How Do I Update The Root Hints Data File for BIND Named Server?
My local nameserver root zone file is outdated. It has no information about IPv6 and a root server recently changed its IP address. How do I update my root hints…
FortiGate Command Line Shortcuts
Fortigate offers some helpful features on the command line to position the cursor. up arrow, CTRL-P Previous command down arrow, CTRL+N Next command CTRL-A Beginning of line CTRL-E End of…
diag sys top – List processes on a FortiGate
Fortigate got some very good diagnostics on there firewalls. There is a hole branch of the command tree, that starts with diagnose or short diag One of the commands often…
Fortigate Management Interface in HA Mode
If you create a Fortigate HA Cluster, you got an option "Reserve Management Port for Cluster Member" which you can activate. If active you can select an interface for this…
Upload Firmware from a Mac using Xmodem
If you have to upload firmware to a router or a switch with xmodem, get the package ⇒lrzsz-0.12.20.tar.gz. First, install Xcode from the App Store. Then compile the package and…
Adding a DKIM record to your DNS
Adding a DKIM record to your DNS is quite simple. First, your create a key pair with openssl: openssl genrsa -out private.key 1024 openssl rsa -in private.key -pubout -out public.key…