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Topics - blue-yu

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Information / Ebury trojan on all of my CWP servers
« on: March 22, 2023, 06:09:11 PM »

Today I was informed by our national domain registry that couple of my ip addresses are doing some malicious activities. Also they suspected that it is "Ebury Linux SSH rootkit/backdoor trojan".

And really after malware scan of all my servers (5 servers), everyone was having this trojan. Any hint on how can those trojans get in to the system, and how to prevent future problems?

DNS / DNS manager GUI not working
« on: September 20, 2022, 07:55:58 AM »

Yesterday I noticed that DNS manager GUI on my Slave DNS Server is not working. It was working last time I was checking, but it was long time ago. When I try to access it I got following error:

This page isnít working
dns1.*****.net is currently unable to handle this request.

Any idea what could be wrong?

CentOS-WebPanel Bugs / Mailbox usage bug?
« on: June 21, 2021, 08:07:58 PM »

Mailbox account usage is showing 10x more used space than in reality in admin panel. In user panel that same mail account is showing normal usage.

Any idea? Bug?

Installation / Disk space allocation
« on: July 14, 2020, 09:22:22 AM »

I have created VM with 500GB disk. Plan for this server is to host huge amount of emails. I have discovered that current disk allocation is:
root - 50GB
swap - 4GB
home - 445GB

Since emails are not located in home folder I have an issue that root folder is not big enough.

What did I do wrong?

E-Mail / Use my own domain as imap server instead of server domain
« on: June 19, 2020, 08:43:20 PM »

I want to use my own domain address for ssl/tls imap and smtp instead of servers address.


My domain is, mail server is and Let's encrypt is generated with all Admin services (mail,webmail,...)
Server is Firefox is complaining that CN in certificate is and not

I hope that someone understand what I want to achieve :)


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