How to disable remote login for root user on Linux machine
These days by default a user called root would be created on every Linux system. In distros like RHEL, fedora,...
Network and security
Beginners guide to DNSSEC and how it can secure the Internet
This article assumes that you have gone through What is DNS and how it works? Domain Name System (DNS) is...What is DNS Cache Poisoning? and How you could be trapped by DNS Spoofing?
Domain Name System, is one of the important component that works behind Internet. Whenever a user connects to a domain...20 OpenSSL Commands Examples that you must know
OpenSSL is an open source toolkit used to implement the Secure Socket Layer (SSL) and Transport Layer Security (TLS) protocols....Most popular security plugins to secure your WordPress powered website
WordPress is a web software used to create a beautiful website or blog. WordPress being SEO friendly is more popular among...How to hide the DNS Server’s software name and its version? [DNS Security]
It’s a good practice to hide DNS server’s software name and its version information from resolvers. These information can assist...How to identify remote DNS server’s software name and its version?
As we started writing more about DNS, our readers started asking more queries. One of our regular reader Mr. Fedrick...Should you enable Recursion on your DNS? It’s vulnerable!
Whenever you visit a webpage in the internet, you are using DNS to get its address. Most of you might...How to enable BIND DNS server logging to monitor queries and for troubleshooting?
In our previous article, we told you to how to setup DNS server using BIND on your linux machines. Enabling...How to Install and Configure Bind to Setup your DNS Server?
If you are a regular reader of Techglimpse, then you might have read our previous articles about DNS, its types,...How to Benchmark or check the speed of your DNS Server on Linux?
If you are a regular follower of Techglimpse, then by this time you must be aware of What is DNS,...How to find out What DNS server is configured on your machine? Linux/Windows/OSX
Couple of days ago, we learnt about What is DNS and how it works. Later we also saw how to...Three Commands to find out Authoritative Nameservers of a Domain – Linux/Mac/Windows
In our previous article, we told you what is DNS, its types and how it works. Today we’ll see, how...What is DNS and the difference between Authoritative and Recursive DNS? – TG Explains
DNS called as Domain Name System or Name Server is something that is used by every internet user (knowingly or...Unsubscriber, Easiest way to Unsubscribe from Spams, Promotional and Junk emails
Who don’t receive spams, promotional emails or other junk mails? Everyday we receive tons of such unwanted emails and it...Securely manage your Passwords for all online accounts using LastPass
Well, let me ask you a very simple question. How many online accounts do you have? Though the question simple,...How to fix Cron Authentication Failure error in Linux?
Recently I was bogged with an error “Authentication Failure” for all of my cron jobs in Linux. After googling, I...Backup & Restore Wireless Network Profiles easily – Network Profiles Utility
If you are re-installing your windows operating system, then you will have to re-configure all the applications, copy your personal...More than 90K WordPress Blogs has been hacked – [Security Tips]
Do you own a WordPress blog? Then its time to reassess your blog settings to make sure it is secured. According to...Share self destructing Messages or media to anyone using ReadOnce
Want to share a message or media with your friend and delete it once viewed ? Then a web service called “ReadOnce”...