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Network Sniffer

, 19 Jul 2004 CPOL
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Network Sniffer

Sample Image - Sniffer.jpg


A "Packet Sniffer" is a utility that sniffs without modifying the network's packets in any way. By comparison, a firewall sees all of a computer's packet traffic as well, but it has the ability to block and drop any packets that its programming dictates. Packet sniffers merely watch, display, and log this traffic.

One disturbingly powerful aspect of packet sniffers is their ability to place the hosting machine's network adapter into "promiscuous mode." Network adapters running in promiscuous mode receive not only the data directed to the machine hosting the sniffing software, but also ALL of the traffic on the physically connected local network.

I hope that this piece of code will help you understand the network better.


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


About the Author

Eran Aharonovich
Software Developer
Australia Australia
Been a programmer since 1999.
Experience in:
.Net, C++, C#, VB, VB.NET, ASP, ASP.NET, DLLs, COM etc.

Comments and Discussions

QuestionNetwork Sniffer in another language PinmemberAdamsonn14-Aug-14 1:43 
BugMemory leaking Pinmemberruiwng4-Mar-13 1:34 
Questionaccess permissions Pinmemberyudaavni18-Feb-13 5:01 
AnswerRe: access permissions Pinmemberruiwng4-Mar-13 1:39 
QuestionNetwork problems PinmemberAJMAL SHAHZAD10-Dec-12 19:48 
QuestionI've got problem with commpiling on VS 2008 Pinmember1nbveh24-Apr-12 5:21 
AnswerRe: I've got problem with commpiling on VS 2008 Pinmemberlakshmanakumar_varada7-Nov-12 23:58 
GeneralMy vote of 1 Pinmemberrobmar8-Nov-11 13:08 
AnswerRe: My vote of 1 Pinmemberboris.pong18-Jun-12 22:23 
Questioncan't build in visual 2010 + MS SDK 7.0 PinmemberYohanes Pradono23-Jul-11 20:11 
AnswerRe: can't build in visual 2010 + MS SDK 7.0 Pinmembermla15427-Sep-11 7:26 
Questionhey how to run this project ............... Pinmembersilverkali13-Oct-10 3:53 
AnswerRe: hey how to run this project ............... PinmemberYohanes Pradono23-Jul-11 16:26 
GeneralMy vote of 1 Pinmemberdheeraj_jun218-Dec-08 18:34 
Generalpacket sniffer Pinmembersatheesh.S28-Oct-08 20:39 
GeneralRe: packet sniffer Pinmemberpriyanka,oberoi110-Aug-09 2:33 
GeneralGood Project, what is the format to save? does it support Packetbone Pinmemberjerrysmith2222-Jul-08 18:50 
GeneralWhich compiler? Visual C++ .NET? (=Version 7) Pinmembergerspeece28-Mar-08 6:16 
GeneralRe: Which compiler? Visual C++ .NET? (=Version 7) PinmemberEran Aharonovich29-Mar-08 1:33 
The original compiler was VC6 I think, but you can run it under any VS compiler you want, it will convert automatically.

Eran Aharonovich ( )

Questionhelp me how to compile and execute the project.... Pinmemberrahul.csit28-Feb-08 18:36 
QuestionIt works in visual c++ 6.0?? Pinmemberuriel_slp24-Oct-07 11:23 
AnswerRe: It works in visual c++ 6.0?? Pinmemberuriel_slp24-Oct-07 11:27 
QuestionPlease I Need Help Pinmembermustafa_kh_200710-Sep-07 5:03 
QuestionWe can catch the TCP packet only? PinmemberMD8414-May-07 22:57 
AnswerRe: We can catch the TCP packet only? PinmemberEran Aharonovich14-May-07 23:03 

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