TCP/IP Server block the access from one IP

Thread View: borland.public.cppbuilder.internet.socket

3 messages

[T] Back to Threads [V] Tree View [G] Group Articles

3 total messages Started by //---- Kelsie Z. Marshall ----// Fri, 29 Feb 2008 05:45

#477

Author: //---- Kelsie Z. Marshall ----//
Date: Fri, 29 Feb 2008 05:45

22 lines
1569 bytes

I made a TCP/IP Server and i need to block the access from one IP

Who can i do that ?

   int i, port;
  AnsiString IP;

  IdTCPServer1->Active = false;
  IdTCPServer1->Bindings->Clear();
  IdTCPServer1->Bindings->Add();
  IdTCPServer1->Bindings->Items[0]->Port = 
EditTCPIPServerClientPort->Text.ToInt();
  IdTCPServer1->Bindings->Items[0]->IP = StaticTextMyIP->Caption;
  IdTCPServer1->Active = true;

  TRichEditLogTCPIPServer::Add("TCP/IP ACTIVE");

  for(i=0; i  < IdTCPServer1->Bindings->Count ; i++)
  {
    port = IdTCPServer1->Bindings->Items[i]->Port;
    IP =   IdTCPServer1->Bindings->Items[i]->IP;
  }

Re: TCP/IP Server block the access from one IP

#479

Author: Remy Lebeau (TeamB)
Date: Fri, 29 Feb 2008 18:17

22 lines
1780 bytes

"//---- Kelsie Z. Marshall ----//" <kelsie.z.marshall@gmail.com> wrote in 
message news:47c79c6d@newsgroups.borland.com...

> I made a TCP/IP Server and i need to block the access from one IP
>
> Who can i do that ?

There is no way to block an IP from connecting to the server at all (unless 
you are using an external firewall, that is).  All you can do is disconnect 
the client in the OnConnect event handler after it has been accepted by the 
server, ie:

    void __fastcall TForm1::IdTCPServer1Connect(TIdPeerThread *AThread)
    {
        AnsiString IP = AThread->Connection->Socket->Binding->PeerIP;
        if( IP is not allowed )
            AThread->Connection->Disconnect();
    }


Gambit

Re: TCP/IP Server block the access from one IP

#480

Author: //---- Kelsie Z. Marshall ----//
Date: Fri, 29 Feb 2008 18:33

42 lines
2255 bytes

Man this is a nightmare.

Imagine if i want to make a Server and on million clients trying to 
connection on my server the true is SHUTDOW.

With ZoneAlarm i cant do that ? Block on IP

Witch firewall for windows xp i can use ?

Thanks

Kelsie





"Remy Lebeau (TeamB)" <no.spam@no.spam.com> wrote in message 
news:47c84c35$1@newsgroups.borland.com...
>
> "//---- Kelsie Z. Marshall ----//" <kelsie.z.marshall@gmail.com> wrote in 
> message news:47c79c6d@newsgroups.borland.com...
>
>> I made a TCP/IP Server and i need to block the access from one IP
>>
>> Who can i do that ?
>
> There is no way to block an IP from connecting to the server at all 
> (unless you are using an external firewall, that is).  All you can do is 
> disconnect the client in the OnConnect event handler after it has been 
> accepted by the server, ie:
>
>    void __fastcall TForm1::IdTCPServer1Connect(TIdPeerThread *AThread)
>    {
>        AnsiString IP = AThread->Connection->Socket->Binding->PeerIP;
>        if( IP is not allowed )
>            AThread->Connection->Disconnect();
>    }
>
>
> Gambit
>

Thread Navigation

This is a paginated view of messages in the thread with full content displayed inline.

Messages are displayed in chronological order, with the original post highlighted in green.

Use pagination controls to navigate through all messages in large threads.

Back to All Threads