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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/nftables/manager_linux.go
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@@ -44,7 +44,7 @@ type Manager struct {
}
// Create nftables firewall manager
func Create(wgIface iFaceMapper) (*Manager, error) {
func Create(wgIface iFaceMapper, mtu uint16) (*Manager, error) {
m := &Manager{
rConn: &nftables.Conn{},
wgIface: wgIface,
@@ -53,7 +53,7 @@ func Create(wgIface iFaceMapper) (*Manager, error) {
workTable := &nftables.Table{Name: tableNameNetbird, Family: nftables.TableFamilyIPv4}
var err error
m.router, err = newRouter(workTable, wgIface)
m.router, err = newRouter(workTable, wgIface, mtu)
if err != nil {
return nil, fmt.Errorf("create router: %w", err)
}
@@ -93,6 +93,7 @@ func (m *Manager) Init(stateManager *statemanager.Manager) error {
NameStr: m.wgIface.Name(),
WGAddress: m.wgIface.Address(),
UserspaceBind: m.wgIface.IsUserspaceBind(),
MTU: m.router.mtu,
},
}); err != nil {
log.Errorf("failed to update state: %v", err)