ping questions

Colin Law clanlaw at
Tue Dec 22 14:35:47 UTC 2015

On 22 December 2015 at 14:24, Robert Heller <heller at> wrote:
> At Tue, 22 Dec 2015 09:49:26 +0100 "Ubuntu user technical support,  not for general discussions" <ubuntu-users at> wrote:
>> ---Executing: recode
>> On 22.12.2015 09:42, Crispin Wellington wrote:
>> > You pinging the live IP?
>> yes
>> >
>> > Maybe your ISP or your modem blocks ICMP ECHO?
>> but why does ping work when I am logged in "behind" the modem?
>> it is still the same IP.
> It is on the *other* side of the firewall.  Imagine if you will a one-way
> mirror.  From one side it is a mirror, from the other side it is a window...
> Something like that is going on.

What does traceroute show from inside the network and outside.

Also have you forwarded the port in the modem?


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