SearchVarnish Enterprise
urlplus: Parse, normalize, and manipulate URLs and query strings.headerplus: Create, manipulate, and filter HTTP headers.cookieplus: Create, manipulate, and filter Cookie and Set-Cookie headers.uri: Parse and manipulate Uniform Resource Identifiers (URI).rewrite: Create rulesets for URL pattern matching and substitution.accept: Filter content negotiation headers.xbody: Access and manipulate request and response bodies.edgestash: Personalize cached responses with Mustache templates.bodyaccess: Access the request body.brotli: Compress the response body with Brotli.image: Convert JPEG and PNG images to WebPslicer: Fetch responses with range requests.udo: Static and dynamic backend director with multiple load balancing policies.s3: S3 compatible dynamic backend director with AWSv4 request signing.goto: Simple dynamic backend director with Round-Robin load balancing.leastconn: Static backend director for choosing the backend with the fewest active connections.jwt: Create, parse, and verify JWT and JWS tokens.aclplus: Match client IPs against dynamic ACLs.crypto: Create and verify HMAC signatures, hash and encode strings with various algorithms, and AES encrypt responses in cache.mmdb: Determine a clients geolocation based on IP.asn: Determine a clients Autonomous System Number(ASN) based on IP.deviceatlas: Classify client device type based on User-Agent with DeviceAtlas 2.deviceatlas3: Classify client device type based on User-Agent with DeviceAtlas 3.vsthrottle: Rate-limit clients based on any request attribute.resolver: Verify a users identity with Forward-confirmed reverse DNS (FCrDNS).stat: Output statistics in Prometheus or JSON format.rtstatus: Create a simple monitoring web page.accounting: Categorize traffic and create more granular statistics.std: Standard library with different functions.utils: Additional utilities.str: Helper functions for string manipulation.json: Parse and access JSON.kvstore: Fast key-value store with several data types and scopes.format: Build strings with more complex formats.digest: Hash and encode strings with various algorithms.mse: MSE 3 control.mse4: MSE 4 control.stale: Keep serving content when the backend is down with stale-if-error.probe_proxy: Let probes pass through Varnish before going to the backend.http: Send HTTP requests and parse the response from VCL.sqlite3: Perform operations on SQLite databases from VCL.activedns: Create DNS groups for dynamic backends in udo.synthbackend: Create custom response bodies in VCL.file: Serve responses from the fils system like a web server.prng: Generate large synthetic responses for benchmarking.