[Asterisk-Users] Re: How is Teliax ?

[asterisk at anime.net]

On Sun, 2 Apr 2006, Rich Adamson wrote:
>>> end-to-end path. Each step through the tracert process does nothing more 
>>> then issue an icmp echo request, measuring the response time and 
>>> displaying it.
>> maybe on windows it does icmp echo but no unix does this (at least not by 
>> default). i recommend you study what unix traceroute actually does. :)
> I'm very heavy (professionally) into protocol analysis, and yes unix does 
> rely on icmp to perform the traceroute. (icmp pkt type 11, code 0)
> If you're a non-believer, put an access list on all icmp traffic and see if 
> your traceroute continues to function. :)

I said unix doesn't rely on icmp echo (might want to actually read the 
message next time :)

I can block icmp echo and unix traceroute will function perfectly fine.

-Dan