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I am trying to make a local network with two computers (Linux and Windows) via Ethernet, without a router, the connection works fine, but I don't like the name of the network (if it has one) because it appears as an unidentified network. I would like to give it a name.

I saw that the name of a network is given by the SSID, but only for wireless networks and if you have a router or contracted service, which is not my case. So how can I name the network? That is, identify it

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    What exactly are you trying to use netcat for? You should be able to just create an allow rule for the port your using.
    – Ramhound
    Commented Jun 9 at 17:32
  • I use netcat to send messages or files, to learn; how is that done? Although if what I'm doing is creating a local network, why does it appear in the firewall as a public network?
    – Roberto
    Commented Jun 9 at 17:39
  • Why Netcat has not been updated in nearly 20 years? There are much better solutions.
    – Ramhound
    Commented Jun 9 at 17:42
  • Is ncat form nmap useful? In the description, it said yes🤨
    – Roberto
    Commented Jun 9 at 17:44
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    Sorry again,😅, it's identify. I want to identify my network so I don't have: unidentified network, no Internet connection when I want to connect to it. I don't want to have an internet connection, I just want to identify it to make it private and temporarily disable the private firewall. I don't understand why it's not identified. Is it because I am not connected to the Internet?
    – Roberto
    Commented Jun 12 at 18:42

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You can't really identify a network, as such. Networks don't have an identity, and furthermore it would be difficult to define: you've made a network by linking two computers. If you now add a third one (through a switch), is it still the same network? And if you remove the second one?

WiFi networks at least have an SSID, but even then they don't really identify the network: if you add a new access point to your network, you could give it the same SSID or a different one. So the SSID doesn't really identify the network, just a set of access points.

You can identify the other computer by its MAC address.

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