OpenResty's Official Blog for Technologies & Products

OpenResety Edge Aug 4, 2026

OpenResety Edge Updated Aug 4, 2026 18 mins read

Building a Self-Hosted Live Streaming CDN for HLS with OpenResty Edge

tutorial openresty-edge cache proxy hls live-streaming

• Why live HLS breaks a naive caching setup
• Building it on OpenResty Edge: two page rules with opposite TTLs
• The most critical step: the Use stale proxy cache action
• A shield tier with gateway partitions: collapsing to one fetch network-wide
• Verifying the configuration and load testing
• FAQ

OpenResety Edge Jun 26, 2026

OpenResety Edge Updated Jun 26, 2026 5 mins read

Accurately Restore the Real Client IP Address in OpenResty Edge

tutorial openresty-edge proxy real ip

• Set “Trusted hosts to set real IP” and “Real IP from” Globally
• Configure the Application to Output the Client Address
• Check the Client Address Received on OpenResty Edge
• What is OpenResty Edge

OpenResety Edge Jun 26, 2026

OpenResety Edge Updated Jun 26, 2026 6 mins read

Configuring SNI proxies in OpenResty Edge

tutorial openresty-edge sni proxy tlsedge

• Create an SNI proxy application
• Create an upstream and a page rule for the application
• Test the SNI proxy application

OpenResety Edge Aug 10, 2026

OpenResety Edge Updated Aug 10, 2026 6 mins read

OpenResty Edge TCP Load Balancing: Proxy TCP Services Without Editing Nginx Config

tutorial openresty-edge proxy

• Create a TCP (stream) application in OpenResty Edge
• Add an upstream and page rule for TCP load balancing
• Test the TCP proxy by connecting to MySQL through an edge node
• Frequently asked questions

OpenResety Edge Jun 26, 2026

OpenResety Edge Updated Jun 26, 2026 5 mins read

Configure distributed gRPC proxy in OpenResty Edge

tutorial openresty-edge proxy grpc

• gRPC sample server and sample service
• Use the gRPC server as an upstream
• Test the gRPC service

OpenResety Edge Jun 26, 2026

OpenResety Edge Updated Jun 26, 2026 5 mins read

The EdgeLang DSL in OpenResty Edge

tutorial openresty-edge proxy

• Introduction to Edgelang
• Add a page rule defined using Edgelang
• Test
• Modify the Edgelang definition of the page rule
• Define WAF rules using Edgelang
• Edgelang user manual

OpenResety Edge Aug 10, 2026

OpenResety Edge Updated Aug 10, 2026 6 mins read

Limit Request Rate by Custom Keys in OpenResty Edge

tutorial openresty-edge proxy rate-limit dos-attacks

• Add a request rate-limiting page rule in OpenResty Edge
• Test the rate limit with wrk
• Limit the rate of SSL/TLS handshakes
• OpenResty Edge rate limiting FAQ

OpenResety Edge Aug 10, 2026

OpenResety Edge Updated Aug 10, 2026 6 mins read

How to Run a Real-Time Cache Purge Network-Wide in OpenResty Edge

tutorial openresty-edge proxy cache purge

• Create a real-time cache purge job in OpenResty Edge
• Verify the cache status with the Cache-Status header
• Purge cache across the whole network with no reload
• Purge cache by URL prefix
• Custom purge conditions
• FAQ

OpenResety Edge Aug 10, 2026

OpenResety Edge Updated Aug 10, 2026 7 mins read

Enable HTTP Cache in OpenResty Edge: Proxy Cache Without Cache-Control Headers

tutorial openresty-edge proxy cache

• Enable proxy cache in a page rule and set the cache key
• Test the cache and verify Cache-Status HIT/MISS with curl
• Enforce caching without a Cache-Control header
• Frequently asked questions

OpenResety Edge Aug 10, 2026

OpenResety Edge Updated Aug 10, 2026 8 mins read

How to Set Up a Simple Reverse Proxy and Load Balancer with OpenResty Edge

tutorial openresty-edge proxy upstream

• Set up an OpenResty Edge reverse proxy and load balancer from the web console
• Create an application and an upstream for your backend
• Add a round-robin page rule
• Release the config to every gateway node and verify with curl