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Set udp dontfrag by default

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This commit is contained in:
世界
2022-09-06 00:54:57 +08:00
parent cb4fea0240
commit 0c975db0a6
4 changed files with 13 additions and 3 deletions
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9
inbound/default_udp.go
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@@ -10,6 +10,7 @@ import (
"github.com/sagernet/sing-dns"
"github.com/sagernet/sing/common"
"github.com/sagernet/sing/common/buf"
"github.com/sagernet/sing/common/control"
E "github.com/sagernet/sing/common/exceptions"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
@@ -17,11 +18,15 @@ import (
func (a *myInboundAdapter) ListenUDP() (net.PacketConn, error) {
bindAddr := M.SocksaddrFrom(netip.Addr(a.listenOptions.Listen), a.listenOptions.ListenPort)
udpConn, err := net.ListenUDP(M.NetworkFromNetAddr(N.NetworkUDP, bindAddr.Addr), bindAddr.UDPAddr())
var lc net.ListenConfig
if !a.listenOptions.UDPFragment {
lc.Control = control.Append(lc.Control, control.DisableUDPFragment())
}
udpConn, err := lc.ListenPacket(a.ctx, M.NetworkFromNetAddr(N.NetworkUDP, bindAddr.Addr), bindAddr.String())
if err != nil {
return nil, err
}
a.udpConn = udpConn
a.udpConn = udpConn.(*net.UDPConn)
a.udpAddr = bindAddr
a.logger.Info("udp server started at ", udpConn.LocalAddr())
return udpConn, err