So, you’ve verified your firewall appliance is allowing your application traffic, you’ve ensured your routers are getting the traffic where it needs to go, and your access control lists on your switches are perfect. A packet cap on your switch shows the traffic getting to your Windows server. Why isn’t it working? I’ve run into the Windows server itself blocking traffic destined to its own...

What is Cisco Smart Licensing

Lately, I have encountered some clients that are not familiar with or even confused with Cisco Smart Licensing. They are either are not from the Cisco world, have not had to work with Cisco licensing much or used to the traditional licensing model. Cisco is phasing out traditional licensing and this only add to the confusion. With traditional licensing, often a...

Welcome to our in-depth look at Single Sign-On (SSO) and how Azure Active Directory (AAD) can be a game-changer for your organization's identity management. We're living in a world with an ever-growing number of applications and services and managing access to all of them can become a real headache. That's where SSO comes in, making life easier for everyone involved, from users to IT...

Everyone’s Favorite

Anyone operating a PKI or an application whose functionality requires one, can attest to the ever-increasing amount of time spent keeping certificates up-to-date and compliant with the contemporary cryptography standards. When certificates expire, things break. When cryptography standards evolve, things break. For these reasons, the typical network/systems operator may find it...

Today we will be looking at a quick How-To, on how to enable International calling on a per user basis. This is very useful when you want to allow one or multiple users, permission to make outgoing calls, but not an entire branch. Let’s get into it!

Hello everyone, today I’ll be going over how to upgrade your SD-WAN network or deployment. This guide includes how to upgrade devices such as, vManage, vSmart, vBond, and vEdge routers. All upgrades should be done during a maintenance window if you are doing this on a live production network.

Introduction

Migrating another firewall to Cisco Firepower Threat Defense (FTD) can be a daunting task. Depending on the role of the firewall, it can have thousands of ACL entries, network and service objects and network address translations (NAT). Fortunately, for anyone that is migrating to Cisco FTDs that are managed by Cisco Firepower Management Center (FMC), Cisco provides a firewall...

Cisco leads the word in Corporate on premises telephony and collaboration solutions. For the past couple of years its trying to mimic this offering via its cloud services and Webex Calling. Webex Calling has been maturing pretty quickly and billions of dollars of investments result in new features and expansions on a weekly basis.

In this blog, we will go over some of their latest features and...

Introduction

This will be the final installment in this NSLOOKUP Primer series. Last time, I talked about MX & SPF TXT records here, but I didn’t touch on DMARC & DKIM TXT records which are also highly encouraged to help add additional layers of security to your email domain.

Within Cisco Umbrella Secure Internet Gateway (SIG) many features are at our disposal, such as Secure Web Gateway, DNS-Layer security, Cloud-delivered firewall, and many more. Information about Cisco Umbrella SIG can be found here.

https://umbrella.cisco.com/products/sig-product

In a previous blog I’ve talked about Cisco Umbrella DNS-layer and how to secure your organization at the DNS level. In...