[Network] 'mtr' tool : are these results abnormal ??

R Kimber rkimber at ntlworld.com
Tue Sep 5 14:43:43 UTC 2006


On Tue, 05 Sep 2006 14:29:39 +0100
Tony Arnold <tony.arnold at manchester.ac.uk> wrote:

> I must admit I was confused by the figures. I'm not sure what mtr uses
> to measure the packet loss, but if a firewall was blocking ICMP, I
> would expect 100% loss, so it must be a bit more complicated than
> that.
> 
> I've just looked at my IP tables, and there is this line there:
> 
> ACCEPT     icmp --  anywhere             anywhere            limit:
> avg 10/sec burst 5

Yes, I have:
ACCEPT     icmp --  0.0.0.0/0            0.0.0.0/0           limit:
avg 10/sec burst 5

> Maybe there is similar filtering on the Keel WEB server?

I don't know, I'm just a user, who lives in Cardiff.

- Richard.
-- 
Richard Kimber
http://www.psr.keele.ac.uk/




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