9 May
2003
9 May
'03
06:09
On Friday 09 May 2003 07:39, Fabio De Francesco wrote:
The things are opposite: Traceroute uses UDP protocol, while Tracert uses ICMP echo request. They both elicit the ICMP expired on transit message when TTL goes to '0'.
I was under the distinct impression that machines didn't send ICMP error messages about ICMP packets.
Some routers blocks UDP
That would break a significant portion of the internet.