October 19, 2018

Category: Firewalls

Cisco :: How to Reimage 5500-X Firewalls to FTD

In this article, we will take a look at how to reimage the¬†Cisco 5500-X series firewalls to Firepower Threat Defense (FTD). This article assumes that the reader is already familiar with ASA’s and Firepower, however, I will list some prerequisites below. Prerequisites Access to software.cisco.com to download the required imagesConsole access and access to a […]

Cisco :: Configuring Site-to-Site VPN’s on ASA Firewalls

In this video session, I cover how to configure L2L VPN’s on Cisco ASA Firewalls.¬† I have included the presentation from the video along with the essential configurations used to create a L2L VPN. Configuring Site-to-Site VPN's on ASA Firewalls from Kelvin Charles Configuration Used ***ASAv1*** ASA Version 9.8(3) ! hostname ASAv1 ! interface GigabitEthernet0/0 […]

Learning :: What is a DMZ?

In this video, I discuss what a DMZ is and how they’re typically deployed from an architecture perspective. We also take a look at how to configure a basic DMZ using a Cisco ASA firewall. What is a DMZ? from Kelvin Charles

Cisco :: Manually Add SSH Public Key’s to FXOS Devices

Background In this article, I want to cover the process of adding SSH host key’s to the FXOS chassis’. This process doesn’t seem to be widely documented hence the reason for wanting to capture and share the process. When configuring SSH on a Firepower chassis, you’re given the ability to configure strict host key checking. […]

Common Firewall Issues

One thing I come across time and time again are poorly configured firewalls. The reason for this is largely down to the people who configure them. Companies often put all their eggs in one basket when it comes to IT services which means people who perhaps aren’t best suited to managing security products, end up […]

Cisco :: How to Upgrade an ASA 5506-X

In this video, we take a look at how to upgrade a Cisco ASA 5506-X. Please like, share, comment. Useful Links: Website: www.synack.co.uk Twitter: @iwiizkiid Instagram: @iwiizkiid Please also refer to the Cisco upgrade guide: https://www.cisco.com/c/en/us/support/security/asa-5506-x-firepower-services/model.html#InstallandUpgradeGuides

KT Labs EP5 :: ACS to ISE Migration

In the video, I show you how you can leverage the ACS to ISE migration tool to migrate objects from ACS to ISE. As mentioned in the video, a few prerequisites need to be met, these are listed below. Prerequisites Direct connectivity to both the ACS and ISE platforms The correct version of ACS (see […]

Cisco ISE :: Adding Traditional Licenses

In this video, I demonstrate how to add traditional licenses to Cisco ISE. Note: This lab video uses Cisco ISE 2.3

DNS Sinkhole – What is it & Why do I need one?

In this post I will talk about DNS Sinkholing, what it is and how it can help you identify potentially infected machines. Useful in the fight against malware such as viruses, Ransomware and Crypto Jacking! What is DNS? Domain Name System – in very basic terms, the internet (and local networks) are all routed by […]

FortiGate :: HA Routed Failover w/ Session Failover

A recent requirement that came up was for there to be a redundant pair of firewalls, which allowed for session failover, configuration synchronisation and also maintain different external IPs and seperate BGP peering. A niche request, but something that was supported with FortiGates. Below details some configuration examples to achieve this. Config and Session Sync […]
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