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Category: Network
FTP Active Mode vs. Passive Mode
Continue with my previous post. Now my friend should understand why the solution I gave to him fixed the FTP issue. I illustrated how FTP protocal works in both active and passive mode as below. The biggest difference is which side initiates the data transfer session: In active mode, FTP server initiates the data transfer … Continue reading FTP Active Mode vs. Passive Mode
Passive Mode Settings In FileZilla
My friend called me the other day and asked me to help him troubleshoot the FTP server which runs in his office LAN. The problem is that the outside FTP user is able to connect the FTP server and pass the authentication, but just can not download the files from the server. OK. It sounds … Continue reading Passive Mode Settings In FileZilla
Cisco UCS Networking Videos
I came across some really nice videos talking about the Cisco UCS Networking when surfing on the Internet. Here is the link: http://bradhedlund.com/2011/03/08/cisco-ucs-networking-videos-in-hd-updated-improved/
Please 100% Match the Internal IP Address
This topic poped up in my mind when I was writing the article ‘A Good Document Helps You Build Site2Site VPN’. Looking back in my personal VPN toubleshooting history, the case I am going to talk is listed on top of the reasons that cause site to site VPN not to work. The most common … Continue reading Please 100% Match the Internal IP Address