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Security

BubbleWrap jail for users on Directadmin servers

Since the version 1.61.0 of DirectAdmin a jailed shell and jailed cron are supported. This can be achieved with a help of BubbleWrap the unprivileged sandboxing tool. On Linux servers

https://help.poralix.com/articles/bubblewrap-jail-for-users-on-directadmin-servers

CSF/LFD exceptions for Directadmin powered server

To reduce a number of false alarms and email notifications from CSF/LFD on a Directadmin powered server we need to add some trusted services into an exception list which is stored in...

https://help.poralix.com/articles/csf-lfd-exceptions-for-directadmin-csf.pignore

CSF/LFD messenger v3 with DirectAdmin and Apache

A version 3 of CSF/LFD messenger supports SSL certificates. And it can display a message to a blocked IP address to inform an user that they are blocked in the firewall over...

https://help.poralix.com/articles/csf-lfd-messenger-v3-with-directadmin-and-apache

Directadmin and Backup encryption for GDPR compliance

Ability to encrypt backups from all levels will be available with a new release of Directadmin, and it can be already tested with a pre-release binary. Implemented to be GDPR compliant.

https://help.poralix.com/articles/directadmin-and-backup-encryption-for-gdpr-compliance

Error building curl 7.54.0 on Directadmin server against OpenSSL 1.0.2

If you have a custom installation of cURL with support of HTTP/2 and the recent version 7.54.0 fails to built with the error: implicit declaration of function...

https://help.poralix.com/articles/error-building-curl-7.54.0-on-directadmin-with-openssl-1.0.2

How to build NGINX against OpenSSL 3.0.0

A final version of OpenSSL 3.0.0 is now available for downloading. And we can build NGINX against it. Here is a short how-to.

https://help.poralix.com/articles/how-to-build-nginx-against-openssl-3-0-0-on-directadmin-server

How to enable Let's Encrypt in Directadmin

We are glad to share a new great feature that appeared in Directadmin since 1.5 version that was released a day ago. With this you can install an absolutely free SSL certificate...

https://help.poralix.com/articles/how-to-enable-letsencrypt-in-directadmin

MariaDB 10.2 does not support CentOS6 anymore.

MariaDB dropped support for CentOS 6. There are no new rpm-packages for this OS version.

https://help.poralix.com/articles/mariadb-does-not-support-centos6-anymore

Mitigation of HTTPoxy vulnerability on Directadmin powered server

On July 18th, 2016, a CGI application vulnerability, referred to as "HTTPoxy", was disclosed. An attacker can exploit vulnerable deployments by passing an HTTP Proxy header with their...

https://help.poralix.com/articles/mitigation-of-httpoxy-vulnerability-on-directadmin-server

NGINX 1.13.0 with TLSv1.3 on Directadmin Server

NGINX 1.13.0 mainline version has been released on 2017-04-25 with a support of TLSv1.3. And while we are waiting for an official release of OpenSSL 1.1.1 we prepared a guide on how to get

https://help.poralix.com/articles/nginx-with-tlsv1.3-on-directadmin-server

Protect Roundcube with Google reCaptcha

Google's reCaptcha installed as a plugin for Roundcube is a good way to protect your server against brute-force attacks on a webmail. Here you can find a guide on how to enable it on...

https://help.poralix.com/articles/protect-roundcube-with-google-recaptcha-directadmin-server

Roundcube SMTP Error (-1): Connection to server failed

Should you get an error in Roundcube "SMTP Error (-1): Connection to server failed" when trying to send emails check our case as yours might be the same. Here we will suggest a solution...

https://help.poralix.com/articles/roundcube-smtp-error-1-connection-to-server-failed

Secure Memcached on Directadmin server

CloudFlare reported in their blog-post about a big increase in an obscure amplification attack vector - using the memcached protocol, coming from UDP port 11211. Here we will provide...

https://help.poralix.com/articles/secure-memcached-on-directadmin-server

sudo: no valid sudoers sources found, quitting

While installing new sudo instructions we faced an error: "sudo: no valid sudoers sources found, quitting". Here is a fix which worked in our case.

https://help.poralix.com/articles/sudo-no-valid-sudoers-sources-found-quitting

Usernames leakage on Directadmin server through phpMyAdmin logs

A usernames leakage on Directadmin servers through phpMyAdmin logs was recently discovered. And here we will guide you through the security update in order to protect your server against...

https://help.poralix.com/articles/usernames-leakage-on-directadmin-server-through-phpmyadmin-logs

DirectAdmin Knowledge Base and Support

DirectAdmin is a web panel for a simple administration of both virtual and dedicated servers. DirectAdmin is faster, safe and more powerful than any other CP. And we know how to customize and support it.

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