How to write a simple but effective TCP/IP port scanner for Win32

Luca Piergentili

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27 Oct 20017 min read

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An article on how to write a TCP/IP port scanner with a GUI, based on the MFC's property sheet paradigm

tcpscan.zip
- TcpScan
  - CAsyncSock.cpp
  - CBase64.cpp
  - CBinFile.cpp
  - CConfig.cpp
  - CDateTime.cpp
  - CListCtrlEx.cpp
  - CNodeList.cpp
  - CPropertyPageDialog.cpp
  - CPropertySheetDialog.cpp
  - CRegistry.cpp
  - CRegKey.cpp
  - CSock.cpp
  - CTextFile.cpp
  - CUuenc.cpp
  - CWinsock.cpp
  - include
    - CAsyncSock.h
    - CAsyncSockMessages.h
    - CBase64.h
    - CBinFile.h
    - CConfig.h
    - CDateTime.h
    - CListCtrlEx.h
    - CNodeList.h
    - CPropertyPageDialog.h
    - CPropertyPageList.h
    - CPropertySheetDialog.h
    - CPropertySheetDialogMessages.h
    - CRegistry.h
    - CRegKey.h
    - CSock.h
    - CTextFile.h
    - CUuenc.h
    - CWinsock.h
    - env.h
    - lmhosts.h
    - macro.h
    - pragma.h
    - strcpyn.h
    - strichr.h
    - stristr.h
    - TcpConnectPage.h
    - TcpMessages.h
    - TcpPropertySheet.h
    - TcpScan.h
    - TcpScanAddServiceDlg.h
    - TcpScanAddUrlDlg.h
    - TcpScanConfig.h
    - TcpScanPage.h
    - TcpScanVersion.h
    - TcpServicesPage.h
    - typedef.h
    - win32api.h
    - window.h
  - res
    - iconport.ico
    - iconporterror.ico
    - TcpScan.ico
  - resource.h
  - strcpyn.cpp
  - strichr.cpp
  - stristr.cpp
  - TcpConnectPage.cpp
  - TcpPropertySheet.cpp
  - TcpScan.cpp
  - TcpScan.dsp
  - TcpScan.rc
  - TcpScanAddServiceDlg.cpp
  - TcpScanAddUrlDlg.cpp
  - TcpScanConfig.cpp
  - TcpScanPage.cpp
  - TcpServicesPage.cpp
  - win32api.cpp

/*
	lmhosts.h
	Luca Piergentili, 22/01/97
	lpiergentili@yahoo.com
	http://www.geocities.com/lpiergentili/

	Indirizzo IP host locale.
	Referenzia la postazione utilizzata come server nella rete locale (vedi elenco sotto).

	Sul server impostare le proprieta' TCP/IP (relative alla rete locale) indicando un
	indirizzo IP statico (192.168.0.1) e specificando come	submask l'indirizzo 255.255.255.0.

	Sui client impostare le proprieta' TCP/IP (relative alla scheda di rete) indicando un
	indirizzo IP statico (da 192.168.0.2 a 192.168.0.n, con n che si incrementa per ogni
	postazione) e specificando come submask l'indirizzo 255.255.255.0.

	Prima di impostare un indirizzo statico nelle proprieta TCP/IP delle postazioni di rete,
	disabilitare la configurazione DNS Internet.
	Dato che la modifica si ripercuote sulle proprieta' TCP/IP dell'accesso telefonico,
	impostare gli indirizzi DNS direttamente nelle proprieta' della connessione telefonica.

	192.168.0.1	server NT
	192.168.0.2	client
	192.168.0.3	  ""
	192.168.0.4	  ""
	192.168.0.5	  ""
	192.168.0.6	  ""
	192.168.0.7	  ""
	192.168.0.8	  ""
*/
#ifndef _LMHOSTS_H
#define _LMHOSTS_H 1

#define DUMMY_HOST		"128.128.128.128"
#define NULL_HOST		"0.0.0.0"
#define LOCAL_HOST		"127.0.0.1"
#define LOCAL_HOST_NAME	"localhost"
#define LOCAL_HOST_NUM	((unsigned long)16777343)

#endif /* _LMHOSTS_H */

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Written By

Luca Piergentili

Web Developer

Italy

I like C and C++, Acid Jazz, James Brown, gli Spaghetti Aglio e Olio, alla Bolognesa, alla Puttanesca e le Fettuccine alla Matriciana ('Maccaroni' over the world). Of course I like beautiful big tits girls too, my little car, Frank Zappa, the art of Zen, italian coffee and much more...

How to write a simple but effective TCP/IP port scanner for Win32

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