How to Run a Traceroute with Pingplotter
Learn how to use PingPlotter to run a traceroute and diagnose network outages. This simple tool helps identify whether connection problems stem from your ISP, server provider, or intermediate networks.
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Easily Find Bad Email Passwords on Plesk
Learn how to quickly identify weak email passwords in Plesk by querying the database against a list of commonly used passwords, helping prevent spammers from compromising your server and flooding it with unwanted email.
How to Quickly Fix OpenSSL issues in Plesk 9
Parallels has expanded OpenSSL patches for Plesk 9 to include RHEL 5. Patches now cover CentOS 4/5, RHEL 4/5, and Fedora 11 in both x86 and x86_64 versions, fixing critical web engine bugs.
How to Fix Plesk after Red Hat OpenSSL Updates
Red Hat's OpenSSL update breaks Plesk startup with SSL errors and stale pidfile messages. Parallels released patches for CentOS 4/5 and RHEL 4. Apply after updating openssl, httpd, and mod_ssl to resolve the issue.
How to Harden and Secure SSH for Improved Security
SSH brute force attacks are surging. Secure your server by restricting user access, implementing firewall rules, disabling password authentication, using TCP wrappers, and increasing key strength for robust protection.
How to Add Protective Measures Against SSH Attacks
SSH brute force attacks are increasing. Protect your server by using strong passwords, disabling SSH Protocol 1, restricting root login, and reducing grace time. These simple hardening measures significantly improve SSH security.
How to Remove Google Site May Harm You Warning
Learn how to remove Google's "This site may harm your computer" warning by cleaning malware from your site, identifying security vulnerabilities, and requesting a review through Google Webmaster Tools.
How to Stop Email Backscatter
Experiencing hundreds of bounce messages for emails you never sent? You're likely a backscatter victim—where spammers forge your address as the reply-to field. Here's how to identify and minimize the problem.
How to Fix Red Hat RHN Registration Errors
Encountering Red Hat RHN registration errors? There's a bug in rhn_register causing InvalidDefaultError. Skip the broken tool and use rhnreg_ks with your username and password instead. This workaround successfully resolves the command-line registration issue.
Plesk Firewall – How to Add Logging
Learn how to enable logging in Plesk's firewall module by creating a custom iptables chain. This workaround helps debug connection issues, though logging resets when editing firewall settings or rebooting.