Re: [WinPcap-users] pcap_next_ex fails to capture all packets

2005-03-24 Thread Tom Brown
On Tuesday 22 March 2005 10:28, Tom Brown wrote: Hi, I am using pcap_next_ex() in my application in a loop to capture all packets on an ethernet device. I have compared the amount of packets that my application captures to what ethereal captures and my calls to pcap_next_ex() are just not

Re: [WinPcap-users] pcap_next_ex fails to capture all packets

2005-03-24 Thread Tom Brown
On Thursday 24 March 2005 08:54, Tom Brown wrote: Ethereal and WinDump both capture all the packets coming in on the network device. I looked through their source code and found ethereal uses pcap_dispatch() and WinDump uses pcap_loop(). I tried using both functions in my application. In both

Re: [WinPcap-users] pcap_next_ex fails to capture all packets

2005-03-24 Thread Guy Harris
On Mar 24, 2005, at 3:18 PM, Tom Brown wrote: Thanks for your feedback. It made me inspect my application a little closer. I think I found the source of my problem. I was checking caplen for a minimum value. If it was less than a certain value I would ignore the packet. When I logged the

[WinPcap-users] General Questions, I'm So Lost

2005-03-24 Thread Mario Hollibaugh
I am trying to develop a compact, customized-to-my-purposes packet sniffer using VC++ v6.0. It was recommended to me that instead of writing a program using hardware interfacing and working directly with interrupts, to take a look at and use the WinPCap library. Normally I can hack my way