diff --git a/README.md b/README.md
index 409f7d9..d808194 100644
--- a/README.md
+++ b/README.md
@@ -24,11 +24,11 @@ squid-auth-healthcheck --proxy-addr 127.0.0.1 --proxy-username test@TEST.LOCAL -
 ```
 Application Options:
   -u, --url=            url to check for availability (required)
-      --auth-type=      type of used proxy authentication mechanism. [ntlm, kerberos] (required)
+      --auth-type=      type of used proxy authentication mechanism. [ntlm, kerberos, no] (required)
       --proxy-addr=     proxy server address (required)
       --proxy-port=     proxy server port (default: 3128) (default: 3128)
-      --proxy-username= proxy user login (required)
-      --proxy-password= proxy user password (required)
+      --proxy-username= proxy user login
+      --proxy-password= proxy user password
       --timeout=        healthcheck connection timeout in seconds (default: 2) (default: 2)
       --strict-url      the check returns a positive result only if all URLs are available
       --strict-auth     the check returns a positive result only if url are available with all auth method
diff --git a/app/checker/noauth.go b/app/checker/noauth.go
new file mode 100644
index 0000000..5956936
--- /dev/null
+++ b/app/checker/noauth.go
@@ -0,0 +1,56 @@
+package checker
+
+import (
+	"sync"
+
+	curl "github.com/andelf/go-curl"
+)
+
+type AuthNo struct {
+	authType          string
+	ProxyAddr         string
+	ProxyPort         int
+	ConnectionTimeout int
+}
+
+func NewAuthNo(ProxyAddr string, ProxyPort int, ConnectionTimeout int) *AuthNo {
+	var a AuthNo
+	a.authType = "no"
+	a.ProxyAddr = ProxyAddr
+	a.ProxyPort = ProxyPort
+	a.ConnectionTimeout = ConnectionTimeout
+	return &a
+}
+
+func (a *AuthNo) Check(urls []string, ch chan HealthResponse, wg *sync.WaitGroup) {
+	var innerWg sync.WaitGroup
+	innerWg.Add(len(urls))
+	for _, url := range urls {
+		go func(u string) {
+			conn := curl.EasyInit()
+			conn.Setopt(curl.OPT_VERBOSE, 0)
+			conn.Setopt(curl.OPT_FOLLOWLOCATION, 1)
+			conn.Setopt(curl.OPT_PROXYTYPE, curl.PROXY_HTTP)
+			conn.Setopt(curl.OPT_PROXY, a.ProxyAddr)
+			conn.Setopt(curl.OPT_PROXYPORT, a.ProxyPort)
+			conn.Setopt(curl.OPT_TIMEOUT, a.ConnectionTimeout)
+			conn.Setopt(curl.OPT_WRITEFUNCTION, nullHandler)
+			conn.Setopt(curl.OPT_URL, u)
+			if err := conn.Perform(); err != nil {
+				ch <- HealthResponse{u, a.authType, 0, 0}
+			} else {
+				code, _ := conn.Getinfo(curl.INFO_RESPONSE_CODE)
+				responseTime, _ := conn.Getinfo(curl.INFO_TOTAL_TIME)
+				if code.(int) == 200 {
+					ch <- HealthResponse{u, a.authType, 1, responseTime.(float64)}
+				} else {
+					ch <- HealthResponse{u, a.authType, 0, responseTime.(float64)}
+				}
+			}
+			conn.Cleanup()
+			innerWg.Done()
+		}(url)
+	}
+	innerWg.Wait()
+	wg.Done()
+}
diff --git a/app/main.go b/app/main.go
index d1a1e9d..a20d36b 100644
--- a/app/main.go
+++ b/app/main.go
@@ -12,22 +12,22 @@ import (
 )
 
 const (
-	version = "0.0.1"
+	version = "0.0.2"
 )
 
 var opts struct {
 	URL               []string `short:"u" long:"url" description:"url to check for availability (required)" required:"true"`
-	AuthType          []string `long:"auth-type" description:"type of used proxy authentication mechanism. [ntlm, kerberos] (required)" required:"true"`
+	AuthType          []string `long:"auth-type" description:"type of used proxy authentication mechanism. [ntlm, kerberos, no] (required)" required:"true"`
 	ProxyAddr         string   `long:"proxy-addr" description:"proxy server address (required)" required:"true"`
 	ProxyPort         int      `long:"proxy-port" description:"proxy server port (default: 3128)" default:"3128"`
-	ProxyUsername     string   `long:"proxy-username" description:"proxy user login (required)" required:"true"`
-	ProxyPassword     string   `long:"proxy-password" description:"proxy user password (required)" required:"true"`
+	ProxyUsername     string   `long:"proxy-username" description:"proxy user login"`
+	ProxyPassword     string   `long:"proxy-password" description:"proxy user password"`
 	ConnectionTimeout int      `long:"timeout" description:"healthcheck connection timeout in seconds (default: 2)" default:"2"`
 	StrictURL         bool     `long:"strict-url" description:"the check returns a positive result only if all URLs are available"`
 	StrictAuth        bool     `long:"strict-auth" description:"the check returns a positive result only if url are available with all auth method"`
 	Verbose           bool     `short:"v" long:"verbose" description:"output verbose healthcheck information"`
 }
-var allowAuthType = [2]string{"ntlm", "kerberos"}
+var allowAuthType = [3]string{"ntlm", "kerberos", "no"}
 
 func exitOK(verbose bool) {
 	if !verbose {
@@ -72,20 +72,24 @@ func main() {
 	var wg sync.WaitGroup
 
 	ch := make(chan checker.HealthResponse, len(opts.AuthType)*len(opts.URL))
-	var ntlm checker.Interface = checker.NewAuthNTLM(opts.ProxyAddr, opts.ProxyPort, opts.ProxyUsername, opts.ProxyPassword, opts.ConnectionTimeout)
-	kerberos, err := checker.NewAuthKerberos(opts.ProxyAddr, opts.ProxyPort, opts.ProxyUsername, opts.ProxyPassword, opts.ConnectionTimeout)
-	if err != nil {
-		fmt.Println(err)
-		os.Exit(1)
-	}
 	wg.Add(len(opts.AuthType))
 
 	if slice.StringInSlice("ntlm", opts.AuthType) {
+		var ntlm checker.Interface = checker.NewAuthNTLM(opts.ProxyAddr, opts.ProxyPort, opts.ProxyUsername, opts.ProxyPassword, opts.ConnectionTimeout)
 		go ntlm.Check(opts.URL, ch, &wg)
 	}
 	if slice.StringInSlice("kerberos", opts.AuthType) {
+		kerberos, err := checker.NewAuthKerberos(opts.ProxyAddr, opts.ProxyPort, opts.ProxyUsername, opts.ProxyPassword, opts.ConnectionTimeout)
+		if err != nil {
+			fmt.Println(err)
+			os.Exit(1)
+		}
 		go kerberos.Check(opts.URL, ch, &wg)
 	}
+	if slice.StringInSlice("no", opts.AuthType) {
+		var no checker.Interface = checker.NewAuthNo(opts.ProxyAddr, opts.ProxyPort, opts.ConnectionTimeout)
+		go no.Check(opts.URL, ch, &wg)
+	}
 
 	wg.Wait()
 	close(ch)