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Disable Windows DNS registration

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i40e 2023-10-10 13:26:34 +08:00 • committed by 世界
parent 1a85bd3ef4
commit efd9884154
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GPG key ID: CD109927C34A63C4
3 changed files with 40 additions and 4 deletions
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19
internal/winipcfg/netsh.go
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@ -51,10 +51,11 @@ func runNetsh(cmds []string) error {
}
const (
netshCmdTemplateFlush4 = "interface ipv4 set dnsservers name=%d source=static address=none validate=no register=both"
netshCmdTemplateFlush6 = "interface ipv6 set dnsservers name=%d source=static address=none validate=no register=both"
netshCmdTemplateAdd4 = "interface ipv4 add dnsservers name=%d address=%s validate=no"
netshCmdTemplateAdd6 = "interface ipv6 add dnsservers name=%d address=%s validate=no"
netshCmdTemplateFlush4 = "interface ipv4 set dnsservers name=%d source=static address=none validate=no"
netshCmdTemplateFlush6 = "interface ipv6 set dnsservers name=%d source=static address=none validate=no"
netshCmdTemplateAdd4 = "interface ipv4 add dnsservers name=%d address=%s validate=no"
netshCmdTemplateAdd6 = "interface ipv6 add dnsservers name=%d address=%s validate=no"
netshCmdTemplateDisableRegistration = "interface ipv6 set dnsservers name=%d register=none"
)
func (luid LUID) fallbackSetDNSForFamily(family AddressFamily, dnses []netip.Addr) error {
@ -106,3 +107,13 @@ func (luid LUID) fallbackSetDNSDomain(domain string) error {
key.Close()
return err
}
func (luid LUID) fallbackDisableDNSRegistration() error {
// the DNS registration setting is shared for both IPv4 and IPv6
ipif, err := luid.IPInterface(windows.AF_INET)
if err != nil {
return err
}
cmd := fmt.Sprintf(netshCmdTemplateDisableRegistration, ipif.InterfaceIndex)
return runNetsh([]string{cmd})
}