Why Smart Plugs don't require setting port forwarding on router and how to accomplish this with NodeMCU...
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Why Smart Plugs don't require setting port forwarding on router and how to accomplish this with NodeMCU (ESP8266)
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Why Smart Plugs don't require setting port forwarding on router and how to accomplish this with NodeMCU (ESP8266)
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I have a NodeMCU (ESP8266) board that I use to control some devices over the internet. To be able to access it I have to enable port forwarding on my router and set the port manually like in the image below:
But with Smart Plugs (that use a cloud based app) I don't have to set up anything on my router. I am only required to type my Wi-Fi password. So my question is how Smart Plugs are accessed over the router (why they don't need manual port forwarding setting), and how to apply this to my NodeMCU so I don't have to set port forwarding manually.
nodemcu
asked 2 hours ago
Slaven TojicSlaven Tojic
1084
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Slaven Tojic is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
I have a NodeMCU (ESP8266) board that I use to control some devices over the internet. To be able to access it I have to enable port forwarding on my router and set the port manually like in the image below:
But with Smart Plugs (that use a cloud based app) I don't have to set up anything on my router. I am only required to type my Wi-Fi password. So my question is how Smart Plugs are accessed over the router (why they don't need manual port forwarding setting), and how to apply this to my NodeMCU so I don't have to set port forwarding manually.
nodemcu
asked 2 hours ago
Slaven TojicSlaven Tojic
1084
New contributor
Slaven Tojic is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
I have a NodeMCU (ESP8266) board that I use to control some devices over the internet. To be able to access it I have to enable port forwarding on my router and set the port manually like in the image below:
But with Smart Plugs (that use a cloud based app) I don't have to set up anything on my router. I am only required to type my Wi-Fi password. So my question is how Smart Plugs are accessed over the router (why they don't need manual port forwarding setting), and how to apply this to my NodeMCU so I don't have to set port forwarding manually.
nodemcu
asked 2 hours ago
Slaven TojicSlaven Tojic
1084
New contributor
Slaven Tojic is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
I have a NodeMCU (ESP8266) board that I use to control some devices over the internet. To be able to access it I have to enable port forwarding on my router and set the port manually like in the image below:
But with Smart Plugs (that use a cloud based app) I don't have to set up anything on my router. I am only required to type my Wi-Fi password. So my question is how Smart Plugs are accessed over the router (why they don't need manual port forwarding setting), and how to apply this to my NodeMCU so I don't have to set port forwarding manually.
nodemcu
nodemcu
asked 2 hours ago
Slaven TojicSlaven Tojic
1084
New contributor
Slaven Tojic is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 2 hours ago
Slaven TojicSlaven Tojic
1084
New contributor
Slaven Tojic is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 2 hours ago
Slaven TojicSlaven Tojic
1084
New contributor
Slaven Tojic is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 2 hours ago
Slaven TojicSlaven Tojic
1084
asked 2 hours ago
Slaven TojicSlaven Tojic
1084
1084
New contributor
Slaven Tojic is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Slaven Tojic is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Slaven Tojic is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
add a comment |
1 Answer
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Port forwarding is required to allow a device outside your router to access a device inside a router that performs NAT (Network Address Translation).
When a NodeMCU is acting as a simple server to respond to requests, it is inside your network, and so the port-forwarding is required so that your phone or computer on the Outside can access it.
However, for the cloud-based "smart" devices, it is different. The smart device opens a connection from itself to a server (the cloud) outside your network. In this case, the router understands that a new two-way connection is created between the cloud server and your smart device.
The only communication to your smart device is from the cloud server to the smart device. If you have an app on your mobile device or computer, that app or website only accesses the cloud server, when then passes the instruction on to your smart device. Reverse direction for status info from the smart device to your app, etc.
These smart devices rely on the infrastructure of their creators to continue to work. There are no LAN-to-LAN connections from the client to the device. Everything goes through the Internet to the remote cloud server, and back.
Many home routers support a protocol called uPNP, that allows a device inside the network to request port forwarding to itself. Some routers require this to be explicitly enabled, because it's a security risk to allow any device to be able to open holes in your firewall/router.
To have your NodeMCU device do this, look for libraries for ESP8266 that implement uPNP. I did a quick search and found https://github.com/ofekp/TinyUPnP though I cannot vouch for it's effectiveness or safety.
answered 2 hours ago
jose can u cjose can u c
6,2392724
Great answer, thanks for the quick response.
– Slaven Tojic
2 hours ago
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
Port forwarding is required to allow a device outside your router to access a device inside a router that performs NAT (Network Address Translation).
When a NodeMCU is acting as a simple server to respond to requests, it is inside your network, and so the port-forwarding is required so that your phone or computer on the Outside can access it.
However, for the cloud-based "smart" devices, it is different. The smart device opens a connection from itself to a server (the cloud) outside your network. In this case, the router understands that a new two-way connection is created between the cloud server and your smart device.
The only communication to your smart device is from the cloud server to the smart device. If you have an app on your mobile device or computer, that app or website only accesses the cloud server, when then passes the instruction on to your smart device. Reverse direction for status info from the smart device to your app, etc.
These smart devices rely on the infrastructure of their creators to continue to work. There are no LAN-to-LAN connections from the client to the device. Everything goes through the Internet to the remote cloud server, and back.
Many home routers support a protocol called uPNP, that allows a device inside the network to request port forwarding to itself. Some routers require this to be explicitly enabled, because it's a security risk to allow any device to be able to open holes in your firewall/router.
To have your NodeMCU device do this, look for libraries for ESP8266 that implement uPNP. I did a quick search and found https://github.com/ofekp/TinyUPnP though I cannot vouch for it's effectiveness or safety.
answered 2 hours ago
jose can u cjose can u c
6,2392724
Great answer, thanks for the quick response.
– Slaven Tojic
2 hours ago
add a comment |
Port forwarding is required to allow a device outside your router to access a device inside a router that performs NAT (Network Address Translation).
When a NodeMCU is acting as a simple server to respond to requests, it is inside your network, and so the port-forwarding is required so that your phone or computer on the Outside can access it.
However, for the cloud-based "smart" devices, it is different. The smart device opens a connection from itself to a server (the cloud) outside your network. In this case, the router understands that a new two-way connection is created between the cloud server and your smart device.
The only communication to your smart device is from the cloud server to the smart device. If you have an app on your mobile device or computer, that app or website only accesses the cloud server, when then passes the instruction on to your smart device. Reverse direction for status info from the smart device to your app, etc.
These smart devices rely on the infrastructure of their creators to continue to work. There are no LAN-to-LAN connections from the client to the device. Everything goes through the Internet to the remote cloud server, and back.
Many home routers support a protocol called uPNP, that allows a device inside the network to request port forwarding to itself. Some routers require this to be explicitly enabled, because it's a security risk to allow any device to be able to open holes in your firewall/router.
To have your NodeMCU device do this, look for libraries for ESP8266 that implement uPNP. I did a quick search and found https://github.com/ofekp/TinyUPnP though I cannot vouch for it's effectiveness or safety.
answered 2 hours ago
jose can u cjose can u c
6,2392724
Great answer, thanks for the quick response.
– Slaven Tojic
2 hours ago
add a comment |
Port forwarding is required to allow a device outside your router to access a device inside a router that performs NAT (Network Address Translation).
When a NodeMCU is acting as a simple server to respond to requests, it is inside your network, and so the port-forwarding is required so that your phone or computer on the Outside can access it.
However, for the cloud-based "smart" devices, it is different. The smart device opens a connection from itself to a server (the cloud) outside your network. In this case, the router understands that a new two-way connection is created between the cloud server and your smart device.
The only communication to your smart device is from the cloud server to the smart device. If you have an app on your mobile device or computer, that app or website only accesses the cloud server, when then passes the instruction on to your smart device. Reverse direction for status info from the smart device to your app, etc.
These smart devices rely on the infrastructure of their creators to continue to work. There are no LAN-to-LAN connections from the client to the device. Everything goes through the Internet to the remote cloud server, and back.
Many home routers support a protocol called uPNP, that allows a device inside the network to request port forwarding to itself. Some routers require this to be explicitly enabled, because it's a security risk to allow any device to be able to open holes in your firewall/router.
To have your NodeMCU device do this, look for libraries for ESP8266 that implement uPNP. I did a quick search and found https://github.com/ofekp/TinyUPnP though I cannot vouch for it's effectiveness or safety.
answered 2 hours ago
jose can u cjose can u c
6,2392724
Port forwarding is required to allow a device outside your router to access a device inside a router that performs NAT (Network Address Translation).
When a NodeMCU is acting as a simple server to respond to requests, it is inside your network, and so the port-forwarding is required so that your phone or computer on the Outside can access it.
However, for the cloud-based "smart" devices, it is different. The smart device opens a connection from itself to a server (the cloud) outside your network. In this case, the router understands that a new two-way connection is created between the cloud server and your smart device.
The only communication to your smart device is from the cloud server to the smart device. If you have an app on your mobile device or computer, that app or website only accesses the cloud server, when then passes the instruction on to your smart device. Reverse direction for status info from the smart device to your app, etc.
These smart devices rely on the infrastructure of their creators to continue to work. There are no LAN-to-LAN connections from the client to the device. Everything goes through the Internet to the remote cloud server, and back.
Many home routers support a protocol called uPNP, that allows a device inside the network to request port forwarding to itself. Some routers require this to be explicitly enabled, because it's a security risk to allow any device to be able to open holes in your firewall/router.
To have your NodeMCU device do this, look for libraries for ESP8266 that implement uPNP. I did a quick search and found https://github.com/ofekp/TinyUPnP though I cannot vouch for it's effectiveness or safety.
answered 2 hours ago
jose can u cjose can u c
6,2392724
answered 2 hours ago
jose can u cjose can u c
6,2392724
answered 2 hours ago
jose can u cjose can u c
6,2392724
answered 2 hours ago
jose can u cjose can u c
6,2392724
6,2392724
Great answer, thanks for the quick response.
– Slaven Tojic
2 hours ago
add a comment |
Great answer, thanks for the quick response.
– Slaven Tojic
2 hours ago
Great answer, thanks for the quick response.
– Slaven Tojic
2 hours ago
Great answer, thanks for the quick response.
– Slaven Tojic
2 hours ago
add a comment |
Slaven Tojic is a new contributor. Be nice, and check out our Code of Conduct.
Slaven Tojic is a new contributor. Be nice, and check out our Code of Conduct.
Slaven Tojic is a new contributor. Be nice, and check out our Code of Conduct.
Slaven Tojic is a new contributor. Be nice, and check out our Code of Conduct.
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