Dns -

19 results for: dns

Configuring DNS-over-TLS and DNS-over-HTTPS with any DNS Server

The new DNS-over-TLS (DoT) and DNS-over-HTTPS (DoH) protocols are available for enabling end user's privacy and security given the fact that most DNS clients use UDP or TCP protocols which are prone to eavesdropping, vulnerable to Man-in-the-Middle (MitM) attacks and, are frequently abused by ISPs in many countries with Internet…

Category : Home   27-12-2018  

80 Linux Network Monitor Software & Tools for Managing & Monitoring Unix/Linux Systems

It’s hard work monitoring and debugging Linux performance problems, but it’s easier with the right tools at the right time. Finding a Linux Network Monitor tool or Software package for your Critical servers and services that are running on those systems in one of the most (if not the most)…

Category : Home   23-10-2018  

How to Set up a Fully Functional Mail Server on Ubuntu 16.04 with iRedMail

Setting up your own mail server from scratch on Linux is complex and tedious, until you meet iRedMail. This tutorial is going to show you how you can easily and quickly set up a full-fledged mail server on Ubuntu 16.04 with iRedMail under 30 minutes. What is iRedMail? iRedMail is a shell…

Category : Networking   08-08-2018  

Ubuntu servers security: 25 security tools to armor your system

The Ubuntu repositories contain several useful tools for maintaining a secure network and network administration.This security tools include network scanning,attack detection,Virus Detection etc.   1) Wireshark -- network traffic analyzer Wireshark is a network traffic analyzer, or "sniffer", for Unix and Unix-like operating systems. It is used for network troubleshooting, analysis, software and…

Category : Servers   14-09-2016  

How to Configure Cloudflare Flexible SSL with WordPress website

This article is part of a serie of articles about Wordpress optimization with Cloudflare and some kinds of servers, if you want to understand well read these articles before: Speed up your site and protect it against DDOS attacks with CloudFlare Million of visitors per day with a super cheap php mysql…

Category : Servers   03-12-2015  

Protect Ubuntu Servers With Fail2Ban

​Servers do not exist in isolation, and those virtual private servers with only the most basic SSH configuration can be vulnerable to brute force attacks. fail2ban provides a way to automatically protect virtual servers from malicious behavior. The program works by scanning through log files and reacting to offending actions…

Category : Security   17-02-2015  

Speed up your site and protect it against DDOS attacks with CloudFlare

If you have checked your site or blog, then you may noticed the page speed, YSlow, Timeline etc. An important factor to give fast content delivery to your blog’s reader and page speed, CND (Content Delivery Network) is must. The CDN makes your wordpress blog even faster to load, that…

Category : Networking   23-07-2014  

25 HTML5 speed tips

Creating high-performance web sites or applications is essential for web developers. Jatinder Mann explains that the goal of a developer is to improve web performance by reducing 25 factors: Display time The most important objective is what we refer to as 'Display Time'. This has many names across the industry including 'time to…

Category : Web design   05-12-2013  

Improving Page Performance with HTML5 Prefetch

As Wikipedia explains: Link prefetching is a proprietary syntax to give web browsers a hint about documents that it should pre-fetch because the user might visit them in the near future. It is proposed as a draft internet standard by Mozilla. A web page provides a set of prefetching hints to…

Category : Programming   23-08-2013  

Setup SSL Certificate on Apache and Ubuntu 12.04

How to Create a SSL Certificate on Apache for Ubuntu 12.04   About SSL Certificates A SSL certificate is a way to encrypt a site's information and create a more secure connection. Additionally, the certificate can show the virtual private server's identification information to site visitors. Certificate Authorities can issue SSL certificates that…

Category : Networking   02-07-2013  

14 Tools For Checking Your Website's Health

Have you ever checked your website's health? We have listed some useful sources that show if your website is operating as it should, and if there's anything that it can be done to improve it's performance from the structural and marketing aspect. Enjoy and feel free to recommend any other sources…

Category : Web design   28-06-2013  

Setting the Hostname (FQDN) in Linux Servers

Here we will show how to set your system's hostname and fully qualified domain name (FQDN). Your hostname should be something unique. Some people name their servers after planets, philosophers, or animals. Note that the system's hostname has no relationship to websites or email services hosted on it, aside from providing…

Category : Networking   29-05-2013  

Million of visitors per day with a super cheap php mysql server using nginx and varnish

These instructions are the rather verbose, but hopefully easy enough to follow, steps to build a new Linux server using Varnish and Nginx to build a php application on a cheap server , all costing under $15 a month, capable of sustaining million hits per day, (we use blitz.io to…

Category : Networking   28-05-2013  

Super Stealthy Backdoor Spreads To Hit Hundreds Of Thousands Of Web Users

One of the most sophisticated web server backdoors ever seen has spread fast and is now sitting on hundreds of webservers running some of the most popular websites in the world, researchers have warned. One expert told TechWeekEurope the Cdorked backdoor, brought to light in April, is almost as smart as Stuxnet, the malware which disrupted…

Category : Security   09-05-2013  

Top Google Website Optimization Resources

Search engine optimization (SEO) professionals, web designers, and bloggers read a lot of tips from various experts to stay fresh and up on the current trends in website optimization. But what does Google have to offer on the subject? Find out in this collection of tips, guides, resources, and tutorials…

Category : Web marketing   26-04-2013  

Apache: Install webmin on Ubuntu 12.10

Webmin is a web-based interface for system administration for Unix. Using any modern web browser, you can setup user accounts, Apache, DNS, file sharing and much more. Webmin removes the need to manually edit Unix configuration files like /etc/passwd, and lets you manage a system from the console or remotely. We…

Category : Networking   11-04-2013  

Distributed Storage Across Multiple Servers (Nodes) With GlusterFS 3.2.x On Ubuntu 12.10

  This tutorial shows how to combine four single storage servers (running Ubuntu 11.10) to one large storage server (distributed storage) with GlusterFS. The client system (Ubuntu 11.10 as well) will be able to access the storage as if it was a local filesystem. GlusterFS is a clustered file-system capable of scaling…

Category : Operating systems   11-04-2013  

PHP get DNS Nameserver , Cname , MX , A records of a domain

  PHP has a useful function called dns_get_record that can be used to get different types of records for a give domain , very easily. Nameserver - NS Records : $ php -a Interactive shell php > print_r(dns_get_record('www.binarytides.com' , DNS_NS)); Array ( => Array ( => binarytides.com => NS => omikro1.allwebserver.com => IN => 86140 ) => Array ( =>…

Category : Programming   11-04-2013  

Install ISPCONFIG 3 in UBUNTU 12.04

  Note: This is work in progress! You should probably test this in a virtual machine first and play around with various settings. There are a lot of tutorials over the Internet about how to configure an Ubuntu server for ISPConfig. I usually follow them, after all there aren’t so many variations on…

Category : Networking   11-04-2013