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Security Blogs


What is Linux Server Auditing, and how to do it

According to surveys, 68% of the internet runs on Linux. So, if you have a website, chances are that it runs on a Linux server.

From big cloud providers to small VPS providers sell servers that run Linux by default.

The trouble is, a lot of website owners are not familiar with Linux as they use Windows or iOS in their laptop.

This unfamiliarity leads to a poorly maintained server that becomes vulnerable to malware, hackers and resource bottlenecks. (more…)

A webmaster’s handbook on SSL certificates

A webmaster’s handbook on SSL certificates

In the world of eCommerce, security is paramount. Fear of fraud continues to keep millions of consumers from shopping online. SSL Certificates give you an easy, cost-effective way to protect your visitors and earn their trust. (more…)

Eitest infection – Why your servers maybe at risk!

One of the world’s longest lived malware networks, Eitest network is offline now. But the infection is still active and can affect servers running malicious and vulnerable code.

When the EITest infrastructure was discovered in 2011, it was not foreseen that cyber criminals would start using it as a TDS botnet. Today, we’ll see what is Eitest infection, and how your server can get affected by it. (more…)

How to prevent ‘Certificate for FILE “(CN: domain.com)” has expired!’ errors in your server

Earlier, only businesses that dealt with confidential information such as credit card or online transactions, were bothered about their website security.

But with most advanced browsers now making HTTPS mandatory, and even Google considering it as a parameter for website ranking, every website is now getting an SSL certificate. (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…)

cPanel spam mitigation – How we fight spamming in cPanel servers

Spam mails are more than a mere nuisance for web hosts. When a server is being spammed, valid mails get lost or delayed indefinitely in the pool of spam mails.

Equally panicky situation is outbound spamming from your server. Your mail server IP can easily get blacklisted, causing email delivery failures for your customers.
(more…)

3 Simple steps to setup Let’s Encrypt in NginX server

3 Simple steps to setup Let’s Encrypt in NginX server

SSL certificates are costly. Or, used to be.

Now, website owners have a free, totally reliable option to setup HTTPS for their websites : Let’s Encrypt

Let’s Encrypt is a Certificate Authority that provides valid SSL certificates for free.

The downside is that, it can be a bit hard to setup – especially if you’re new to command lines.

(more…)

Email blacklist removal – How to stay off blacklists for uninterrupted mail service

Email blacklist removal – How to stay off blacklists for uninterrupted mail service

Getting listed in a spam blacklist is a dreadful experience for server owners. Users end up facing email delivery failures and bounces, which can take your business reputation for a toss.

To protect their mail servers from spam, most server owners have rules configured in their mail servers to filter out mails from addresses that are listed in Spam blacklists. This can cause mails sent from your mail server to bounce, if your IP is in that list.

(more…)

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