Scenario: you have your own domain and have setup an email address in your server using, say, roundcube. Now, you want to send emails using a reliable free third party SMTP relay. What steps you need to follow to use Gmail SMTP? You have to have postfix installed in your server. This post will show you how to configure postfix to use Gmail SMTP relay. But you to … [Read more...] about How to setup Gmail SMTP relay to send email from your domain?
20 Types of Database Security to Defend Against Data Breach
In today’s cyber security, landscape database is considered to be the most important asset of an organization, which holds sensitive information about the business and employees . Having installed and configured firewalls, IDS and end point security, one should not expect that the database is secure and there is no way anyone can breach data. Most of the major data breach … [Read more...] about 20 Types of Database Security to Defend Against Data Breach
How to Check and Enable Gzip Compression in CentOS for WordPress?
Gzip compression is used to zip or compress webpages in the webserver before serving it to the users’ web browser. Thus it saves network bandwidth because the server sends the compressed form of your webpage over the network. Another advantage of Gzip compression is faster page loading time. When the users’ machines receive the compressed format of webpages, it only takes a few … [Read more...] about How to Check and Enable Gzip Compression in CentOS for WordPress?
5 Open-Source Host Based IDS Software to Detect Intrusion
This post is to help you learn about five effective open-source host-based intrusion detection software.The success of a host-based intrusion detection system depends on how you set the rules to monitor your files integrity. So, while configuring you need to remember that if you do not include the directories that you want to protect, the IDS will not detect anyting and a … [Read more...] about 5 Open-Source Host Based IDS Software to Detect Intrusion
3 Simple Steps to Capture Cisco ASA Traffic with Command Line
Though many network engineers love using ADSM packet capture option, CLI(command line interface) mode is more useful and saves time if you want to customize your traffic capture command. Create a few customized capture commands in a text file and then paste it in the CLI of your ASA . use the following three generic steps: … [Read more...] about 3 Simple Steps to Capture Cisco ASA Traffic with Command Line
9 Advantages and Disadvantages of Cloud Computing for Business
Deciding to move on to a cloud means moving your data into somebody’s computers. To develop your computing facilities without investing in hardware and infrastructure is what cloud computing all about. In an organization, you may be the decision maker thanking about whether to put your data in a third party cloud or in your own cloud. You can have a look at the following … [Read more...] about 9 Advantages and Disadvantages of Cloud Computing for Business
Tips for Network Security Breach Investigation
Investigating network security breach may seem to be a daunting task to someone who has no prior experience of security breach investigation. Like any other IT disciplines, you can handle and investigate network security breach better if you have are well-equipped with the necessary tools and techniques used by the professionals. No matter if you are a network engineer or a … [Read more...] about Tips for Network Security Breach Investigation
How to Extend Linux LVM by Adding a New Hard Disk
You may need to add new disk to your Linux LVM for various reasons such as for adding capacity for your existing applications or new applications. This post aims to show you how you can add a new disk to your existing LVM as well as to a new LVM. The difference between adding a new disk to a new LVM and to an existing LVM is that in the latter case you do not have to create a … [Read more...] about How to Extend Linux LVM by Adding a New Hard Disk
How to Renew Self-Signed SSL Certificate with OpenSSL Tool in Linux
OpenSSL is a free and open-source SSL solution that anyone can use for personal and commercial purposes. Although it is free, certificates created with it can expire, and you may need to renew them. This post will show you how to renew a self-signed certificate using the OpenSSL tool on a Linux server. If you are looking into creating a new self-signed certificate instead of … [Read more...] about How to Renew Self-Signed SSL Certificate with OpenSSL Tool in Linux
How to Share Internet Connection using Android Mobile Tethering
This post aims to help learn how to connect an android mobile to laptop for sharing Internet connection. For USB tethering, you must need to your mobile’s USB cable to connect to the computer or can use wireless connection. … [Read more...] about How to Share Internet Connection using Android Mobile Tethering
20 Ways to Secure Home Network
Almost every Internet user has their home network that every family member use to Internet access.For your home network security you can follow a few simple steps to eliminate the chances of your network being compromised. Before diving deep into the home network security issues, you may have a look at the vulnerability points in your network, including your client machine. … [Read more...] about 20 Ways to Secure Home Network