Hi again Ish,
I pinged lexpress.mu from a server located in France and my result is as
follows:
PING lexpress.mu (52.18.210.200) 56(84) bytes of data.
64 bytes from ec2-52-18-210-200.eu-west-1.compute.amazonaws.com
(52.18.210.200): icmp_seq=1 ttl=47 time=19.0 ms
64 bytes from ec2-52-18-210-200.eu-west-1.compute.amazonaws.com
(52.18.210.200): icmp_seq=2 ttl=47 time=19.2 ms
64 bytes from ec2-52-18-210-200.eu-west-1.compute.amazonaws.com
(52.18.210.200): icmp_seq=3 ttl=47 time=18.6 ms
64 bytes from ec2-52-18-210-200.eu-west-1.compute.amazonaws.com
(52.18.210.200): icmp_seq=4 ttl=47 time=19.0 ms
64 bytes from ec2-52-18-210-200.eu-west-1.compute.amazonaws.com
(52.18.210.200): icmp_seq=5 ttl=47 time=18.8 ms
Thanks for your tests, there is a specific technical reason ( which I can't
disclose here) why the latency I got is around 300ms.
Hi SM,
In the 1990s there was a software vulnerability. The vulnerability
affected several Operating Systems and the "attack" was known as the Ping
of Death. One of the measures which people resorted to was to block ICMP.
It has been a long time since that type of "attack" is no longer possible.
However, some junior system administrators still block ICMP as they don't
know whether there is a technical reason or not.
The Linux System Administrator of LSL Digital already explained why I saw
"pings" being blocked.
To be honest, never heard of 'Ping Of death' attack (I was born in 1989),
but I will try my best to investigate further to have a better
understanding of the matter.
Yes, Ish was clear in his explanations for the 'blocked' ping.
Reagrds,
Anthony
On Wed, Apr 5, 2017 at 9:54 AM, S Moonesamy <sm+mu_at_elandsys.com> wrote:
> Hi Anthony,
> At 23:04 04-04-2017, Anthony Salomon wrote:
>
>> If this can help, this is the output of a ping result from a French IP :
>>
>
> Thanks.
>
> Would be happy to hear about any technical reason why it was blocked when
>> you did the test.
>>
>
> In the 1990s there was a software vulnerability. The vulnerability
> affected several Operating Systems and the "attack" was known as the Ping
> of Death. One of the measures which people resorted to was to block ICMP.
> It has been a long time since that type of "attack" is no longer possible.
> However, some junior system administrators still block ICMP as they don't
> know whether there is a technical reason or not.
>
> The Linux System Administrator of LSL Digital already explained why I saw
> "pings" being blocked.
>
> Regards,
> S. Moonesamy
>
Received on Wed Apr 05 2017 - 08:32:53 PST