iptables

package
v1.4.1 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Jul 7, 2023 License: AGPL-3.0 Imports: 16 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	FilterChainInput    = `NgingFilterInput`
	FilterChainOutput   = `NgingFilterOutput`
	FilterChainForward  = `NgingFilterForward`
	NATChainPreRouting  = `NgingNATPreRouting`
	NATChainPostRouting = `NgingNATPostRouting`
)
View Source 
const CommentPrefix = `NgingStatic`

Variables

View Source 
var (
	RefFilterChains = map[string]string{
		FilterChainInput:   enums.ChainInput,
		FilterChainOutput:  enums.ChainOutput,
		FilterChainForward: enums.ChainForward,
	}
	RefNATChains = map[string]string{
		NATChainPreRouting:  enums.ChainPreRouting,
		NATChainPostRouting: enums.ChainPostRouting,
	}
	FilterChains = []string{FilterChainInput, FilterChainOutput, FilterChainForward}
	NATChains    = []string{NATChainPreRouting, NATChainPostRouting}
)
View Source 
var ModuleList = []string{`comment`, `string`, `time`, `connlimit`, `limit`}

Functions

func IsExist added in v1.3.5 

func IsExist(err error) bool

func IsSupported added in v1.3.2 

func IsSupported() bool

func LineCommentParser added in v1.3.2 

func LineCommentParser(findComments []string) func(i uint, t string) (rowInfo cmdutils.RowInfo, err error)

func ResetCheck added in v1.3.2 

func ResetCheck()

Types

type Base added in v1.3.5 

type Base struct {
	*iptables.IPTables
}

func (*Base) AsWhitelist added in v1.3.5 

func (a *Base) AsWhitelist(table, chain string) error

func (*Base) DeleteByPosition added in v1.3.5 

func (a *Base) DeleteByPosition(table, chain string, pos uint64) (err error)

func (*Base) FindPositionByID added in v1.3.5 

func (a *Base) FindPositionByID(table, chain string, id uint) (uint, error)

func (*Base) Stats added in v1.3.5 

func (a *Base) Stats(table, chain string) ([]map[string]string, error)

type HashLimitMode added in v1.3.5 

type HashLimitMode string
const (
	HashLimitModeSrcIP   HashLimitMode = `srcip`
	HashLimitModeSrcPort HashLimitMode = `srcport`
	HashLimitModeDstIP   HashLimitMode = `dstip`
	HashLimitModeDstPort HashLimitMode = `dstport`
)

type IPTables 

type IPTables struct {
	IPProtocol driver.Protocol
	// contains filtered or unexported fields
}

func New 

func New(proto driver.Protocol, autoInstall bool) (*IPTables, error)

func (*IPTables) Append 

func (a *IPTables) Append(rules ...driver.Rule) (err error)

func (*IPTables) AsWhitelist added in v1.3.2 

func (a *IPTables) AsWhitelist(table, chain string) error

func (*IPTables) Base added in v1.3.5 

func (a *IPTables) Base() *Base

func (*IPTables) Clear added in v1.3.5 

func (a *IPTables) Clear() error

func (*IPTables) Delete 

func (a *IPTables) Delete(rules ...driver.Rule) (err error)

func (*IPTables) Enabled 

func (a *IPTables) Enabled(on bool) error

func (*IPTables) Exists 

func (a *IPTables) Exists(rule driver.Rule) (bool, error)

func (*IPTables) Export 

func (a *IPTables) Export(wfwFile string) error

func (*IPTables) FindPositionByID added in v1.3.5 

func (a *IPTables) FindPositionByID(table, chain string, id uint) (uint, error)

func (*IPTables) Import 

func (a *IPTables) Import(wfwFile string) error

func (*IPTables) Insert 

func (a *IPTables) Insert(rules ...driver.Rule) (err error)

func (*IPTables) Reset 

func (a *IPTables) Reset() error

func (*IPTables) Update added in v1.1.0 

func (a *IPTables) Update(rule driver.Rule) error

Update update rulespec in specified table/chain

type ModuleComment added in v1.3.2 

type ModuleComment struct {
	Comment string // 注释
}

func (*ModuleComment) Args added in v1.3.2 

func (m *ModuleComment) Args() []string

func (*ModuleComment) ModuleStrings added in v1.3.2 

func (m *ModuleComment) ModuleStrings() []string

func (*ModuleComment) String added in v1.3.2 

func (m *ModuleComment) String() string

func (*ModuleComment) Strings added in v1.3.2 

func (m *ModuleComment) Strings() []string

type ModuleConnLimit added in v1.3.2 

type ModuleConnLimit struct {
	Upto  uint64 // 如果连接数低于或等于此值，则匹配
	Above uint64 // 如果连接数高于此值，则匹配
	Mask  uint16 // 此选项不能单独使用，在使用–connlimit-above选项时，配合此选项，则可以针对”某类IP段内的一定数量的IP”进行连接数量的限制。例如 24 或 27。
}

ModuleConnLimit 限制每个IP的最大连接数

func ParseConnLimit added in v1.3.7 

func ParseConnLimit(limitStr string) (*ModuleConnLimit, error)

func (*ModuleConnLimit) Args added in v1.3.2 

func (m *ModuleConnLimit) Args() []string

func (*ModuleConnLimit) ModuleStrings added in v1.3.2 

func (m *ModuleConnLimit) ModuleStrings() []string

func (*ModuleConnLimit) String added in v1.3.2 

func (m *ModuleConnLimit) String() string

func (*ModuleConnLimit) Strings added in v1.3.2 

func (m *ModuleConnLimit) Strings() []string

type ModuleHashLimit added in v1.3.5 

type ModuleHashLimit struct {
	Upto         uint64        // 如果速率低于或等于此值，则匹配
	Above        uint64        // 如果速率高于此值，则匹配。
	Unit         string        // 时间单位 second、minute、hour、day
	Burst        uint          // 指定令牌桶中令牌的最大数量
	Mode         HashLimitMode // 一个用逗号分隔的对象列表。如果没有给出–hashlimit-mode选项，’hashlimit’ 的行为就像 ‘limit’ 一样，但是在做哈希管理的代价很高。
	Mask         uint16        // 当mode设置为 srcip 或 dstip 时, 配置相应的掩码表示一个网段。例如8、16、24、32
	Name         string        // 定义这条hashlimit规则的名称, 所有的条目(entry)都存放在 /proc/net/ipt_hashlimit/{foo} 里。
	Buckets      uint          // 散列表的桶数（buckets）
	MaxEntries   uint          // 散列中的最大条目
	ExpireMs     uint          // hash规则失效时间, 单位毫秒(milliseconds)
	GcIntervalMs uint          // 垃圾回收器回收的间隔时间, 单位毫秒
}

ModuleHashLimit 限制每个IP的最大发包数

func ParseHashLimits added in v1.3.5 

func ParseHashLimits(rateStr string, burst uint) (*ModuleHashLimit, error)

func (*ModuleHashLimit) Args added in v1.3.5 

func (m *ModuleHashLimit) Args() []string

func (*ModuleHashLimit) ModuleStrings added in v1.3.5 

func (m *ModuleHashLimit) ModuleStrings() []string

func (*ModuleHashLimit) String added in v1.3.5 

func (m *ModuleHashLimit) String() string

func (*ModuleHashLimit) Strings added in v1.3.5 

func (m *ModuleHashLimit) Strings() []string

type ModuleLimit added in v1.3.2 

type ModuleLimit struct {
	Limit uint64 // 指定令牌桶中生成新令牌的频率
	Unit  string // 时间单位 second、minute、hour、day
	Burst uint   // 指定令牌桶中令牌的最大数量
}

ModuleLimit 限制每个IP的最大发包数

func ParseLimits added in v1.3.2 

func ParseLimits(rateStr string, burst uint) (*ModuleLimit, error)

ParseLimits parse ModuleLimit rateStr := `1+/bytes/second`

func (*ModuleLimit) Args added in v1.3.2 

func (m *ModuleLimit) Args() []string

func (*ModuleLimit) ModuleStrings added in v1.3.2 

func (m *ModuleLimit) ModuleStrings() []string

func (*ModuleLimit) String added in v1.3.2 

func (m *ModuleLimit) String() string

func (*ModuleLimit) Strings added in v1.3.2 

func (m *ModuleLimit) Strings() []string

type ModuleString added in v1.3.2 

type ModuleString struct {
	Find string // 指定需要匹配的字符串。
	Algo string // 指定对应的匹配算法，可用算法为bm、kmp，此选项为必选项。
}

func (*ModuleString) Args added in v1.3.2 

func (m *ModuleString) Args() []string

func (*ModuleString) ModuleStrings added in v1.3.2 

func (m *ModuleString) ModuleStrings() []string

func (*ModuleString) String added in v1.3.2 

func (m *ModuleString) String() string

func (*ModuleString) Strings added in v1.3.2 

func (m *ModuleString) Strings() []string

type ModuleTime added in v1.3.2 

type ModuleTime struct {
	Date      [2]string // 2006-01-02
	Time      [2]string // 15:04:05
	Weekdays  []uint    // 1-7
	Monthdays []uint    // 1-28/30/31
	KernelTZ  bool      // KernelTZ 为 false 的情况下，以上参数时间的时区为 UTC。否则为本地机器时区。
}

func (*ModuleTime) Args added in v1.3.2 

func (m *ModuleTime) Args() []string

func (*ModuleTime) ModuleStrings added in v1.3.2 

func (m *ModuleTime) ModuleStrings() []string

func (*ModuleTime) String added in v1.3.2 

func (m *ModuleTime) String() string

func (*ModuleTime) Strings added in v1.3.2 

func (m *ModuleTime) Strings() []string

type Moduler added in v1.3.2 

type Moduler interface {
	Args() []string
	Strings() []string
	ModuleStrings() []string
	String() string
}

Source Files

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