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feat: add disable-icmp-forwarding option to tun (#2248)

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When enabled, the TUN listener will use fake ping echo. This can be useful to prevent potential ICMP routing loops in certain network configurations.
This commit is contained in:
NuoFang
2025-09-07 19:40:30 +08:00
committed by GitHub
parent fed4b369a3
commit 9a124a390f
7 changed files with 16 additions and 4 deletions
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2
config/config.go
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@@ -292,6 +292,7 @@ type RawTun struct {
ExcludePackage []string `yaml:"exclude-package" json:"exclude-package,omitempty"`
EndpointIndependentNat bool `yaml:"endpoint-independent-nat" json:"endpoint-independent-nat,omitempty"`
UDPTimeout int64 `yaml:"udp-timeout" json:"udp-timeout,omitempty"`
DisableICMPForwarding bool `yaml:"disable-icmp-forwarding" json:"disable-icmp-forwarding,omitempty"`
FileDescriptor int `yaml:"file-descriptor" json:"file-descriptor"`
Inet4RouteAddress []netip.Prefix `yaml:"inet4-route-address" json:"inet4-route-address,omitempty"`
@@ -1552,6 +1553,7 @@ func parseTun(rawTun RawTun, general *General) error {
ExcludePackage: rawTun.ExcludePackage,
EndpointIndependentNat: rawTun.EndpointIndependentNat,
UDPTimeout: rawTun.UDPTimeout,
DisableICMPForwarding: rawTun.DisableICMPForwarding,
FileDescriptor: rawTun.FileDescriptor,
Inet4RouteAddress: rawTun.Inet4RouteAddress,