Set Up IPSec Site to Site VPN Between Fortigate 60D (1) – Route-Based VPNs
IPSec Site to Site VPN Configuration Series: Set Up IPSec Site to Site VPN Between Fortigate 60D (1) – Route-Based VPNs Set Up IPSec Site to Site VPN Between Fortigate…
Troubleshooting Java HTTPS Security Warning Message
One of our Internal Website is always having a Security Warning message when using Internet Explorer https to it, but this message is not showing when using Google Chrome. Symptoms:…
Vulnerability Mitigation – Plaintext Management Interfaces Accessible On Cisco Device
Recently, during an Qualys external Scanning, there is a couple of Vulnerability found which is relate to Plaintext Management Interface. That is because of Telnet port 2002, 9002 is opened…
Free Forticloud Service for FortiGate and FortiWiFi
FortiCloud is a Cloud-based services for FortiGate and FortiWiFi products from Fortinet company. It is free for charge for at most 1GB data storage. It is quite interesting especially the…
Linux Service Configuration – NTP
As a network guy, you will work with NTP (Network Time Protocol) lots for your network devices. From Wikipedia, the explanation regarding NTP is: “The protocol is usually described in…
How to uninstall a CheckPoint Hotfix after a failed installation
There are always bad days during your life. The only thing we could do is to face it and find the solution. Just like today, it supposed to be a…
Troubleshooting Symantec Verisign SSL Certificates Issue on PKI VPN Tunnel between Juniper SRX Firewalls (Cont.)
PKI based IPSec Site to Site VPN becomes more and more populous. I had a previous post “Set up PKI IPSec VPN with Verisign SSL Certificates between Juniper SRX Firewalls”…
Bridge Your Home Routers to Extend Your Wireless Network
Not sure how many home users are experiencing wireless router coverage issue. Your wireless home router is set at living room, but at the certain location of your home, the…
Excel Formula: Search a Column of Strings to Match Another Column
Once a while, I have to work on Excel sheet manually. Today I have to search exported hundreds of ip addresses in a pre-defined excel spreadsheet to see if there…
Using PRTG SNMPv3 Monitoring Juniper SRX 240H Alarm andTemperature
One of our SRX240H is having temperature problem. Whenever the temperature reached 50 Celsius degree, system alarm will be on. Alarm email should be sent out when temperature reached threshold…
A Quick Test to Check Point Capsule Cloud Service
Not sure how many Checkpoint customers are using this service, but it is quite attractive when I heard about it. It will help your remote users connect with your global…
Error :%CERM-4-TX_BW_LIMIT: Maximum Tx Bandwidth limit of 85000 Kbps reached for Crypto functionality with securityk9 technology package license
This error message is coming in the one of our router’s log constantly. 081062: Feb 18 09:24:08.621 EST: %CERM-4-TX_BW_LIMIT: Maximum Tx Bandwidth limit of 85000 Kbps reached for Crypto functionality…