What if the site is maliciously attacked and cannot be accessed? What if the server has been attacked? How can I prevent the server from being attacked? There are two common ways for servers to be attacked: CC and DDOS. If it is CC attack, the machine room technology will adjust the policy in time according to the type of attack. CDN service can go through a layer of policy first, which can effectively target CC attack. In the case of DDOS, hard defense must be installed in the equipment room. Sufficient bandwidth is required to solve this problem, and CDN is used for shunt and cleaning. Before using the server, you can take some simple measures to improve the security of the server. What are these measures? How to prevent the server from being attacked? 1, the server must first disable administrator; 2. Upgrade the system, patch the operating system, especially IIS6.0 patch, SQLSP3a patch, and even IE6.0 patch, and timely track the latest vulnerability patches; 3. Start the Internet connection firewall of the system and select the Web server in the service Settings. 4. Disable response to ICMP routing Advertisement packets. 5, Disable Workstation in the service. 6. Prevent IUSR user from promoting permissions. 7, prevent SQL injection; 8. Purchase server defense products; Do a good job of server defense measures, to prevent the main attack is still very necessary, industry or to do a good job of the server protection measures, to prevent malicious attack at any time, reduce the harm brought by the server attack
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