Occaisionally, situations arise where it becomes necessary to change the default firewall ports utilized for Remote Access for the DVS DVR System. Such situations include:
- Multiple DVR’s on the same network/Internet connection
- Problems with Internet Service Providers (port blocking, traffic shaping, etc)
||PTZ Image Control
Changing the Default Ports:
- First, it is necessary to determine what ports are available for use by the DVR System. This entails taking stock of other devices you may already have on the network that require access from the outside world. Such devices may include Point-of-Sale systems, other DVR’s, and other Web, Email, and Database servers, etc.
- Next, decide what ports you intend to use for the DVR. It’s a good idea to write these down for later reference.
- Determine the network IP address of the DVR itself. If you have not already done so, it is important to ensure that this IP Address is manually or statically configured. That is to say, the IP Address is permanently assigned to that DVR, and can never change (except when you choose to change it). Write this down as well.
- Next, right-click on the DirectWeb icon in the Windows Tasktray (the area beside the clock) and click “Setup”.
- The Direct Web configuration screen will be presented, where you will change the default “Web” port. This is the port that drives the interface/accessibility to the DVR via Internet Explorer. Specify a port here that will be easy to remember. When you access your DVR remotely using Internet Explorer, it will be necessary to specify the port as part of the URL (ex: http://dvr.mydomain.com:81). Suggested alternate ports: 81, 8080.
- Next, you must configure the data/streaming ports of the DVR. To do this, you must run “Start” from the DVR software folder located in “C:\Program Files”. You will be asked to log in with your administrator username and password. On the following screen, you will find an “Advanced” tab. Select the “Advanced” tab, and you will be presented with a series of numeric entry field marked 1st – 5th. Each field will be populated with a default port (see list above). Take note of each field, its original/default value, and the new value entered. You will need this information again later. When finished, click “Ok” to save changes and exit the program. WARNING: DO NOT ALTER ANY OTHER VALUES IN THIS CONFIGURATION AREA. A MISTAKE IN THIS CONFIGURATION UTILITY COULD LEAD TO DISASTEROUS CONSEQUENCES!
- After reconfiguring the all the firewall ports in the above steps, you will need to “notify” the web server component of the alterations you just made. Failure to complete this step will render remote access via Internet Explorer inoperable! To do this, go to “My Computer” and navigate to the folder called “Web” located inside the DVR software folder in “C:\Program Files”. Find the file called “index.html” and open it with Notepad or some other text editor (users of older software versions may need to edit “void.html” instead). Locate the lines in the code that look like this:<PARAM NAME=”GeneralPort” VALUE=”3000″>
There will be 5 such lines, grouped together, one corresponding to each of the 5 ports you just specified. Find the old port number you wrote down, and replace it with the corresponding new port number you specified a moment ago.
- This completes the process of changing the default ports for your DVR’s remote access functionality. Please note, when configuring the DVS Net Client program, you will need to specify the new ports under “Site Setup”.
Remember to forward the new firewall ports from any router or firewall appliance that stands between the DVR and the Internet.
Applies to the following products:
DVS Software Compression Series DVR Cards
DVS Hardware Compression Series
Applies to the following operating systems:
- Microsoft Windows XP Home
- Micrisoft Windows XP Professional
- Microsoft Windows Vista Business
- Microsoft Windows Vista Ultimate