I worked for an IT consulting company before. The headquater of the company locates in Denver. One of our clients is in Chicago. The project for that client will be done 50% by the Denver office and the other 50% by the oversea development center. According to the client’s security policy, only American IP address … Continue reading Using Site to Site VPN As Proxy
Author: Jackie Chen
MTU May Impact VPN Connection Performance
Have you ever experienced that the site2site VPN connection performance is poor despite the Internet connection between the two sides is good and both equipment works properly? I met this situation once. And it turned out to be caused by the settings of MTU (Maximum Transfer Unit). The default MTU of Ethernet is 1,500 Bytes. … Continue reading MTU May Impact VPN Connection Performance
Firefox 4.0
As a fan of Firefox, I have been following it for 6, 7 years. A window poped up this morning showing the Firefox 4.0 is available now after I lauched the Firefox. With no doubt, I upgraded my Firefox to 4.0 right away. I simply poked around and found the obvious improvements – faster speed … Continue reading Firefox 4.0
Batch Script: Windows AD Migration
I worked on a Windows domain migration project several months ago. The P company acquired the B company, and request to migrate all former B company’s employees’ desktops and laptops to P company’s AD domain. Firstly, I created all new AD accounts for B company’s employees in P company’s AD. Then I wrote the following … Continue reading Batch Script: Windows AD Migration
VOIP Softphone Client
I used to take X-lite as my VOIP softphone client on my Windows 7 machine. Personally speaking, it is just OK. Someone recommended Express Talk VOIP softphone to me couple weeks ago, and I have been using it since then. I think it is much better than X-lite in terms of UI and stability. With … Continue reading VOIP Softphone Client