In new age of remote access VPN we have TCP/SSL or TCP/TLS as preferable protocol over IPSec. As advantages of this VPN method over IPSec we can find its flexibility(it does not requires additional ports over 443 allowing through corporate firewalls), similar security strength as IPSec(asymmetric encryption key, strong encryption and authentication protocols etc.), reliability… Read More Remote Access SSL VPN Configuration on Cisco ASA Firewall Through CLI by Using Certificate/Username for Authentication and AnyConnect Client
Setting up environment with Java, Maven and Git In this article I will explain process of installation all prerequisites needed for start developing applications for OpenDaylight controller. When we have all prerequisites installed we can start with OpenDaylight application development. OS we will use is Ubuntu Desktop installed on VirtualBox virtualization platform. In my article… Read More How to Setup Environment for OpenDaylight Applications Development
If you want to play with Ubuntu Linux VirualBox is good virtualization platform on which Ubuntu can be installed. In this article I will describe process of virtual machine crating and installing Ubuntu on it in few simple steps. So, let`s start: Step 1: Create new VM at VirtualBox Open VirtualBox and click on New.… Read More How to install Ubuntu on VirtualBox
In one of my previous articles I described process of installation Mininet and OpenDaylight controller at VirtualBox virtualization platform. At this article I will show how to start simple network using Mininet, connect network to OpenDaylight controller and get your network topology visualized at OpenDaylight „topology“ tab. When you have your network from Mininet connected… Read More Visualize Your Mininet Network at OpenDaylight SDN Controller
Currently, one of the best ways to start learning SDN networking is to use mininet emulation software with one of the open source SDN controllers. One of solutions is open source controller OpenDaylight and now I will try to present how to install and start this controller and some of its features. If you want… Read More How to install OpenDaylight SDN controller on VirtualBox
If you have problem with signature updating on your Cisco IPS module for your Cisco ASA firewall you can try to do it manually, from CLI. In my network I had this problem, we successfully did update manually and get all IPS modules finally green. Before I start with update process explanation I want to… Read More How to do Cisco IPS signatures update manually
Now, in the time when Microsoft TMG EOL (End of Life) announcement are behind us, many of us still using it and think that it is one very good productJ. And we still use it and want it is still supported and developed but we have to think about replacing it with some alternative solution.… Read More TMG replacement dilemma – what is the best choice?