Re: [Sheflug] (no subject)

["Chris J" <cej [at] xxxxxxxxxxxxxxxx>]

And Lo! The Great Prophet Alex Hudson uttered these words of wisdom:
> On Wed, 2003-10-01 at 00:31, Chris J wrote:
> > I'm a little confused; Andy - by tracepath do you mean traceroute? 
> 
> Get with the programme, Granddad ;)
> 

:P

I've never come across it, nor have I got tracepath on my system, nor have 
I come across it on non-linux systems either. On those grounds, I think I'm 
justified (and /not/ ancient[1], contrary to popular belief). So ner :P


> 	It traces path to destination discovering MTU along this path. 
> 	It uses UDP port port or some random port.  It is similar to
> 	traceroute, only does not not require superuser privileges and
> 	has no fancy options.

Fair 'nuff, so it's a more secure and less flexible traceroute :) Though as 
I mentioned elsewhere, I tend to use tcptraceroute these days.

> 
> > Either way, traceroute on UNIX has always used UDP, so won't be affected
> > by ICMP blocking.
> 
> It actually would be if they were blocking ICMP; the packet death would
> never get back to you. But, it doesn't look like they are actually
> dropping ICMP, just ping ;)
> 

Yeah, had I been more awake when posting I think I'd have been more 
specific. Echo-Reply and possibly Echo-Request have been blocked, but 
TTL-Exceeded is still allowed :)

Chris...
[1] mu mu.


-- 
\ Chris Johnson           \ NP: Dream Disciples - 10. A Cure For Pain
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