Questions · Networks
Can I open a port on the router to see the cameras from outside?
It can be done, and it is not done. An open port is a camera published on the internet: the search engines for connected devices find it straight away, and from then on the only thing between anybody and your images is a password.
The right way is an encrypted tunnel into the camera network, where the user identifies themselves before getting to see anything, or the manufacturer's own connection service when it exists and you understand where the video goes and who can touch it. In both cases there is a record of who came in and when, which is half the value.
And there is a second part that decides more than it looks: the upload. Watching from outside uses the upload direction of the connection, which in almost every contract is the small one. An example: four cameras watched live at four megabits per second are sixteen megabits going up, and they do not fit on a ten-megabit upload line. That is why remote viewing sends the secondary stream, the lower-resolution one, and not the one that is recorded.
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A written answer is enough to decide whether it interests you. To know whether it works at your site you have to see it on a real scene, with the image as it is and, on top of it, what the system understands from it. That is on the IRIS Neural website, which is the group's product.