stun

Documentation

Overview

This file implements RFC5780's tests: - 4.3. Determining NAT Mapping Behavior - 4.4. Determining NAT Filtering Behavior

Index

• func GetTCP4MappedAddress(stunServer string) (localAddr string, mappedAddr string, err error)
• type NATFilteringBehavior
  • func FilteringTests(addrStr string, network string) (NATFilteringBehavior, error)
  • func (filtering NATFilteringBehavior) String() string
• type NATMappingBehavior
  • func MappingTests(addrStr string, network string) (NATMappingBehavior, error)
  • func (mapping NATMappingBehavior) String() string

Functions

func GetTCP4MappedAddress

func GetTCP4MappedAddress(stunServer string) (localAddr string, mappedAddr string, err error)

use STUN server to create a new binding and return the local and mapped address

Types

type NATFilteringBehavior

type NATFilteringBehavior int

const (
	EndpointIndependentFiltering NATFilteringBehavior = iota + 10
	AddressDependentFiltering
	AddressAndPortDependentFiltering
	UnknownFiltering
)

func FilteringTests

func FilteringTests(addrStr string, network string) (NATFilteringBehavior, error)

RFC5780: 4.4. Determining NAT Filtering Behavior

func (NATFilteringBehavior) String

func (filtering NATFilteringBehavior) String() string

type NATMappingBehavior

type NATMappingBehavior int

const (
	NoNAT NATMappingBehavior = iota
	EndpointIndependentMapping
	AddressDependentMapping
	AddressAndPortDependentMapping
	UnknownMapping
)

func MappingTests

func MappingTests(addrStr string, network string) (NATMappingBehavior, error)

RFC5780: 4.3. Determining NAT Mapping Behavior

func (NATMappingBehavior) String

func (mapping NATMappingBehavior) String() string