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[client] Clamp MSS on outbound traffic (#4735)

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This commit is contained in:
Viktor Liu
2025-11-04 17:18:51 +01:00
committed by GitHub
parent 679c58ce47
commit 45c25dca84
24 changed files with 804 additions and 134 deletions
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5
client/firewall/iptables/manager_linux.go
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@@ -36,7 +36,7 @@ type iFaceMapper interface {
}
// Create iptables firewall manager
func Create(wgIface iFaceMapper) (*Manager, error) {
func Create(wgIface iFaceMapper, mtu uint16) (*Manager, error) {
iptablesClient, err := iptables.NewWithProtocol(iptables.ProtocolIPv4)
if err != nil {
return nil, fmt.Errorf("init iptables: %w", err)
@@ -47,7 +47,7 @@ func Create(wgIface iFaceMapper) (*Manager, error) {
ipv4Client: iptablesClient,
}
m.router, err = newRouter(iptablesClient, wgIface)
m.router, err = newRouter(iptablesClient, wgIface, mtu)
if err != nil {
return nil, fmt.Errorf("create router: %w", err)
}
@@ -66,6 +66,7 @@ func (m *Manager) Init(stateManager *statemanager.Manager) error {
NameStr: m.wgIface.Name(),
WGAddress: m.wgIface.Address(),
UserspaceBind: m.wgIface.IsUserspaceBind(),
MTU: m.router.mtu,
},
}
stateManager.RegisterState(state)