My Network Security Journal
Sharing my learning and personal experience in IT Network Security.
Wednesday, January 8, 2025
FortiGate Direct Firmware Upgrade
›
You can "safely" upgrade the FortiOS directly to the target firmware code if it's brand new and since it still has a default c...
Friday, December 6, 2024
Troubleshoot FortiGuard Server Connectivity
›
Here's a Fortinet link in troubleshooting FortiGuard server connectivity over the Internet. I was configuring a new FortiGate firewall ...
Sunday, November 10, 2024
Create a Fortinet Support Ticket
›
Here's a Fortinet link for device hardening and best practice in a FortiGate firewall. To create a new Fortinet support ticket, go to t...
Saturday, October 5, 2024
Cisco GRE Tunnel Keepalive
›
This Cisco link covers the GRE Tunnel and how a keepalive works. I got a GRE over IPSec VPN configured between Singapore and London. The GR...
Friday, September 6, 2024
Cisco ASA Firewall SNMP OID
›
There's a "hidden" Cisco ASA CLI command in order to retrieve the SNMP MIB OID info without performing an SNMP walk from a rem...
Friday, August 2, 2024
Cisco Firepower FX-OS show tech-support
›
We've encountered an outage in our Cisco FPR 2100 High Availability (HA) pair running ASA OS. The Primary ASA firewall crashed or auto r...
Friday, July 5, 2024
Changing a Cisco Switchport Mode From Access to Trunk
›
I had to reconfigure a Cisco switchport mode from access to a trunk in order to run multiple VLANs in a Cisco ASA firewall interface. I conf...
‹
›
Home
View web version