May 24, 2018

Recent Posts

Common SIEM Problems

As there’s been a lot of SIEM hype over the last few years, I’d thought I’d go over a few common problems I’ve come across whilst deploying new, and fixing existing SIEM deployments. This won’t be a complete list, but just some of the most common. I may update this post from time to time. […]

Crypto Jacking – The New Threat

In this post I will discuss the new threat of Crypto Jacking – what it is, where it came from and why you should be on the look out. What is Crypto Jacking? Crypto Jacking is where malicious code is installed on your infrastructure/Computer with the aim of using your processing power to mine Crypto […]

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 […]

Cisco :: Upgrade or Reimage Firepower 8300 Sensors

Recently I was tasked with upgrading some new Firepower 3D8350 sensors which would later be stacked into a 3D8360. These devices were shipped with software version 5.4.0.1 and I had a customer requirement to upgrade the sensors to version 6.2. I would normally stack these devices and upgrade them using the FMC, however, I didn’t […]

KT Labs EP4 :: Automation using Ansible for Network Engineers

In this Vlog, I discuss how Ansible can be leveraged by engineers to automate configurations and save time. Ansible files for download: https://blog.synack.co.uk/download/kt-labs-ep4-ansible-files/ More about setting up Ansible: https://wp.me/p8lfsH-mn Ansible Documentation: http://docs.ansible.com/   Getting started with automation using ansible from Kelvin Charles    

Cisco :: Add Licenses to Cisco IOS Switches

In this video, I run through the configurations required to add and activate licenses on your Cisco IOS switch. A Cisco Catalyst 3750-x switch with IOS 15.x is used for this demonstration along with a SolarWinds TFTP server.  

KT Labs EP3 :: How to Upgrade the IOS on a Cisco Switch

In this video, I show you how to upgrade Cisco IOS switches. In this demonstration, a Cisco Catalyst 3750-x switch is used along with a Solarwinds TFTP server.    

Cisco :: 3750-x Switch Password Recovery

A quick video on how to password recover a Cisco 3750-x switch and similar models. Note: All device configurations will be lost.  

Cisco :: ASA to FTD Migration Tool

  In this article, I will demonstrate how to leverage the Firepower Management Center (FMC) to covert Adaptive Security Appliance (ASA) configurations to Firepower Threat Defence (FTD) configurations.  Using the ASA to FTD migration tool can save ample amounts of time, especially if you wish to carry over ASA ACLs and NAT rules. Before I get […]
Page 1 of 1112345 » 10...Last »

Subscribe to SYNACK via Email