first part is the professional foundation, which is used to guide recruitment and practice assessment. The second part is the introduction to the
With a single-process server, when I want to join the first game features, I again tangled, this goods is not the last thing I want Ah, I even use a single process to write the whole game, it is not this ah, I want a multi-process server, and the process should be able to communicate, The process can also be dynamic ad
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Record the architecture of our game servergame Server logical architecture diagrammy own design of the game Logic architecture diagramGame Server program frame diagramProgram Entry CodeRead this server-related configurationLog.notice ("config", "Checking Config file:%", conf
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