the need for raw-network-sockets in BSD nowadays?

Joerg Sonnenberger joerg at britannica.bec.de
Fri Apr 29 07:45:10 PDT 2005


On Fri, Apr 29, 2005 at 03:57:11PM +0200, Hummel Tom wrote:
> >For any protocol that's not handled by the kernel or for sending
> >self-crafted packets. Ping uses raw sockets, so does nmap. 
> 
> Ping uses raw sockets? I really doubt that, if not, why do we have any 
> ICMP implementation?

Because providing an interface for a superset of all the ICMP userland
tools is easily more work than raw sockets. The kernel ICMP implements
all the kernel cares about, not more.

Joerg





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