diff --git a/modules/http_proxy.go b/modules/http_proxy.go
index 876d3665..154a6cd9 100644
--- a/modules/http_proxy.go
+++ b/modules/http_proxy.go
@@ -15,8 +15,8 @@ func NewHttpProxy(s *session.Session) *HttpProxy {
 		proxy:         NewHTTPProxy(s),
 	}
 
-	p.AddParam(session.NewIntParameter("http.port",
-		"80",
+	p.AddParam(session.NewStringParameter("http.port",
+		"80", session.PortListValidator,
 		"HTTP port to redirect when the proxy is activated."))
 
 	p.AddParam(session.NewStringParameter("http.proxy.address",
@@ -68,7 +68,7 @@ func (p *HttpProxy) Configure() error {
 	var err error
 	var address string
 	var proxyPort int
-	var httpPort int
+	var httpPort []string
 	var scriptPath string
 	var stripSSL bool
 
@@ -78,7 +78,7 @@ func (p *HttpProxy) Configure() error {
 		return err
 	} else if err, proxyPort = p.IntParam("http.proxy.port"); err != nil {
 		return err
-	} else if err, httpPort = p.IntParam("http.port"); err != nil {
+	} else if err, httpPort = p.ListParam("http.port"); err != nil {
 		return err
 	} else if err, scriptPath = p.StringParam("http.proxy.script"); err != nil {
 		return err
diff --git a/modules/http_proxy_base.go b/modules/http_proxy_base.go
index 86816471..bb78f1b6 100644
--- a/modules/http_proxy_base.go
+++ b/modules/http_proxy_base.go
@@ -106,7 +106,7 @@ func (p *HTTPProxy) doProxy(req *http.Request) bool {
 	return true
 }
 
-func (p *HTTPProxy) Configure(address string, proxyPort int, httpPort int, scriptPath string, stripSSL bool) error {
+func (p *HTTPProxy) Configure(address string, proxyPort int, httpPort []string, scriptPath string, stripSSL bool) error {
 	var err error
 
 	p.stripper.Enable(stripSSL)
@@ -132,18 +132,22 @@ func (p *HTTPProxy) Configure(address string, proxyPort int, httpPort int, scrip
 		p.sess.Firewall.EnableForwarding(true)
 	}
 
-	p.Redirection = firewall.NewRedirection(p.sess.Interface.Name(),
-		"TCP",
-		httpPort,
-		p.Address,
-		proxyPort)
 
-	if err := p.sess.Firewall.EnableRedirection(p.Redirection, true); err != nil {
-		return err
+	for _,v := range httpPort {
+
+		port, _ := strconv.Atoi(v)
+		p.Redirection = firewall.NewRedirection(p.sess.Interface.Name(),
+			"TCP",
+			port,
+			p.Address,
+			proxyPort)
+
+		if err := p.sess.Firewall.EnableRedirection(p.Redirection, true); err != nil {
+			return err
+		}
+		log.Debug("Applied redirection %s", p.Redirection.String())
 	}
 
-	log.Debug("Applied redirection %s", p.Redirection.String())
-
 	p.sess.UnkCmdCallback = func(cmd string) bool {
 		if p.Script != nil {
 			return p.Script.OnCommand(cmd)
@@ -187,7 +191,7 @@ func TLSConfigFromCA(ca *tls.Certificate) func(host string, ctx *goproxy.ProxyCt
 	}
 }
 
-func (p *HTTPProxy) ConfigureTLS(address string, proxyPort int, httpPort int, scriptPath string, certFile string, keyFile string, stripSSL bool) (err error) {
+func (p *HTTPProxy) ConfigureTLS(address string, proxyPort int, httpPort []string, scriptPath string, certFile string, keyFile string, stripSSL bool) (err error) {
 	if p.Configure(address, proxyPort, httpPort, scriptPath, stripSSL); err != nil {
 		return err
 	}
diff --git a/modules/https_proxy.go b/modules/https_proxy.go
index b8ee65f8..39a146af 100644
--- a/modules/https_proxy.go
+++ b/modules/https_proxy.go
@@ -18,8 +18,8 @@ func NewHttpsProxy(s *session.Session) *HttpsProxy {
 		proxy:         NewHTTPProxy(s),
 	}
 
-	p.AddParam(session.NewIntParameter("https.port",
-		"443",
+	p.AddParam(session.NewStringParameter("https.port",
+		"443", session.PortListValidator,
 		"HTTPS port to redirect when the proxy is activated."))
 
 	p.AddParam(session.NewStringParameter("https.proxy.address",
@@ -81,7 +81,7 @@ func (p *HttpsProxy) Configure() error {
 	var err error
 	var address string
 	var proxyPort int
-	var httpPort int
+	var httpsPort []string
 	var scriptPath string
 	var certFile string
 	var keyFile string
@@ -93,7 +93,7 @@ func (p *HttpsProxy) Configure() error {
 		return err
 	} else if err, proxyPort = p.IntParam("https.proxy.port"); err != nil {
 		return err
-	} else if err, httpPort = p.IntParam("https.port"); err != nil {
+	} else if err, httpsPort = p.ListParam("https.port"); err != nil {
 		return err
 	} else if err, stripSSL = p.BoolParam("https.proxy.sslstrip"); err != nil {
 		return err
@@ -120,7 +120,7 @@ func (p *HttpsProxy) Configure() error {
 		log.Info("Loading proxy certification authority TLS certificate from %s", certFile)
 	}
 
-	return p.proxy.ConfigureTLS(address, proxyPort, httpPort, scriptPath, certFile, keyFile, stripSSL)
+	return p.proxy.ConfigureTLS(address, proxyPort, httpsPort, scriptPath, certFile, keyFile, stripSSL)
 }
 
 func (p *HttpsProxy) Start() error {