My Network Security Journal

Sharing my learning and personal experience in IT Network Security.

Saturday, September 2, 2023

Troubleshoot Cisco Firepower ASA 2100 PSU via FXOS

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I had to troubleshoot a power issue and failover in a High Availability (HA) pair of Cisco FPR 2120 in ASA Appliance mode. ciscoasa/ sec /ac...
Friday, August 4, 2023

Configure FortiGate High Availability (HA) Active-Passive

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Here's a link in configuring FortiGate High Availability (HA) in Active-Passive setup. You can view the FortiGate HA mode under System ...
Friday, July 14, 2023

FortiGate Firewall Firmware Upgrade

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Here's a link regarding the firmware upgrade of a standalone FortiGate firewall using the web GUI. To check the current FortiOS firmw...
Saturday, June 3, 2023

Cisco Firepower 1120 ASA Image and FXOS

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You won't find the location of the ASA image in a Firepower 1120. You can only view it using the FXOS CLI . The Firepower eXtensible Ope...
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John Lloyd Lagura
I'm John Lloyd Lagura, a passionate Network Engineer, tech blogger and a lifelong learner. I specialize in routing, switching, security, wireless and cloud technologies. I currently hold CompTIA Network+, Security+, ITIL Foundation, Cisco CCNP Security, CCNP Enterprise, CCNA Cyber Ops, Juniper JNCIA-Junos, JNCIA-SEC, JNCIA-Design, Fortinet Network Security Professional (NSE4).
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