how to solve connection attempt failed

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C#

ASP.NET

"A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond"

my connection string for connecting online mysql database is
MySqlConnection conn = new MySqlConnection
("Server=119.18.57.14;port=8443;UserId=medsoftn_webadmin;Password=ycmou786;Database=medsoftn_cms;");
Im i giving wrong port no for connecting mysql database
stack trace is

[SocketException (0x274c): A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond]
   System.Net.Sockets.Socket.Receive(Byte[] buffer, Int32 offset, Int32 size, SocketFlags socketFlags) +6508807
   System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size) +130

[IOException: Unable to read data from the transport connection: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond.]
   System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size) +296
   MySql.Data.Common.MyNetworkStream.Read(Byte[] buffer, Int32 offset, Int32 count) +47

[TimeoutException: Unable to read data from the transport connection: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond.]
   MySql.Data.Common.MyNetworkStream.Read(Byte[] buffer, Int32 offset, Int32 count) +465899
   MySql.Data.MySqlClient.TimedStream.Read(Byte[] buffer, Int32 offset, Int32 count) +127
   System.IO.BufferedStream.Read(Byte[] array, Int32 offset, Int32 count) +262
   MySql.Data.MySqlClient.MySqlStream.ReadFully(Stream stream, Byte[] buffer, Int32 offset, Int32 count) +42
   MySql.Data.MySqlClient.MySqlStream.LoadPacket() +63
   MySql.Data.MySqlClient.MySqlStream.ReadPacket() +31
   MySql.Data.MySqlClient.NativeDriver.Open() +241
   MySql.Data.MySqlClient.Driver.Open() +22
   MySql.Data.MySqlClient.Driver.Create(MySqlConnectionStringBuilder settings) +250
   MySql.Data.MySqlClient.MySqlPool.GetPooledConnection() +285
   MySql.Data.MySqlClient.MySqlPool.TryToGetDriver() +91
   MySql.Data.MySqlClient.MySqlPool.GetConnection() +67
   MySql.Data.MySqlClient.MySqlConnection.Open() +565
   System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) +121
   System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) +316
   System.Data.Common.DbDataAdapter.Fill(DataSet dataSet) +88
   CityMaster.DataBind() in c:\new\BuzyDoctor\CityMaster.aspx.cs:125
   CityMaster.Page_Load(Object sender, EventArgs e) in c:\new\BuzyDoctor\CityMaster.aspx.cs:27
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +51
   System.Web.UI.Control.OnLoad(EventArgs e) +92
   System.Web.UI.Control.LoadRecursive() +54
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +772