@@ -13,7 +13,8 @@ import (

 	"github.com/moby/moby/v2/daemon/libnetwork/osl"

 )

-// FirewallBackend returns the name of the firewall backend for "docker info".

+// FirewallBackend returns FirewallInfo for "docker info".

+// Despite the name, FirewallInfo may include information about the userland proxy as well.

 func (c *Controller) FirewallBackend() *system.FirewallInfo {

 	var info system.FirewallInfo

 	info.Driver = "iptables"

@@ -26,6 +27,15 @@ func (c *Controller) FirewallBackend() *system.FirewallInfo {

 			info.Info = [][2]string{{"ReloadedAt", reloadedAt.Format(time.RFC3339)}}

 		}

 	}

+	if c.cfg.EnableUserlandProxy {

+		// EnableUserlandProxy is exposed in FirewallInfo since Docker v29.5.

+		// In older versions, EnableUserlandProxy is not included in FirewallInfo,

+		// but it is still used in most cases as it is enabled by default.

+		info.Info = append(info.Info, [2]string{"EnableUserlandProxy", "true"})

+		if c.cfg.UserlandProxyPath != "" {

+			info.Info = append(info.Info, [2]string{"UserlandProxyPath", c.cfg.UserlandProxyPath})

+		}

+	}

 	return &info

 }