OT: cannot ping remote machine

Patrick O'Callaghan pocallaghan at gmail.com
Sun May 29 15:47:12 UTC 2011


On Sun, 2011-05-29 at 14:48 +0100, Timothy Murphy wrote:
> I'm using a Billion modem/router in Italy;
> I'm not sure if the problem lies with this?
> Or if some server along the way refuses to allow pings?

Most likely the latter. Some ISPs don't respond to pings from their
internal networks, even though AFAIK this is frowned on by the RFCs.

There's a TCP-based version of traceroute out there
(http://michael.toren.net/code/tcptraceroute/) which might get you
farther. I don't know if there's repo for it anywhere.

poc



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