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flush dns cache on system dns change

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This commit is contained in:
Nova 2025-05-15 12:29:58 +03:30
parent b3962066da
commit 4d9421bcbc
1 changed files with 5 additions and 0 deletions
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5
core/server/internal/boxdns/dns_manager_windows.go
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@ -5,6 +5,7 @@ import (
"github.com/gofrs/uuid/v5"
"github.com/sagernet/sing/common/control"
E "github.com/sagernet/sing/common/exceptions"
"github.com/sagernet/sing/common/windnsapi"
"golang.org/x/sys/windows"
"golang.org/x/sys/windows/registry"
"log"
@ -160,6 +161,8 @@ func (d *DnsManager) restoreSystemDNS(ifx control.Interface) {
}
if err != nil {
log.Println("[restoreSystemDNS] failed to set dns servers:", err)
} else {
_ = windnsapi.FlushResolverCache()
}
log.Println("[restoreSystemDNS] Local DNS Server removed for:", ifx.Name)
@ -202,6 +205,8 @@ func (d *DnsManager) setSystemDNS(ifx control.Interface) {
if err = luid.SetDNS(winipcfg.AddressFamily(windows.AF_INET), newDnsServers, nil); err != nil {
log.Println("[setSystemDNS] failed to set dns servers:", err)
} else {
_ = windnsapi.FlushResolverCache()
}
log.Println("[setSystemDNS] Local DNS Server added for:", ifx.Name)