(This video of Mr. Chen Aifeng's video tutorial, I highly recommend. It's about firewalls. This video is also very enlightening for those who are not getting started for a long time. If you are a network expert then don't waste any more time and download our video now. I have saved three videos of this kind of video, this is the second one (the first one has been posted), the first one is lt; classic perfect design enterprise solution gt;, the third one is lt; the end of the network Windows system security program gt;. Everyone cheers a lot, the third part below may also drop the download beans. This document includes the following attachments:
2_The principle of firewall technology.avi
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