Secure Your AWS Resources with a Network Firewall
Securing your AWS resources and controlling network traffic is crucial for maintaining the integrity and reliability of your applications. AWS Network Firewall provides a robust…
Network Security
Protect Your Server Against XSS, DDOS, & SQL Injection with AWS WAF
AWS Web Application Firewall (WAF) is a powerful security service offered by Amazon Web Services (AWS) that helps protect your web applications from various online…
Configuring uRPF on Cisco Routers & Firewalls
uRPF is a security feature present in Cisco ISR routers running IOS-XR, ASA firewalls, and Secure Firewall Threat Defense (FTD) firewalls. It verifies the source…
Disable Weak SSH and SSL Ciphers on Cisco IOS
It amazes me how many network vendors still release software with weak ciphers enabled. Cisco is no exception to this. Any time you enable remote…
How to Replace Failed ASA in Active/Standby HA Setup
Looking for the quick and clean way of replacing a failed Cisco ASA in an active/standby HA pair without breaking production traffic? You’re in the…
Enable ICMP Inspection on Cisco ASA – Make Allowing Ping Easier
So you have your shiny new (or new to you) Cisco ASA setup just the way you like it. You’ve allowed only what is needed…
Convert ASA 5516-X back to ASA from FTD
If you received a ASA 5500-X series firewall that is running FTD instead of ASA and you want to roll it back to ASA, (or…
Make Your ASA Show Up in a Traceroute – Enable TTL Decrement
If you’ve been blessed, or cursed, with working in an environment with several network segments separated by routers and Cisco ASA firewalls you know that…
How to Configure Cisco WLC 8.5 to use TACACS+ with Cisco ISE 2.4
How to Configure Cisco WLC to use TACACS+ with Cisco ISE 2.4 If you’ve followed along with my other Cisco ISE (Identity Services Engine) 2.4…
Configure Cisco Prime TACACS+ Authentication w/ ISE 2.4
If you’re using Cisco Identity Services Engine (ISE) 2.4 for your TACACS+ Authentication and you use Cisco Prime then you’ll be happy to know integrating…
New Style TACACS+ Configuration on Cisco IOS
If you’ve configured TACACS+ on a Cisco IOS device within the last few years you’ve probably ran into this message: “This cli will be deprecated…