netutil

package

v0.0.2 Latest Latest Go to latest Published: Apr 15, 2026 License: MIT Imports: 6 Imported by: 0

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func GetPublicIP() (string, error)

GetPublicIP attempts to discover the public IP of the server.

func SetNameForCountry(code string) string

SetNameForCountry generates the ipset name for a country code.

type IptablesManager struct{}

IptablesManager wraps iptables/ipset commands.

func NewIptablesManager() *IptablesManager

NewIptablesManager creates a new IptablesManager.

func (m *IptablesManager) CreateIPSet(name string, maxElem int) error

CreateIPSet creates an ipset with hash:net family inet.

func (m *IptablesManager) DestroyIPSet(name string) error

DestroyIPSet destroys an ipset.

func (m *IptablesManager) FlushIPSet(name string) error

FlushIPSet flushes all entries from an ipset.

func (m *IptablesManager) RemoveGeoBlockRules() error

RemoveGeoBlockRules removes all popugate geo-block rules.

func (m *IptablesManager) RestoreIPSet(name string, cidrs []string) error

RestoreIPSet loads CIDR entries via ipset restore.

func (m *IptablesManager) SetDefaultDeny(port string) error

SetDefaultDeny adds a default deny rule (for whitelist mode).

func (m *IptablesManager) SetRule(setName, port, action string) error

SetRule creates an iptables rule for geo-blocking. action: "DROP" or "ACCEPT"