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IP and Mobile Trends and Education

 

Secure connectivity

10.2019

1st Tech Meeting Series – Enterprise Security Overview – Summary

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.

Author: Grandmetric
05.2019

Grandmetric to deliver first SD-WAN implementation in Poland

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.

Author: Grandmetric
04.2018

IPSec tunnel between Cisco IOS router and AWS VPC. Static VTI and crypto map with HSRP redundancy.

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.

Author: Grandmetric
10.2017

Which Next Generation Firewall to choose – Report

Often, during meetings with clients, network engineers and security specialist there is following question posed: “What firewall product best suits their environment and which one is the best currently on the market?” Like almost always the answer could be “Well, it depends” …

Author: Marcin Bialy
06.2017

Petya or NotPetya – External Blue MS17-010 hits again

No matter the attack is original Petya worm or it’s modified version (already called NotPetya), the fact is that it hits biggest brands starting at Ukraine government, Chernobyl power station continuing with Raben, Maersk or St Gobain. So yes, it is disruptive. What we know so far and how we can try to prevent if […]

Author: Marcin Bialy
05.2017

New Cisco ASA Bootcamp | Deep Dive released!

We have just announced the Cisco ASA Deep Dive training series. We’re going to dive in firewalling techniques and here is what you will learn: Rules and differences between FW Statefull, UTM and NGFW You’ll configure PAT, NAT, ACL, MPF, ROUTING, Anyconnect VPN RA, VPN Site to Site, Easy VPN HW, HA and more You’ll […]

Author: Marcin Bialy
03.2017

VPN Remote Access with Multi Factor Authentication Experience – Case Study

I would like to share my experience with VPN Remote Access and Multi Factor Authentication with products from Cisco and Duo Security: Cisco Identity Services Engine 2.X, Cisco ASA 5500-X Anyconnect Secure Mobility Client (VPN client) MFA Cloud based services from Duo Security   Background of Multi Factor Authentication Multi Factor Authentication (MFA) is already quite well […]

Author: Grandmetric
12.2016

Conflicting protocols specified by tunnel-group and group-policy

It is my pleasure to write the first in a series of post for the Troubleshooting and FAQ section of our Grandmetric blog. In this category we will publish bugs/issues, problem descriptions, handy troubleshooting techniques as well as answers for interesting questions. As Network Contractors and trainers, we have come across dozens of interesting problems that have been […]

Author: Marcin Bialy
09.2016

Today’s threats vs security approach – Updated 2017

Latest threats like the already known WannCry ransomware show today, like never before, that organizations must concentrate more intensively on complementary approach to IT Security and that having obsolete solutions that were good a decade ago can bring tragic effects on brand image or even cause the bankruptcy of the biggest enterprises. Standard, legacy approach The […]

Author: Grandmetric
 

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