Hello to all !
I have a weird problem.
The miner works, receives tasks from the pool and executes them.
Receives and executes.
Those, the miner has a connection with the pool.
But the hash rate is not displayed on the pool.
The problem occurs periodically, often, 1-2 times every 1-2 days.
Help please
P.S.
I use a free VPN HotSpot Shield
When I see a "shutdown" of one of the rigs on the Dashboard graph, I go to turn off the miner, turn off the vpn, and then turn on the vpn and the miner. Then everything works.
I wrote in ethermine support, they told me that most likely a problem with vpn.
But how can this be: the cards work and consume power, and according to the pool statistics, the rig does not send anything.
I have the same issue. But it's not quite an issue

You can leave it like this, you will still get the coins as long as shares are submitted to the pool.
Not sure, needs quite digging such problem, but someone could steal your hashrate /DNS spoofing/. It happened to the whole ethermine ~2017 year /afaik - then it was another advertised AS (autonomous system), which is totally illegal/.
Just use SSL - this might not solve your issue, but it's very good practice.
the option in config file (change by your location):
-epool ssl://us1-etc.ethermine.org:5555
@farsky - I see you using non-SSL - us1-etc.ethermine.org:4444, so I might be right.