Concept of private VLAN A VLAN allows unrestricted traffic flow among the hosts within the VLAN. When a packet is sent from a host to a destination machine within a VLAN, the switch sends that packet only to the destination host machine, not to … [Continue reading]
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 … [Continue reading]
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, … [Continue reading]
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 … [Continue reading]
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 … [Continue reading]
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 … [Continue reading]
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 … [Continue reading]
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 … [Continue reading]
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 … [Continue reading]
OpenSSL is a free and open-source SSL solution that anyone can use for personal and commercial purpose. Though it is free, it can expire and you may need to renew it. This post will you how to renew self- signed certificate with OpenSSL tool in Linux … [Continue reading]
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. … [Continue reading]
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