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DDoS Thailand Hosting Guide

By CloudPicked Review Team•Updated 14 June 2026•5 min read
DDoS Thailand Hosting Guide

Contents

  1. What is DDoS Attack
  2. DDoS Attack
  3. DDoS
  4. Cloud: Cloudflare DDoS
  5. Hosting DDoS Protection
  6. Defense in Layers Defense in Depth
  7. Rate Limiting L7 DDoS
  8. CDN DDoS
  9. DDoS

What is DDoS Attack

DDoS (Distributed Denial of Service) attacks flood target servers with massive fake traffic, overwhelming them into failure. Attacks come from multiple sources simultaneously (botnet), making them harder to block than simple DoS attacks.

DDoS Attack

L3/L4 (Network/Transport Layer): Volume-based attacks like UDP Flood, SYN Flood sending massive packets. L7 (Application Layer): HTTP Flood with complex requests, harder to detect than L3/L4 because requests appear as normal traffic.

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DDoS

DDoS causes website downtime, halted revenue, blocked customers, reputation damage, abnormal bandwidth charges (some providers bill overages), and may serve as a diversion while the real attack targets another layer.

Cloud: Cloudflare DDoS

Cloudflare's DDoS Mitigation automatically detects and filters attack traffic at its 310+ city edge network. The Free plan protects against unlimited L3/L4 attacks. Pro/Business plans add more comprehensive L7 WAF and Advanced DDoS Mitigation.

Hosting DDoS Protection

Quality hosting providers include DDoS protection, but levels vary. Basic protection usually covers L3/L4. For more comprehensive L7 protection, use Cloudflare alongside. Some VPS providers like OVH include advanced DDoS protection.

Defense in Layers Defense in Depth

Effective DDoS protection requires multiple layers: 1. CDN/Proxy (Cloudflare) filters traffic first 2. Hosting provider DDoS protection 3. Server firewall (iptables/nftables) 4. Web server rate limiting 5. Application-level validation.

Rate Limiting L7 DDoS

Rate Limiting restricts requests per IP per time period — e.g., 100 requests/minute; if exceeded, block or challenge with CAPTCHA. Protects against L7 HTTP Flood. Not included in Cloudflare WAF free plan, but available in Pro plan or configurable directly on Nginx.

CDN DDoS

CDN hides the real origin server IP, making attackers target CDN edges instead. CDN edges have much greater capacity and include traffic scrubbing systems to filter attacks. Cloudflare hides origin IP through Orange Cloud Mode.

DDoS

Cloudflare Free: unlimited L3/L4 DDoS — sufficient for most websites. Cloudflare Pro $20/month: adds L7 WAF and Advanced Rules. Enterprise DDoS Mitigation: $1,000+/month for large businesses.

Frequently Asked Questions (FAQ)

Do small websites need DDoS Protection?
Every website should enable Cloudflare for free because it protects against L3/L4 DDoS at no cost. Small websites are usually not the main target of DDoS, but may suffer Collateral Damage from an IP shared with a target. Cloudflare solves this by hiding the Origin IP.
What should you do during a DDoS attack?
1. Enable Cloudflare Under Attack Mode immediately. 2. Check the Hosting Logs to see which IP the Traffic comes from. 3. Block the IP Range if possible through the Firewall. 4. Contact Hosting Support to report a DDoS. 5. Consider Upgrading your Cloudflare Plan if the Attack continues.
How is DDoS Protection different from a WAF?
DDoS Protection guards against Volume-based Attacks (Packet Floods) that try to take the Server down. A WAF (Web Application Firewall) guards against Application Attacks such as SQL Injection, XSS, and Bots. Both are necessary: DDoS protects Availability, the WAF protects Data.
Can Cloudflare hide the Origin Server IP 100%?
Cloudflare can hide the IP if every DNS Record uses the Orange Cloud (Proxy). The risks of the IP leaking are: having once Pointed the Domain directly before Cloudflare (Historical DNS), the Email Header revealing the IP, and Sub-services that are not Proxied such as an API Subdomain.