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6.0.7

Building for sources

  • Cloning the repository
  • Building with apkg
  • Building with Meson
    • Dependencies
    • Compilation
    • Build options
      • Customizing compiler flags
    • Tests
      • Unit tests
      • Postinstall tests
      • Config tests
      • Extra tests
      • Useful meson commands
    • Documentation
    • Tarball
    • Packaging
      • Systemd
      • Trust anchors
  • Docker image

Lua configuration

  • Syntax
  • Documentation Conventions
  • Modules
    • modules.list()
    • modules.load()
    • modules.unload()
  • Networking and protocols
    • Server (communication with clients)
      • Addresses and services
        • net.listen()
        • PROXYv2 protocol
        • Features for scripting
      • DoT and DoH (encrypted DNS)
        • DNS-over-TLS (DoT)
        • DNS-over-HTTPS (DoH)
        • Configuration options for DoT and DoH
        • Configuration options for DoH
      • Other HTTP services
        • Example configuration
        • HTTPS (TLS for HTTP)
        • Legacy DNS-over-HTTPS (DoH)
        • Built-in services
        • Dependencies
    • Client (retrieving answers from servers)
      • IPv4 and IPv6 usage
        • net.outgoing_v4()
        • net.outgoing_v6()
    • DNS protocol tweaks
      • DNS protocol tweaks
        • net.bufsize()
  • Performance and resiliency
    • Cache
      • Sizing
      • Persistence
      • Configuration reference
        • cache.open()
        • cache.backends()
        • cache.count()
        • cache.close()
        • cache.fssize()
        • cache.stats()
        • cache.max_ttl()
        • cache.min_ttl()
        • cache.ns_tout()
        • cache.get()
        • cache.clear()
    • Multiple instances
      • Zero-downtime restarts
      • Instance-specific configuration
    • Prefetching records
      • Expiring records
      • Prediction
      • Example configuration
      • Exported metrics
      • Properties
        • predict.config()
    • Cache prefilling
      • Dependencies
    • Serve stale
      • Running
    • Root on loopback (RFC 7706)
    • Priming module
    • EDNS keepalive
    • XDP for higher UDP performance
      • Prerequisites
      • Set up
      • Optimizations
      • Limitations
  • Policy, access control, data manipulation
    • Query policies
      • Filters
        • all()
        • pattern()
        • suffix()
        • domains()
        • suffix_common()
        • custom_filter()
      • Actions
        • Non-chain actions
        • Chain actions
        • Actions for extra logging
        • Custom actions
      • Forwarding
        • FORWARD()
        • STUB()
      • Forwarding over TLS protocol (DNS-over-TLS)
        • TLS_FORWARD()
        • CA+hostname authentication
        • Key-pinned authentication
        • TLS Examples
        • Forwarding to multiple targets
      • Replacing part of the DNS tree
      • Response policy zones
        • rpz()
      • Additional properties
        • add()
        • del()
        • todnames()
    • Views and ACLs
      • Example configuration
      • Rule order
      • Properties
    • Static hints
      • Examples
      • Properties
        • hints.config()
        • hints.add_hosts()
        • hints.get()
        • hints.set()
        • hints.del()
        • hints.root_file()
        • hints.root()
        • hints.use_nodata()
        • hints.ttl()
    • DNS64
      • Simple example
      • Advanced options
    • IP address renumbering
      • Example configuration
    • Answer reordering
      • reorder_RR()
    • Rebinding protection
    • Refuse queries without RD bit
    • DNS Application Firewall
      • Example configuration
      • Web interface
      • RESTful interface
  • Logging, monitoring, diagnostics
    • log_level()
    • verbose()
    • log_target()
    • log_groups()
    • DNSSEC validation failure logging
    • Statistics collector
      • Built-in statistics
      • Module reference
        • stats.get()
        • stats.set()
        • stats.list()
        • stats.upstreams()
        • stats.frequent()
        • stats.clear_frequent()
      • Graphite/InfluxDB/Metronome
        • Dependencies
      • Prometheus metrics endpoint
    • Scripting worker
      • worker.stats()
    • Name Server Identifier (NSID)
    • Debugging a single request
      • Using query policies
      • Using HTTP module
    • Watchdog
    • Dnstap (traffic collection)
    • Sentinel for Detecting Trusted Root Keys
    • Signaling Trust Anchor Knowledge in DNSSEC
    • System time skew detector
    • Detect discontinuous jumps in the system time
  • DNSSEC, data verification
    • trust_anchors.add_file()
    • trust_anchors.remove()
    • trust_anchors.set_insecure()
    • trust_anchors.add()
    • trust_anchors.summary()
    • mode()
  • Experimental features
    • Run-time reconfiguration
      • Control sockets
        • map()
      • Lua scripts
        • Helper functions
      • Asynchronous events
        • Timers and events reference
        • Asynchronous function execution
      • Etcd support
        • Example configuration
        • Dependencies
    • Experimental DNS-over-TLS Auto-discovery
      • How it works
      • Generating NS target names
      • Example configuration
      • Caveats
      • Dependencies
  • Custom HTTP services
    • Custom RESTful services

C API

  • Knot Resolver library
    • Requirements
    • For users
    • For developers
    • Writing layers
    • APIs in Lua
      • Elementary types and constants
      • Working with domain names
      • Working with resource records
      • Working with packets
      • Working with requests
      • Significant Lua API changes
        • Incompatible changes since 3.0.0
    • API reference
      • Name resolution
        • Example usage of the iterative API:
      • Cache
      • Rules
      • Nameservers
      • Modules
      • Utilities
      • Generics library
        • array
        • queue
        • pack
        • lru
        • trie
  • Modules API reference
    • Supported languages
    • The anatomy of an extension
    • Writing a module in Lua
    • Writing a module in C
    • Configuring modules
    • Exposing C module properties
      • Special properties
  • Worker API reference
  • Logging API reference

Architecture

  • Manager’s development guide
    • Development environment
      • Tools
      • First run of the Manager from source
      • Helper scripts
      • Code editor
    • Code structure
      • The subprocess controllers
      • Processing of config change requests
    • Packaging
    • Testing
  • System architecture
    • Knot Resolver startup
    • Failure handling
    • Individual components
      • kres-manager
        • API
        • Config processing
        • Actual manager
        • Interactions with supervisord
      • kresd
      • kres-cache-gc

Infrastructure

  • Documentation in GitLab Pages
    • Automatic generation
    • Environment removal
Knot Resolver
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