Using cURL to Test Origin Server Responses
Curl, or cURL, is a utility that’s shipped by default on operating systems like MacOS and many Linux distributions that allows you to send an HTTP request to a URL and receive the result. In this post, we’ll walk you through how to use the tool to test an origin server’s response.
Staying Secure
All blog posts
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Using cURL to Test Origin Server Responses
Curl, or cURL, is a utility that’s shipped by default on operating systems like MacOS and many Linux distributions that allows you to send an HTTP request to a URL and receive the result. In this post, we’ll walk you through how to use the tool to test an origin server’s response.
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AI Agents on Fastly Compute: How it Works and What Makes it Secure
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Break Free from ESI Lock-in: Learn How to Migrate Today with Fastly
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DDoS in December 2025
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Streamlining User Experiences While Fighting Bots
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DDoS in November
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Vibe Shift? Senior Developers Ship nearly 2.5x more AI Code than Junior Counterparts
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React2Shell Continued: What to know and do about the 2 latest CVEs
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Fastly’s Proactive Protection for React2Shell, Critical React RCE CVE-2025-55182 and CVE-2025-66478
Protect your apps from the critical React RCE bugs (CVE-2025-55182/66478). Fastly's NGWAF Virtual Patch provides proactive defense.
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CAPTCHAs Are Costing Retailers Customers — Heavy AI Users Are the First to Walk Away
Our original survey of 881 online shoppers shows CAPTCHAs are quietly killing conversions especially among heavy AI users.
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Three application security trends to monitor in 2025
Discover how cybersecurity professionals are adapting to a rapidly changing landscape. Explore insights on growth, consolidation, and automation in security strategies.
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Beyond CRUD: Advanced Features of Fastly’s KV Store
Go beyond CRUD with Fastly’s KV Store. Use metadata, generation markers and TTL to build faster, safer edge applications.
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Top-Rated CDN Security for Video Playback
Learn how CDNs secure video playback with encryption, token authentication, DRM support, DDoS protection, and bot mitigation
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Top CDN Solutions for Viral Content Distribution
Discover the best CDN solutions for viral content distribution. Compare Fastly, Cloudflare, and more for performance, and security during traffic spikes.
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Top Akamai Alternatives and Competitors
Compare top Akamai alternatives and competitors, including Fastly, Cloudflare, AWS CloudFront, and Google Cloud CDN
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Best API Security Testing Tools and Checklist for 2026
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