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[client] Restart engine when peer IP address changes #5614

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Merged
lixmal merged 2 commits into from
Mar 17, 2026
+4 −3
Merged

[client] Restart engine when peer IP address changes #5614

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[client] Restart engine when peer IP address changes
lixmal Mar 17, 2026
527b904
Update client/internal/engine.go
lixmal Mar 17, 2026
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7 changes: 4 additions & 3 deletions client/internal/engine.go
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Original file line number Diff line number Diff line change
Expand Up @@ -989,10 +989,11 @@ func (e *Engine) updateConfig(conf *mgmProto.PeerConfig) error {
return errors.New("wireguard interface is not initialized")
}

// Cannot update the IP address without restarting the engine because
// the firewall, route manager, and other components cache the old address
if e.wgInterface.Address().String() != conf.Address {
log.Infof("peer IP address has changed from %s to %s", e.wgInterface.Address().String(), conf.Address)
log.Infof("peer IP address changed from %s to %s, restarting client", e.wgInterface.Address().String(), conf.Address)
_ = CtxGetState(e.ctx).Wrap(ErrResetConnection)
e.clientCancel()
return ErrResetConnection
}
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lixmal marked this conversation as resolved.

if conf.GetSshConfig() != nil {
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