[CentOS] packet traversal

Robert Clove wrote:
> On Saturday, December 7, 2013, wrote:
>> Robert Clove wrote:
>> >
>> > I don't know whether i am asking on a correct list or not i have a
>> > query that how to know that what system call are called when packet
enters
>> > the system or when we send a packet from a system?
>>
>> Hi, there. Sounds like you want to do a tcpdump, or some such, on eth0
>> (or whatever).
>>
> Tcpdump won"t tell the system calls

If you know the process, you could use strace.

       mark (in the US, where it's still 6 Dec)