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Server Security


“My IP is blacklisted. How to remove it?” – Experts answer

Help! My IP is blacklisted. All my mails are bouncing. How to remove it?

This is a common support request we resolve here at our Server Administration Services support desk.

Website owners wake up one day to find all their business mails bouncing, citing the reason that the server is a source of spam. (more…)

How to fix Mutagen Astronomy vulnerability (CVE-2018-14634 bug) in RedHat, CentOS, Debian & Ubuntu servers

On Sep 25th, security researcher Qualys disclosed a new Linux Kernel vulnerability dubbed Mutagen Astronomy (CVE-2018-14634) that allows attackers to gain administrator (root) privileges in unpatched Linux servers.

Here at Bobcares.com, we maintain servers of web hosts and other online businesses as part of our Server Management Services. In this service we detect emerging threats and proactively patch the servers to prevent security exploits. (more…)

How to scan server for malware

How to scan server for malware

Google blacklists up to 6,000 websites EVERY DAY for serving malware. Almost all of these sites are classified as “compromised sites”, which means it was infected with malware without the knowledge of the site owner.

A malware infection could lead to loss in SEO ranking, and business reputation. Building back the site traffic could take weeks, if not months.

(more…)

Server security monitoring – Why do it, and what to monitor

Server monitoring services are a dime a dozen. You get an alert when a service (HTTP, SMTP, etc.) goes down. But is that enough for you to keep your server safe and secure?

What if your server is vulnerable to a new software bug, or what if someone is trying to brute force your password? Wouldn’t you want to know, and take action?

That is why Server Security Monitoring is important. (more…)

LFD saying “Suspicious process running under user XXXX”? Here’s how we fixed it

Here at Bobcares, our Dedicated Support Engineers maintain servers of web hosts, web designers, and other online businesses.

In cPanel and Plesk servers, a common error we see from LFD (Login Failure Daemon) is Suspicious process running under user XXXX. (more…)

How to prevent mod-security 403 server errors in webhosting servers

How to prevent mod-security 403 server errors in webhosting servers

[Fri Jul 15 16:03:06 2016] [error] [client 91.***.**.**] ModSecurity: Access denied with code 403, [Rule:'ARGS|!ARGS:/page_content/|!ARGS:file|

This is a common error faced by web hosts, website owners and server owners. It means that the mod-security rules in the web server are blocking access to the users who try to access any URL in their site. (more…)

Are you shunning server updates? Think twice before you do that!

Are you shunning server updates? Think twice before you do that!

Server updates – We all know it’s important, but many often, server owners push aside these server updates, until its too late..

One may have many reasons for that, and most often it happens as we think it’s not that important or a top priority matter. Server owners may also be worried about something going wrong after the update.

In our Emergency support services, we often come across customers who had their servers hacked due to not keeping their servers updated. (more…)

Secure your Windows 2003 and 2008 servers from WannaCry ransomware

Secure your Windows 2003 and 2008 servers from WannaCry ransomware

WannaCry ransomware is all over the news now, causing the internet world to shake in doubt and fear. With over 200,000 computers in 150 countries being affected, the damage is really wide-spread.

For businesses and servers that are affected by this malware, the impact of this attack is huge and can lead to loss of business. As a result, it is important to secure your servers for ensuring their normal functioning. (more…)

A complete 14 point guide to secure cPanel servers

Security is one of the major concerns we tackle in our Outsourced hosting Support for web hosting companies. Server compromises can lead to financial loss and affect the business credibility.

With our expertise managing hundreds of cPanel servers for web hosts, we have been able to identify and address all the security loop holes that can happen in a cPanel server. (more…)