Category Archives: Cisco

19 February, 2019

Duo Security 2FA with Fortigate Firewalls

Configure Duo Security 2FA with Fortigate firewalls using a CentOS proxy agent. Step-by-step guide for RADIUS setup and FortiGate policy integration.

1 September, 2018

IKEv2 Dynamic Remote Fortigate to Head-In ASA

Configure Fortigate to ASA IKEv2 dynamic remote tunnels. Get the CLI commands for FortiGate Phase I/II and Cisco ASA crypto maps for secure site-to-site...

22 May, 2018

Remote Access VPN with ASA as a client

Configure a Fortigate ASA site-to-site VPN with dynamic IPs. This guide shows how to set up IKEv1 tunnels, NAT exemptions, and routing for remote...

27 February, 2018

ASA ‘HA’ configuration explained

Configure Cisco ASA failover with active and standby roles. Learn to set up sync interfaces, verify state replication, and troubleshoot split brain issues.

23 January, 2018

SIP Application Layer Gateway – Cisco and Fortinet

Learn how to disable SIP ALG on Fortinet and Cisco firewalls. Use packet captures to diagnose NAT issues and stop SIP inspection from breaking...

1 December, 2017

IKEv1 & IKEv2

Compare IKEv1 vs IKEv2 differences. Learn about Main vs Aggressive mode, tunnel vs transport modes, and how to configure FortiGate IPSec tunnels securely.

24 May, 2017

HSRP Using SLA with Boolean Tracks

Configure HSRP with SLA boolean tracks to failover only when all probes fail. Get the exact Cisco IOS commands for reliable ISP redundancy.

24 January, 2017

Persistent VPN Profiles in AnyConnect

Configure Cisco AnyConnect persistent profiles using an XML file. Save your favorite connections and find profile directory paths for Windows, macOS, and Linux.

22 January, 2017

Uninstalling Web Security from AnyConnect for Mac

Learn how to disable Web Security in Cisco AnyConnect on macOS. Stop the annoying popups and clean up your connection settings with this quick...

1 November, 2016

Creating a Certificate Signing Request on the ASA

Generate an ASA Certificate Signing Request using TrustPoint. Configure key pairs, set DN attributes, and export the PEM file for your CA server.

25 October, 2016

Cisco ACS 5.8 Automated Backups

Configure Cisco ACS 5.8 automated backups to SFTP. Set up software repositories, handle key imports, and fix common encryption password errors.

9 October, 2016

IPSec VPN on Cisco ASA using CLI

Configure a Cisco ASA IPSec VPN using CLI commands. Define Phase I and Phase II policies, crypto maps, and transform sets for secure site-to-site...

29 September, 2016

Packet Capture on Cisco ASA Firewall

Configure Cisco ASA packet capture via CLI or ASDM. Learn to use one-line commands, access-lists, and decode options to troubleshoot firewall traffic effectively.

29 June, 2016

Context-Based Access Control (CBAC)

Learn to configure Cisco CBAC with reflexive ACLs and TCP intercept. Get the exact CLI commands needed for CCIE v4 study and legacy router...