Advanced Checkpoint Gaia CLI Commands (Tips and Tricks)
With my most populous post “Basic Checkpoint Gaia CLI Commands (Tips and Tricks)“, I would like to collect some more advanced troubleshooting commands used in my daily work into this…
Checkpoint Gateway SSH Connection Intermittenly Slow Issue – CONFD CPU High
When Gaia released at R75.40 on 2012, our Checkpoint firewalls have been adopted it right away with an upgrade. Since then we have upgraded to R77.10, R77.20 and recently planing…
Use Network Automation Tool Infoblox NetMRI Push Configuration to Multiple Network Devices
Infoblox NetMRI Appliance For those still do not know what is Infoblox NetMRI product, here is some simple introduction. Actually it can do more than what normal network administrators think.…
Cisco IOS Router Hardening Template
Here is the my router configuration template modified from Team Cymru’s. !Without service nagle on a Cisco router, each character in a Telnet session is a separate CPU interrupt. Hence,…
Cisco IOS Switch Hardening Template
Here is my template for access layer switches in my environment. Some of blue color words will need to replace with your specific information. Red words will be the explanation…
Raspberry Pi 2 Model B Basic Configuration Part 2
This is the second post regarding basic configuration of Raspberry Pi 2. Raspberry Pi 2 Model B Basic Configuration 1 Raspberry Pi 2 Model B Basic Configuration 2 1. Timezone…
Raspberry Pi 2 Model B Basic Configuration Part 1
The Raspberry Pi is a credit-card sized general purpose Linux computer designed and manufactured by the Raspberry Pi Foundation, a non-profit organization dedicated to making computers and programming instruction as…
SRX Load Rescue Configuration After Reboot
It did not happen often, but when it happened, you will need to know how to fix it. The rescue configuration is a previously committed, valid configuration. You must have…
Import Existing Juniper SRX Cluster into JunOS Space Security Director
This instruction is made to those new to JunOS Space and Security Director. The whole procedures are easy to understand with those screenshots and real example. This is also the…
JunOS Space Radius Authentication with Free Radius Server TekRADIUS
TekRADIUS is a RADIUS server for Windows with built-in DHCP server. TekRADIUS is tested on Microsoft Windows XP, Vista, Windows 7/8/10 and Windows 2003/2008/2012 server. TekRADIUS complies with RFC 2865…
Cisco 7600 Router Got Software Forced Crash During Booting
Symptoms: One of Cisco7606 Routers got a software crash during booting process. Here is output from console. System Bootstrap, Version 12.2(33r)SRD5, RELEASE SOFTWARE (fc1)Technical Support: http://www.cisco.com/techsupportCopyright (c) 2009 by cisco…
Check Point Error: Partial Overlapping Encryption Domains When Verifying or Installing Policy
Usually when your firewall policy is not configured properly, Checkpoint SmartDashboard will notify you with useful details when you verify or install it. But sometimes, those information will make you…