[AusNOG] Telstra blocking ICMP

[James Loh]

Hey Ross,

That’s pretty much exactly what we see. SSH works fine but ICMP just fails.
They do flap a bit but even resetting the dialout interface and getting a
new IP doesn’t resolve it.

Cheers,
James

On Thu, 21 Mar 2019 at 4:55 pm, Ross [Eve IT] <ross at eve-it.net> wrote:

> Hi James,
>
> We also have Opengear OOB devices around the country (Telstra 3G/4G on the
> telstra.extranet APN) and have noticed that they bounce quite often and
> actually remain down.
> Yet 9 out of 10 times we can still pass ssh through to the consoles.
>
> It's pretty recent, and I haven't been able to get a straight answer from
> Telstra.
> I think they may be doing some kind of rate limiting and blocking for a
> certain amount of time.
>
> Have not been able to confirm.
>
> Regards,
> Ross.
>
>
> On Thu, Mar 21, 2019 at 2:54 PM James Loh <jloh at squiz.net> wrote:
>
>> Hi all,
>>
>> Sorry for the noise but I'm not sure who to reach out to and we don't
>> have an account manager or anything (only a few SIMs).
>>
>> We've got a standard Telstra service that we use in Opengear devices for
>> OOB access. Recently (~6th of March) we've seen ICMP traffic completely
>> dropped and it never reaches the device. TCP port 22 works fine however
>> which is a bit weird!
>>
>> Anyone ran into anything like this before?
>>
>> Cheers,
>> James
>> _______________________________________________
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>> AusNOG at lists.ausnog.net
>> http://lists.ausnog.net/mailman/listinfo/ausnog
>>
>
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