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Installing and Configuring OpenVPN Server on CentOS using Webmin (part 4)

September 4th, 2011 | 249 Comments | Posted in Linux, network, Security



Configuring pfSense as OpenVPN client for site-to-site VPN

pfsense

In this section, we will discuss the client side of OpenVPN site-to-site configuration. At the client side, I use pfSense as the firewall, webproxy, and VPN gateway to connect to the HO through site-to-site VPN with OpenVPN server.

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Installing and Configuring OpenVPN Server on CentOS using Webmin (part 3)

July 17th, 2011 | 33,249 Comments | Posted in Linux, Security, Windows

OpenVPN Configuration
Here are the steps to configure OpenVPN using Webmin:

1. Create Certification Authority
To create the Certification Authority, go to Server -> OpenVPN + CA, click on Certification Authority List. More »

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Installing and Configuring OpenVPN Server on CentOS using Webmin (part 2)

July 12th, 2011 | 46 Comments | Posted in Linux, Security, Windows

Installing OpenVPN Server
In my configuration, I use CentOS 5.3 with 1 CPU 2.8 GHz, 2 GB RAM, 40 GB HD, and one NIC as the server.  To make it easier when installing OpenVPN, I use RPMForge repository. First I need to download rpmforge release package then install it. More »

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Installing and Configuring OpenVPN Server on CentOS using Webmin (part 1)

July 12th, 2011 | 53 Comments | Posted in Linux, Security, Windows

openvpnOur company have several branches and mobile users that need to access data in the head office. I need to provide VPN access for them. I want a solution for site-to-site VPN that is cost effective, stable, easy to use and configure with Graphical User Interface. After exploring the documentation in the net, I find the solution for my need. I use OpenVPN with Webmin running on CentOS server in the head office side. As for the branches side, I choose pfSense. And for the mobile users, I use OpenVPN client for Windows. More »

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Got my CSSA certification

November 25th, 2009 | 93 Comments | Posted in Certification, Security

sonicwall-cssaLast week, I take the Sonicwall certification and successfully passed the exam at the first take.  Now I am a Certified SonicWALL Security Administrator (CSSA) for Network Security Essentials.
This certification will be my third certification in security field besides MCSE Security and Certified Ethical Hacker.  For those who would like to take this certification, here are some info about it:
– question: 50
– time: 120 minutes
– passing score : 75%

Tips:  some working knowledge of Sonicwall firewall product, and all materials in the class room  are more than enough for the preparation to take the exam.

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GoDaddy Phising Email

July 20th, 2009 | 94 Comments | Posted in Blogging, Domain Name, Security, Web hosting

log_hdr_gdrI received an email from Go Daddy with a subject “GoDaddy.com Account Security Alert”.   It informed me that 3 different IP addresses logging into my GoDaddy account in the past 24 hours.  I should do as the email instructed otherwise my account will be locked.

Here is the email: More »

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