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Zeusandhera Knowledgebase – Just some random information I thought should be somewhere on the Internet

Let’s Encrypt, TLS-SNI-01, and cPanel

Received a message from Let's Encrypt about the TLS-SNI-01 validation method expiring: "Hello,**Action is required to prevent your Let's Encrypt certificate renewals from breaking.**Your Let’s Encrypt client used ACME TLS-SNI-01 domain validation to issue a certificate in the past 60 days.TLS-SNI-01 validation is reaching end-of-life and will stop [...]

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WHM 2FA Error – The security code is invalid

  2021-09-16
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When trying to set up two factor authentication (2FA) in WHM >> Security Center >> Two-Factor Authentication, after enabling the policy, going to the Manage My Account tab, [...]

Malicious rer-elemer WordPress Plugin

  2020-12-22
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If you are seeing this page then you likely have a Wordpress plugin named "rer-elemer" in your list of plugins. This plugin is malicious and generally should be removed [...]

Adding libsodium to PHP 7.2 and 7.3 on a cPanel server

  2019-10-22
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If you are on a server with WHM/cPanel, you may notice that they don't include sodium in the list of available PHP modules for PHP 7.2 and 7.3, then this guide will help you [...]

Kernel does not support the prevention of symlink ownership attacks.

  2018-12-12
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This is how the warning looks in WHM. In an update to WHM's Security advisor in version 76, it started checking the kernel version for symlink attacks, which is a [...]

Plesk Onyx Expiring Subscription

  2018-09-18
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Subject: Subscription event notification: The subscription term is about to expire. The term of subscription 'domain1.com', owned by user DomainOne (username 'domain1') is [...]

Domain abc.com has an outgoing mail suspension. Message discarded.

  2018-05-25
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2018-05-25 18:55:46.797 [9730] 1fMBwM-0002Rr-MX ** test@gmail.com F=<cpaneluser@host.abc.com> R=enforce_mail_permissions: Domain abc.com has an outgoing mail suspension. [...]

memcached: error while loading shared libraries: libevent-1.4.so.2

  2018-01-12
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[root@host ~]# service memcached restart Stopping memcached: [FAILED] Starting memcached: memcached: error while loading shared libraries: libevent-1.4.so.2: cannot open [...]

cPanel – File Manager not showing files, only “Fetching directory contents…”

  2017-03-31
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I ran into an issue with cPanel in WHM 62 using the Paper Lantern theme, the "File Manager" option in cpanel would load, but it wouldn't show any files, only "Fetching [...]

cPanel – Missing FTP Accounts

  2017-03-31
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I ran into an issue with Cpanel in WHM 62 using the Paper Lantern theme, the "FTP Accounts" option in cpanel would load, but it wouldn't show any of the accounts there. The [...]

Using Telnet on a Secondary IP Address

  2017-03-24
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In order to test to see if a remote server was blocking the main IP of a server, I had to try to make a manual connection from the secondary IP. It wasn't exactly obvious to [...]