iptables

package

v1.4.2 Latest Latest Go to latest Published: Jun 21, 2021 License: MIT Imports: 3 Imported by: 3

Details

Valid go.mod file
Redistributable license
Tagged version
Stable version
Learn more about best practices

Repository

github.com/Azure/azure-container-networking

Links

Open Source Insights

Documentation ¶

Index ¶

Constants
Variables
func AppendIptableRule(version, tableName, chainName, match, target string) error
func ChainExists(version, tableName, chainName string) bool
func CreateChain(version, tableName, chainName string) error
func DeleteIptableRule(version, tableName, chainName, match, target string) error
func InsertIptableRule(version, tableName, chainName, match, target string) error
func RuleExists(version, tableName, chainName, match, target string) bool
func RunCmd(version, params string) error
type IPTableEntry

Constants ¶

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const (
	CNIInputChain  = "AZURECNIINPUT"
	CNIOutputChain = "AZURECNIOUTPUT"
)

cni iptable chains

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const (
	Input       = "INPUT"
	Output      = "OUTPUT"
	Forward     = "FORWARD"
	Prerouting  = "PREROUTING"
	Postrouting = "POSTROUTING"
	Swift       = "SWIFT"
	Snat        = "SNAT"
	Return      = "RETURN"
)

standard iptable chains

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const (
	Filter = "filter"
	Nat    = "nat"
	Mangle = "mangle"
)

Standard Table names

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const (
	Accept     = "ACCEPT"
	Drop       = "DROP"
	Masquerade = "MASQUERADE"
)

target

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const (
	Insert = "I"
	Append = "A"
	Delete = "D"
)

actions

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const (
	Established = "ESTABLISHED"
	Related     = "RELATED"
)

states

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const (
	V4 = "4"
	V6 = "6"
)

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const (
	UDP = "udp"
	TCP = "tcp"
)

known protocols

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const (
	AzureDNS = "168.63.129.16"
)

known IP's

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const (
	DNSPort = 53
)

known ports

Variables ¶

View Source

var (
	DisableIPTableLock bool
)

Functions ¶

func AppendIptableRule ¶ added in v0.1.0

func AppendIptableRule(version, tableName, chainName, match, target string) error

Append iptable rule at end of iptable chain

func ChainExists ¶ added in v0.1.0

func ChainExists(version, tableName, chainName string) bool

check if iptable chain alreay exists

func CreateChain ¶ added in v0.1.0

func CreateChain(version, tableName, chainName string) error

create new iptable chain under specified table name

func DeleteIptableRule ¶ added in v0.1.0

func DeleteIptableRule(version, tableName, chainName, match, target string) error

Delete matched iptable rule

func InsertIptableRule ¶ added in v0.1.0

func InsertIptableRule(version, tableName, chainName, match, target string) error

Insert iptable rule at beginning of iptable chain

func RuleExists ¶ added in v0.1.0

func RuleExists(version, tableName, chainName, match, target string) bool

check if iptable rule alreay exists

func RunCmd ¶ added in v0.1.0

func RunCmd(version, params string) error

Run iptables command

Types ¶

type IPTableEntry ¶

type IPTableEntry struct {
	Version string
	Params  string
}

func GetAppendIptableRuleCmd ¶ added in v0.1.0

func GetAppendIptableRuleCmd(version, tableName, chainName, match, target string) IPTableEntry

func GetCreateChainCmd ¶ added in v0.1.0

func GetCreateChainCmd(version, tableName, chainName string) IPTableEntry

func GetInsertIptableRuleCmd ¶ added in v0.1.0

func GetInsertIptableRuleCmd(version, tableName, chainName, match, target string) IPTableEntry

Source Files ¶

View all Source files

iptables.go

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