What do you mean by "MMAP mode" ?
--- Öì¹úÔÆ <[EMAIL PROTECTED]> wrote:
> Hi,everybody:
>
> I want to know how to make libpcap(version
> 0.9.20060417) work in MMAP mode. Would somebody
> give me some help? Thanks in advance!
>
>
> -
> This is the tcpdump-workers list.
> Visit https://l
Hi,everybody:
I want to know how to make libpcap(version 0.9.20060417) work in MMAP mode.
Would somebody give me some help? Thanks in advance!
-
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On May 18, 2006, at 9:18 PM, sandeep nitta wrote:
can anyone help me out with how a tcpdump -w command works.
I want to know what library functions are invoked if i use a -w
option and
the structures used.
It uses:
pcap_open_live() to open the capture device;
pcap_dump_op
can anyone help me out with how a tcpdump -w command works.
I want to know what library functions are invoked if i use a -w option and
the structures used.
Thanks
sandeep nitta
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Cove Schneider wrote:
Guy Harris wrote:
Either
1) the pipe is or other network connection is in non-blocking mode
(in which case it *won't* block in that case)
or
2) there's a bug in the OS on which you're running this.
I believe it's 1 here, the other end of the pipe is handled b
1. Is there is a limit in the length of filter string
afaik 256 BPF instructions
2. What will be the performance impact because of having a huge filter
string.
linear performance impact
3. Will PCAP automatically reduce the the filter string for performance.
not for a chain of explicit h
Hi,
I am writing an application that captures all the data in the network and
processes only the voice packets. In order to minimize the data that i
process, i have provided a capture filter based on the IP address of the
voip devices. The filter is like (host 192.168.117.23 || host
192.168.117.3
