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en:verejne:sit:ethernet [09.03.2024 13:28] – [Installation manuals] parity with czech Karel Kopecký | en:verejne:sit:ethernet [09.03.2024 13:35] – [How to find a MAC address] Karel Kopecký | ||
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===== Security ===== | ===== Security ===== | ||
+ | |||
+ | <note warning> | ||
+ | Your cable-connected device has a public IPv4 address,\\ | ||
+ | __**always use a properly configured firewall!**__ | ||
+ | </ | ||
+ | |||
All devices connected with an Ethernet cable get not only an IPv6 address, but a **public IPv4 address** as well, it is therefore necessary to **correctly configure the firewall** on such devices. Alas, people do not, so, unfortunately, | All devices connected with an Ethernet cable get not only an IPv6 address, but a **public IPv4 address** as well, it is therefore necessary to **correctly configure the firewall** on such devices. Alas, people do not, so, unfortunately, | ||
^ Service | ^ Service | ||
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'' | '' | ||
- | {{indexmenu>: | + | {{indexmenu>: |
If you fail in finding your devices MAC address, come visit us during office and bring your device with you, we are happy to help you. Sometimes, you may find it on the device itself, or it's packaging. On devices with menus, it's commonly found in sections called " | If you fail in finding your devices MAC address, come visit us during office and bring your device with you, we are happy to help you. Sometimes, you may find it on the device itself, or it's packaging. On devices with menus, it's commonly found in sections called " |