My Network Security Journal
Sharing my learning and personal experience in IT Network Security.
Saturday, June 20, 2026
FortiGate show full-configuration (terminal length 0)
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You'll need to configure set output standard in order to view the FortiGate's full configuration without pause. This is similar to ...
Sunday, May 3, 2026
FortiGate Restore Configuration Revision
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Here's a Fortinet link on how to save and restore config using revisions in a FortiGate firewall. In FGT web GUI, click Profile name (...
Saturday, April 11, 2026
FortiGate Manual HA Failover (Reset Uptime) Using CLI
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Here's a link in troubleshooting FortiGate HA. In my opinion, it's better to reset the FortiGate device uptime to manually restore ...
Sunday, March 15, 2026
Cisco Firepower SNMP OID Bug (CSCvd33367)
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We've been trying to poll our Cisco Firepower 2100 (ASA) and Cisco Secure 3100 (ASA) to monitor the device power supply, fan and tempera...
Sunday, February 1, 2026
Check the FortiGate NAT Session Count Using Filters
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Here's a quick way to check the FortiGate NAT session count and filter the NAT IP pool via the get sys session list | grep -c CLI comma...
Saturday, January 3, 2026
FortiGate 1800F and How to Check Transceiver Serial Number
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Here's a Fortinet link for the FortiGate 1800F series data sheet. The FG-1800F front chassis has 1x RJ45 / USB CONSOLE port, 2x GigE RJ...
Friday, December 5, 2025
Configure Cisco SSH Diffie Hellman Size
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Here's a Cisco link to improve SSH protocol in a Cisco device. One of our Cisco switch was flagged for using a weak SSH protocol. I har...
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