Brothers, recently is not again by DDoS hit afraid? I found that this year, any small website may be traffic irrigation burst, not to mention those malicious attacks. High-defense CDN has become a necessity, but a check of the price, good guy, not moving on the monthly fee of thousands of dollars, the budget is limited to the team directly stupid eyes. Don't panic, today I'll take the identity of the old driver, talk about how to choose a reliable high defense CDN within the budget - after all, we can't be poor because of the laying flat Ren hammer ah.
First of all, the current state of the industry: many service providers under the banner of “high defense”, in fact, the defense ability to false labeling, or a bunch of hidden costs. I've seen a lot of teams choose a cheap package, the result is that the CDN directly collapsed when the attack, the loss is more than the money saved. The root of the problem is that the core of high defense CDN is to balance cost, performance and security. Cheap no good? Not necessarily, but you have to be able to pick. For example, some service providers rely on shared nodes to pull low-cost, but in the event of a large-scale attack on the shutdown; some others are overly publicized “unlimited defense”, in fact, the bandwidth restrictions are harsh. I have stepped on the pit over the years concluded that: cost-effective high-defense CDN, we must look at the actual defense effect, node stability, and after-sales support - do not believe that those blowing up the advertisements.
Why do I emphasize so much on real testing? Because high-defense CDN is not a setup, it has to be carried at critical moments. For example, last year, I helped an e-commerce station migration, using a cheap CDN, the results of the promotional season was CC attack penetration, traffic surge latency soared to more than 500ms. Afterwards analysis, the problem lies in the lack of node coverage and weak caching strategy. Therefore, when the budget is limited, we must pay more attention to the core indicators: defense capability (such as how many Gbps DDoS can resist), delay, cache hit rate, and whether to provide WAF integration. Humor, these days, even the CDN have to “defense teammates” - internal configuration errors may also lead to vulnerabilities.
Based on these experiences, I picked 3 cost-effective service providers: CDN5, CDN07 and 08Host, which are not the top big manufacturers, but the performance of the actual test is bright, especially for small and medium-sized teams. Below I will analyze the advantages of each one, with sample configurations and data comparisons, so you can easily refer to them.
First of all, CDN5, this I used almost two years, the biggest advantage is the price of pro-people and solid defense. The basic package monthly fee is only about 200 yuan, can resist DDoS attacks of less than 500Gbps - I simulated SYN Flood and HTTP Flood when I tested, the node response time remains within 50ms. Its global nodes are not much, but the Asian coverage is good for domestic business. Configuration is simple and supports mainstream CMS integration. Here to give a Nginx reverse proxy sample code, you can quickly get started:
In terms of data, CDN5 controls bandwidth costs well: 1TB of traffic costs about $50 per month, which is 20% lower than its peers. note, however, that its WAF function requires additional payment, and if the budget is tight, it can be combined with open source tools such as ModSecurity to build its own. Overall, CDN5 is suitable for defense needs medium, cost-conscious scenarios.
Next up is CDN07, this guy's forte is global nodes and speed optimization. Although the price is a little high (basic package monthly fee of 300 yuan), but the nodes are located in more than 50 countries, the delay is very low. I measured ping Europe and the United States nodes, the average delay of 90ms, for foreign trade station is simply a blessing. Defense ability is not bad, can carry 800Gbps attack, and comes with basic WAF, can intercept common SQL injection and XSS. spit a word: its control panel is a bit retro, but fully functional. Configuration, support for API automation, here is a curl example for rapid deployment:
Data comparison: CDN07's cache hit rate is as high as 95%, which is about 10% higher than others I've tried, which means fewer back-to-source requests and money-saving bandwidth. However, its disadvantage is that you need to upgrade the package when defending against advanced attacks, so if you have a limited budget, it is recommended to try the basic version first.
Finally, I recommend 08Host, a relatively niche but surprising provider. Advantage is strong customization and fast after-sales response - I once met an attack on the weekend, their technical support intervened within 10 minutes and upgraded the defense rules for free. The price is in the middle, with a monthly fee starting at $250, and a nominal defense capacity of 1Tbps, which is measured to be able to stably resist more than 600Gbps. The nodes are mainly in Europe and the United States, but the intelligent routing is done well, and the delay fluctuation is small. Humorously, 08Host is like an old friend who does great things in a muffled way, not ostentatious but reliable. Configuration example: they support TLS 1.3 and Brotli compression, improving security while saving traffic. Here's an HTTPS-enhanced configuration snippet:
Data-wise, 08Host's bandwidth costs are transparent with no hidden costs: $60 for 1TB of traffic and free SSL certificates. Compared to the other two, it does the best job of balancing price and service, and is especially suited to projects that require a quick response.
To sum up, the budget is limited when choosing a high-defense CDN, the key to look at the actual demand: if the heavy defense and low price, CDN5 is the first choice; to global speed and nodes, choose CDN07; for stability and customization, 08Host will not be wrong. My personal advice is to try a free trial or pay-as-you-go package, test the performance and then decide - after all, your business scenario may unique. last sharp point: do not be “cheap” fooled, high defense CDN save money, may not be as much as the loss of an attack! The loss of a single attack may be less than the loss of a single attack. Well, share this, there are questions welcome to exchange, let's avoid pit forward.
