DNS Protection, what is it? DNS, or the Domain Name System, is a system translating URL addresses of websites into a language understandable for computers. Protecting DNS, we do not allow undesired domains to transfer information to our users. This is how we can protect them from phishing or ransomware attacks. When we add a […]
Many people wonder why good design and implementation of corporate LAN and Edge features is necessary. There are many answers to this simple question and among them, we require a good network to be least vulnerable to unwanted intrusions along with it to be able to support all our requirements. We have compiled a list that you […]
Cisco ASA EoL EoS – what does EoL / EoS status of Cisco products mean, what does it mean for Cisco ASA lines and could be a replacement line of product?
I am presenting a video showing how Duo can be used as second factor authentication (push app notification in this case) for VPN remote access connections.
In this blog post, I am sharing a video showing how to use Multi-Factor Authentication for RDP (Remote Desktop) sessions. We’ll use Cisco Duo Security as the second factor (push app) authentication method. This recording was prepared for one of our Grandmetric Tech Meetings. Lab schema: RDP and second factor authentication live demo […]
In following post I will discuss the concept of Identity based networking and its components based on Cisco Systems products. Then I will show the steps how to build functional network where pxGrid is one of the core protocols used.
On 8th of October 2019 we hosted first event from the new series: Tech Meeting Series. The conference cycle is intended for IT departments, engineers and IT managers who want to follow latest technology trends, want to talk about the technology with others, share experience and look for solutions best suitable for their organizations.
We are very proud to announce that Grandmetric successfuly delivered the first Software-Defined production network in quarter 1 2019 for Pfeifer & Langen Polska S.A. The implementation was part of network and IT operations optimization project for one of the largest sugar manufacturer in this part of Europe.
Introduction to Wi-Fi Security Distributing data using wireless medium means that anyone can capture the signal. There is no boundary, like in case of cable communication, which prevents unwanted access. This means we must take other security measures. In this blogpost we will review current algorithms providing Wi-Fi security and we will take a sneak […]
Recently i was asked to advise in the following scenario: VPN tunnel between AWS VPC and Cisco IOS routers on DC prem. Nothing sophisticated but: Two ISR 4k, HSRP VPN redundancy, legacy crypto maps in production (several working vpns) and Static VTI (AWS). Two Crypto structures sourced from one HSRP. I have put the results on blog.
