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 Post subject: Search failed (5) Too many users
PostPosted: Sat Jul 27, 2019 10:07 pm 

Joined: Tue Jul 24, 2007 2:59 pm
Posts: 7
Is this due to a DoS attack or is there a limit to the number of users? First time I've seen it.


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 Post subject: Re: Search failed (5) Too many users
PostPosted: Sat Jul 27, 2019 10:28 pm 

Joined: Thu Feb 27, 2003 5:57 pm
Posts: 4418
i noticed, checking it, it could be it ran out of memory after running for months, restarting it now.


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 Post subject: Re: Search failed (5) Too many users
PostPosted: Sat Jul 27, 2019 11:07 pm 

Joined: Thu Feb 27, 2003 5:57 pm
Posts: 4418
Looks like it is running ok after reboot.

Update:

It happened second time after 4 days, while I was monitoring the server with very similar picture.

Given the timing it could be because of recently exposed Windows RDP vulnerability, which I have now patched manually.

https://portal.msrc.microsoft.com/en-US ... -2019-0708

There is some "research" exploit code available, maybe enough to make the system unstable, but without yet taking full control.

The affected server uses the standard RDP port, so only it was hit.

If it won't happen again this was the cause.


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