Why do I need to maintain a firewall subscription?
You might think it strange to start an article about firewall subscriptions by first talking about cars, but I promise this is perfectly relevant! If
Networking
ERSPAN to Wireshark — and How to Fix if Not Working
Packet Capture on a Remote Cisco Device Typically when I need to do a packet capture on a remote Cisco IOS/IOS-XE device, I use RSPAN
Connectivity for Remote COVID-19 Vaccination Clinics
Portable Internet Service One of our healthcare clients needed a solution for running COVID-19 vaccination clinics in a parking lot or pavilion. They wanted to
FortiGate IPS is Blocking Everything
This afternoon we received several reports all at once that the internet was down. Interestingly we were able to reach client locations, all SNMP monitoring
Restart a single context on an ASA with virtual instances
The Cisco ASA firewall can run as virtual host for multiple virtual ASA’s known as contexts. We recently ran into an issue where a memory leak made
Ruckus AP not connecting to Virtual SmartZone
Here are a list of things to troubleshoot when a Ruckus AP is not registering to a Virtual SmartZone (VSZ) cloud controller. Ensure that the
Barracuda ADC Load Balancer – How to show client IPs and not the proxy IP address – Part 2
In my first post on showing the client IP addresses through a Barracuda ADC load balancer, I showed how to get Direct Server Return to work for
Barracuda ADC Load Balancer – How to show client IPs and not the proxy IP address – Part 1
In order to see the client origination IP address on the real back-end servers when a Barracuda ADC load balancer is used there are two
NetFlow setup for 3750x with C3KX-SM-10G
The Cisco 3750x switch does not support NetFlow natively, but the C3KX-SM-10G module has ASICs that support NetFlow. With the C3KX-SM-10G module, NetFlow can only
Barracuda ADC Load Balancer with OWA – Login loop
We had a problem with Barracuda’s ADC load balancer and Outlook Web App for Exchange 2013. The user would get to the OWA login screen
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