Author: Puneet Verma

Now getting high speed on WLAN

Puneet Verma Computer Networks 0 Comment

Accessing FTP server data on LAN network is quite fast when using TCP/IP connection but as i shifted from my wired connection to wireless one, i got afraid of the data rate i was getting while making uploads and downloads from  and to my FTP server located on LAN network. The data speed got reduced and again i was looking for the solution and found WAP-3205 wireless access point which provided me extended wireless speed and coverage. I was getting high speed using wireless usb adaptor on my laptop and again was free to enjoy high data speed by sitting anywhere on my WLAN. I felt that the wireless coverage area has also been extended after using this solution.

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Now i can get into my office LAN virtually

Puneet Verma Computer Networks 0 Comment

I was in a need to get into my office LAN to access my Intranet File Server from my home. Means what i needed was a virtual pc in my office LAN. So i talked to my engineer and he setup SSL VPN account for me on the HO Firewall( ZyWALL ) or gateway. I asked him if i needed to install any SSL client on my laptop but he told me that SSL VPN connection would start from the desktop browser and JAVA applet on my browser will act as a client. He gave me SSL username and password with a link and i entered my username and password and now i got a message on screen displaying assigned LAN ip address setting provided by my gateway DHCP server. I was now one of the LAN users at my HO but actually sitting at my home. He told me that i can also make RDP or remote desktop and VNC server connections through SSL VPN as a client.  What a virtual world ? Great…

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More stronger content filtering for Safe Browsing

Puneet Verma Computer Networks 0 Comment

I came to know that ZyXEL’s content filtering service  is using the databases of bluecoat and ZSB (ZyXEL Safe Browsing) servers to send webpages to users like me. Now you must be thinking about content filtering. Lets make it simple , restricting employees to access some unsafe/Adult websites. There are three options when, i am requesting a webpage on my desktop.Either the page is passed, or blocked or passed to me with a warning by the firewall situated at my server room. The priority would be for blocking. So if the webpage which i have typed in browser is unsafe, i get warning message. If it is managed(Like any adult site) , then it is blocked. If the page is safe then i can browse it. When i request any webpage from the website server on internet, the page url first reaches to the USG box and then usg sends this url to Bluecoat and ZSB servers and get results. The results are then sent to the tables A and Table B inside the USG box and decision is made by USG Box. The default decision of USG (Unified Security Gateway) if the CF servers are unavailable would be to “pass the webpage to user”.  Let make it more simple, unsafe webpages can harm my computer and managed webpages can harm my mind. Great solution again …

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