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playground:indisoft:notizen
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| Beide Seiten der vorigen Revision Vorhergehende Überarbeitung Nächste Überarbeitung | Vorhergehende Überarbeitung | ||
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playground:indisoft:notizen [2024/09/12 00:18] 47.128.29.31 alte Version wiederhergestellt (2024/09/04 20:14) |
playground:indisoft:notizen [2025/04/14 06:56] (aktuell) 18.117.129.72 alte Version wiederhergestellt (2024/12/19 13:15) |
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| === The OSI model === | === The OSI model === | ||
| + | {{ : | ||
| + | |||
| ~ consists of seven layers: | ~ consists of seven layers: | ||
| + | |||
| * 7 application | * 7 application | ||
| * 6 presentation | * 6 presentation | ||
| Zeile 73: | Zeile 76: | ||
| * 3 Internet | * 3 Internet | ||
| * 1 2 Network Access | * 1 2 Network Access | ||
| - | |||
| - | ==== Tabelle ==== | ||
| - | ^Group^Layer Number^Layer Name^Common Network Components Associated with this Layer^ | ||
| - | |Upper Layers|7|Application|Network aware applications: | ||
| - | |6|Presentation|| | ||
| - | |5|Session|| | ||
| - | |Lower Layers|4|Transport|Video and voice streaming mechanisms, Firewall filtering lists| | ||
| - | ||3|Network|IP addressing, Routing| | ||
| - | ||2||Data Link|Network interface cards and drivers, Network switching, | ||
| - | ||1|Physical|Physical medium (copper twisted pair, fiber-optic cables, wireless transmitters, | ||
| - | |||
| - | ---- | ||
| ==== Ethernet ==== | ==== Ethernet ==== | ||
| There is no official LAN standard protocol, but over time, Ethernet, has become more common than the others. Ethernet protocols define how data is formatted and how it is transmitted over the wired network. The Ethernet standards specify protocols that operate at Layer 1 and Layer 2 of the OSI model. Ethernet standards have evolved for specifying faster and more flexible versions of the technology. Each version of Ethernet has an associated standard. Each host connected to an Ethernet network is assigned a physical address which serves to identify the host on the network. Every Ethernet network interface has a physical address assigned to it when it is manufactured. This address is known as the Media Access Control (MAC) address. The MAC address identifies each source and destination host on the network. | There is no official LAN standard protocol, but over time, Ethernet, has become more common than the others. Ethernet protocols define how data is formatted and how it is transmitted over the wired network. The Ethernet standards specify protocols that operate at Layer 1 and Layer 2 of the OSI model. Ethernet standards have evolved for specifying faster and more flexible versions of the technology. Each version of Ethernet has an associated standard. Each host connected to an Ethernet network is assigned a physical address which serves to identify the host on the network. Every Ethernet network interface has a physical address assigned to it when it is manufactured. This address is known as the Media Access Control (MAC) address. The MAC address identifies each source and destination host on the network. | ||
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| + | |||
| + | ====== note ====== | ||
| + | |||
| + | * arp unter Windows für Mac-Adressenliste | ||
| + | * ip n unter Linux | ||
| + | * moderneres Protokoll quic Introduced October 12, 2012 | ||
| + | * Mit tcpdump kann man sich da Apps auf der shell basteln | ||
| + | * https:// | ||
| + | |||
| + | |||
| + | ===== server security ===== | ||
| + | |||
| + | * wazuh https:// | ||
| + | * Mashstatic CB-Funk | ||
| + | * https:// | ||
| + | |||
| + | Kann man den Marktschreier mit Amateurfunk Technik als Switch für Ethernet Umsetzen anstatt Wifi zu inplementieren (so ein Produkt könnte doch erfunden werden) | ||
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