httpwebrequest on different Port?

myhttpWebRequest = System.Net.HttpWebRequest.Create(DestinationURL)
 
 
        'myhttpWebRequest.Timeout = -1
        If blnUseSecurity Then
            myhttpWebRequest.Credentials = New System.Net.NetworkCredential(strUsername, strPassword)
        End If
        myhttpWebRequest.PreAuthenticate = True
        myhttpWebRequest.UserAgent = "SOL-1 JasJam"
        myhttpWebRequest.Method = "POST"
        myhttpWebRequest.ContentType = "application/x-www-form-urlencoded"
        myhttpWebRequest.AllowWriteStreamBuffering = True