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How to Overcome the Dynamic IP Problem
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If you want to set up a Webcam, or any other type of online service that you want people to be able reach over the Internet, its relatively easy if
you have a Fixed IP address.
A Fixed IP address is a long string of numbers that denotes exactly where your Internet connection is, and this number does not change. It will
look something like this: 85.69.127.303.
However most ISP's (Information Service Providers) dont provide a static IP as standard unless you pay more money. What they provide is a
Dynamic one which could alter at any time, and certainly each time you switch off your router or modem then switch it back on it will have
changed. This makes life difficult...........imagine if your postal address kept changing.......how would people know how to reach you?
Well there is another solution rather than paying a monthly fee for a static IP. Using a FREE DNS service (Dynamic Name Server) such as
dyndns.com is the answer. With this you can assign a name to your Internet connection instead of a number. This is also usefull as names are
easier to remember than long numbers. When your website visitors or you personally want to connect to your camera the name is used instead
of the number.
BUT WAIT....What happens if the number changes? Wont the name then be pointing to the wrong place? Well it would but there are two ways
to ensure its always right.
The best way is to program your router to do it all for you. Nearly all modern routers have a DNS section in their set up and those that do are
99.999 percent sure to have dyndns.com as the first - if not only provider. I say 99.999 percent as i have personally never once seen one that
does not. This makes life very easy as all you do is first set up your free account with dyndns.com then go into the routers configuration
settings, tick the box for dyndns.com. Then enter your account information and save. Now every time that the router detects an IP change it
automatically updates your chosen name with the new IP address. So your name always works.....Great.
If your router does not have this feature then it really is a good idea to change it for one that does. However if you dont want to change it and you
have a PC which is on most of the time then you can download a free DUC (Dynamic Update Client) which is a very small program that runs on
your PC all the time and detects Internet IP changes and updates the name for you. This is fine if you have a PC on all the time but if you are
planning to use IP cameras with no PC on the site then the router method is best.
Of course you can also update the name yourself manually if you need to but this ideally you set up your router to do it all for you so you never
have to worry about it again. Just go on holiday knowing that the cameras will always be available on your chosen DNS name.
If your planning on setting up a lot of cameras then your best off with the basic chargeable account which is very cheap and gives you lots of
separate hosts for your different site locations. But if your just setting up one for your house or for work then go for the trial option which gives
you 1 free DNS host when you cancel the trial which you can keep just for taking the trial.
Some ISP's charge from £5.00 to £10.00 per month extra for a static IP so it really is worth taking a trial and ending up with a FREE DNS name
to replace your Dynamic IP and keep your cameras online permanently with no fuss.
you have a Fixed IP address.
A Fixed IP address is a long string of numbers that denotes exactly where your Internet connection is, and this number does not change. It will
look something like this: 85.69.127.303.
However most ISP's (Information Service Providers) dont provide a static IP as standard unless you pay more money. What they provide is a
Dynamic one which could alter at any time, and certainly each time you switch off your router or modem then switch it back on it will have
changed. This makes life difficult...........imagine if your postal address kept changing.......how would people know how to reach you?
Well there is another solution rather than paying a monthly fee for a static IP. Using a FREE DNS service (Dynamic Name Server) such as
dyndns.com is the answer. With this you can assign a name to your Internet connection instead of a number. This is also usefull as names are
easier to remember than long numbers. When your website visitors or you personally want to connect to your camera the name is used instead
of the number.
BUT WAIT....What happens if the number changes? Wont the name then be pointing to the wrong place? Well it would but there are two ways
to ensure its always right.
The best way is to program your router to do it all for you. Nearly all modern routers have a DNS section in their set up and those that do are
99.999 percent sure to have dyndns.com as the first - if not only provider. I say 99.999 percent as i have personally never once seen one that
does not. This makes life very easy as all you do is first set up your free account with dyndns.com then go into the routers configuration
settings, tick the box for dyndns.com. Then enter your account information and save. Now every time that the router detects an IP change it
automatically updates your chosen name with the new IP address. So your name always works.....Great.
If your router does not have this feature then it really is a good idea to change it for one that does. However if you dont want to change it and you
have a PC which is on most of the time then you can download a free DUC (Dynamic Update Client) which is a very small program that runs on
your PC all the time and detects Internet IP changes and updates the name for you. This is fine if you have a PC on all the time but if you are
planning to use IP cameras with no PC on the site then the router method is best.
Of course you can also update the name yourself manually if you need to but this ideally you set up your router to do it all for you so you never
have to worry about it again. Just go on holiday knowing that the cameras will always be available on your chosen DNS name.
If your planning on setting up a lot of cameras then your best off with the basic chargeable account which is very cheap and gives you lots of
separate hosts for your different site locations. But if your just setting up one for your house or for work then go for the trial option which gives
you 1 free DNS host when you cancel the trial which you can keep just for taking the trial.
Some ISP's charge from £5.00 to £10.00 per month extra for a static IP so it really is worth taking a trial and ending up with a FREE DNS name
to replace your Dynamic IP and keep your cameras online permanently with no fuss.
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