@@ -5,6 +5,7 @@ package nat

 import (

 	"fmt"

+	"net"

 	"strconv"

 	"strings"

@@ -114,6 +115,9 @@ func ParsePortSpecs(ports []string) (map[Port]struct{}, map[Port][]PortBinding,

 			hostPort      = parts["hostPort"]

 		)

+		if rawIp != "" && net.ParseIP(rawIp) == nil {

+			return nil, nil, fmt.Errorf("Invalid ip address: %s", rawIp)

+		}

 		if containerPort == "" {

 			return nil, nil, fmt.Errorf("No port specified: %s<empty>", rawPort)

 		}

@@ -123,6 +127,7 @@ func ParsePortSpecs(ports []string) (map[Port]struct{}, map[Port][]PortBinding,

 		if _, err := strconv.ParseUint(hostPort, 10, 16); hostPort != "" && err != nil {

 			return nil, nil, fmt.Errorf("Invalid hostPort: %s", hostPort)

 		}

+

 		if !validateProto(proto) {

 			return nil, nil, fmt.Errorf("Invalid proto: %s", proto)

 		}