Unicom Yundun ddos protection attack protection

What is cloud protection? What kind of cloud protection service is better?

Cloud protection, also known as cloud defense, can resist DDOS attacks, and the maximum security return can be obtained through the cloud firewall network of Shanghai Yundun.

How to prevent ddos attacks?

There are five main preventive measures against ddoS attacks.

1. Expand server bandwidth; The network bandwidth of the server directly determines the ability of the server to resist attacks. So when buying a server, you can increase the network bandwidth of the server.

2. Use a hardware firewall; Some hardware firewalls are mainly based on packet filtering firewall modification, and only check packets at the network layer. If DDoS attacks rise to the application layer, the defense ability will be weak.

3. Choose high-performance equipment; In addition to using hardware to prevent fire. The performance of network devices such as servers, routers and switches also needs to keep up.

4. Load balancing; Load balancing is based on the existing network structure. It provides a cheap, effective and transparent method to expand the bandwidth of network devices and servers, increase the throughput, enhance the network data processing capacity, and improve the flexibility and availability of the network. It is very effective against DDoS traffic attacks and CC attacks.

5. Limit specific traffic; If you encounter abnormal traffic, you should check the access source in time and make appropriate restrictions. To prevent the arrival of abnormal and malicious traffic. Proactively protect website security.

What are the two protection methods of attack protection in Unicom's ddos attack protection products?

The attack protection function of 1 Unicom DDoS attack protection products is usually divided into black hole routing and cleaning protection. 2 Black hole routing: When Unicom's DDoS attack protection system detects the attack traffic, it will directly direct the attack traffic to the fake IP address, thus isolating the attack traffic. This method is fast, but it may also accidentally hurt the normal process. 3 Cleaning protection: When Unicom's DDoS attack protection system detects the attack traffic, it will clean up the attack traffic and pass the normal traffic to the attacked server. This method is slow, but accurate and reliable, and it is not easy to misjudge the normal flow.

Ddos protection method?

1, DDoS network attack protection: When faced with a large number of SYNFlood, UDPFlood, DNSFlood and ICMPFlood attacks, it can quickly block the attack source and ensure the normal operation of the business.

2. Disaster tolerance of domain name resolution dysfunction: When the root domain and top-level domain servers can't serve normally, or even the external authorization servers all fail, a company's next-generation firewall DNS proxy system can still provide normal domain name resolution services as an isolated island.

3.DNS security policy linkage: track and monitor the resolution requests of key domains/domain names, start relevant security linkage measures in case of abnormal situation, and only respond to normal domain names.

4.DNS amplification attack protection: When the traffic of an IP suddenly increases abnormally, it will automatically start IP analysis and security linkage measures to limit the speed of the IP and trim the response results, effectively preventing the DNS server from becoming the source of amplification attacks.

5. Multi-line traffic scheduling disaster tolerance: For customers with multi-line exports, different export strategies can be configured.

6. Weak credential perception: When legitimate users log in to various application management systems through weak passwords, they will be intelligently perceived and informed by security administrators that there is a security risk of weak passwords, thus improving the security level of accounts.

7. Vulnerability attack protection: When attackers list password violence or system vulnerabilities that attack enterprise information assets, they can quickly detect attacks and form effective defense.

8. Botnet detection: When employees in an organization receive malware through instant messaging tools or e-mail, they can quickly detect the malware in the process of communicating with the outside world, thus effectively protecting the internal information of the organization from being leaked.

9.APT targeted attack detection: A company's next-generation firewall can effectively detect APT targeted attacks, zero-day attacks and malware during transmission through various traffic identification algorithms, and keep APT attacks out.