Monday, 25 October 2010

D-Link Wireless Internet Camera, Home Security, 802.11b, 11Mbps


Web-based Remote Access Using Any Java Enabled Web Browser

Integrated Web Server

802.11b Wireless or 10/100Mbps Fast Ethernet Connection

Bundled Software for Multi-Camera Monitoring and Management

Archive Streaming Video to Your Hard Drive



This review is from: D-Link Wireless Internet Camera, Home Security, 802.11b, 11MbpsI just bought this product and it's all what I expected. I just followed the quick installation guide, plugged in ethernet cable and the power, set the ip as recommended 192.168.0.20 on the camera and my wireless Netgear router and it works. I can view the camera immediately. But when I unplug the ethernet and into wireless mode, it didn't work. I ended up calling tech support and got a live support person in less than 5 minutes, he suggested I reboot(power down and up) my camera and router. The wireless mode now working. I tried to set the camera up behind the router according to the instruction on the manual from the CD provided, it didn't work. After playing around for 3 hours, I finally figured out that the default port 80 and 8481 don't work, you have to open up the second port 81 and 8482. I IPView software provided in the CD does not have motion sensor, you can download the latest version of IPView with motion sensor for the DLINK website, and it works very well. It can detect a slightest movement.PROS: price, good picture(can adjust brightness), motion sensor software(download latest IPView).CONS: no audio, can not pan view(must manually pan camera), no email picture option.

This review is from: D-Link Wireless Internet Camera, Home Security, 802.11b, 11MbpsThese are a new generation of "webcams". These cameras have a built in web server. They connect to your home net via ethernet. Management programs can display the images from the cameras on your computer screen.I recently examined a Hawking camera. Superficially, it seemed to have security, but there were only two official ways to get an image from the camera. One was by using a facility where the camera e-mailed you an image. This image was tagged as spam by my provider because it used the big5 character set, even though it contained no text. But the other way was to use a java applet which was automatically downloaded from the camera, the same way any applet would be loaded.This was the only image data displayed on the camera's web interface.I wanted to get a still image, so I traced the applet's data stream. The applet simply connected to a port on the camera and then presented four characters and a newline. The camera responded with a four byte header and a jpeg. I was able to use echo, sleep and netcat to pull jpegs out of the camera - but I did not have to present the password to pull jpegs out of the camera.The instructions that come with the camera tell you to open this port to the Internet via port forwarding from your firewall. You also open the camera's web port.If you do this, then a hacker can see that you have this camera and then they can look for other open ports, and if they find the camera port, they can easily pull jpegs out of it with no password.This is OK, though, since the camera is so incredibly bad that all that anyone will see is sort of a flesh shaped amorphous mass. I took this camera back to the store.There are two other products on the market. One is the D-Link DCS-900W, and the other is the Linksys Wireless G. Both are comparable to the Hawking and way better.The Linksys presents both sound and video as an MPEG4 stream. I know of no way to get still images from this camera (other than by having the camera e-mail you one). There is an active X control that allows you to view the video on a windows system, or, with the right codecs, you can use Media Player or Mplayer to view the stream. However, only a Windows user using Internet Explorer can access the camera through the web interfacr and see full motion video. Everyone else can go through multiple layers of frames to determe what the url is for the mpeg4 stream - then, that URL can be fed to a regular media player that can play (or record) an mpeg4 stream.The Linksys can be connected to a 10 or 100 wired ethernet, or to an 802.11b or 802.11g wireless net. It supports WEP. By default it is configured to run at a fixed address - but it can run on WEP. A unique feature is that it has a small LCD panel and the LCD panel displays the IP address that it uses. It can look for motion within the camera and send out alerts by e-mail if motion is detected (that is, no external program is required to deal with automated motion detection from this camera). All data is presented on the web interface, and basic authentication (userid and password) is demanded if the camera is set up to require it before the video stream, or any data other than the base screen is presented. There are two levels of users - those who can display the video stream and one user who can administer the box.I have not installed the Linksys management...




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