If your router does not allow NAT loopback your only option is to use your external address () to access your IP camera when not at home, then use the local address (.x) when you're at home. You can, try a few methods to circumvent NAT loopback: If your router doesn’t support it, there’s not much you can do. If your router supports NAT loopback then great! Whenever you type in the address you’ll get through to your camera. Some will just not display anything while others are smart enough to recognize what you’re trying to do and will forward you to the right place. Some routers will display their own configuration page when such a request is made. One of the biggest problems with NAT loopback is that it’s often not obvious that everything is set up correctly. Instead of routing the traffic externally, NAT loopback aims to route the traffic via your local network, saving internet bandwidth and improving connection speeds. NAT loopback happens when a device on your local network tries to access a device on that network via its public IP address. When accessing remotely you type in the external IP address of the router to access your camera since the internal one will never work externally. Your router has two IP addresses: an internal one which is accessible only from your home network (for example 192.168.0.1) and one which is accessible from the internet. Your camera and computer are most likely connected to a router (either wired up directly or via a wireless connection), which is then itself connected to the internet through your Internet Service Provider (ISP). If your router supports NAT loopback you won't see this as a problem since your camera will be accessible from all locations with the same address, but since you're reading this looking for a fix to why your IP camera is not accessible, your router probably does not support it. This loop is called NAT loopback and some routers allow it while others don't. Now, either the router then routes this information back to the correct internal location (such as your IP camera) or it drops the incoming packets of data in a loop. However, if that external address (such as ) actually points back to your home router this will be recognized and the information sent out is then passed back to your router. Whenever a different address is requested (such as an external IP address like 88.20.20.20 or a web address like ) your router realises that this is not meant for your internal network and sends it out onto the internet. For example, if you typed 192.168.0.2 into the browser, your network would understand that you’re trying to access your camera and send the information there. Your local network only understands .x addresses. This post tries to explain why it happens and what you can do to get around it. This quirk of router configuration often causes problems for new users and can be very frustrating. You may be experiencing what's called NAT loopback. You get home and use those very same details to access your camera and you get nothing, or worse, an error message. You’ve tested your setup when away from home and everything works well and as expected. Suppose you’ve set up an IP camera that you want to access from anywhere across the internet and have an external IP address or dynamic DNS address to use to access that camera.

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