drop a packet from a preprocessor

[David Cann <dlcann () engmail uwaterloo ca>]

If I wanted to write a preprocessor to do nothing but drop a packet of 
type ICMP, is the following code correct?

if ( p->iph->ip_proto == 1 ) {
   InlineDrop();
}

Is this correct? I'm running snort in Inline-mode, but this InlineDrop() 
command doesn't seem to kill the packet. Ideally I want to send a 
"reject" command back to iptables, but "drop" would also be sufficient.

Note, I have all the regular preprocessor boilerplate code, all I need 
to figure out is this one bit

Thanks,
--D


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