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--- playground:indisoft:notizen [2024/09/06 16:52]
47.128.32.62 alte Version wiederhergestellt (2024/08/20 15:00)
+++ playground:indisoft:notizen [2025/04/14 06:56] (aktuell)
18.117.129.72 alte Version wiederhergestellt (2024/12/19 13:15)
@@ Zeile 43: / Zeile 43: @@
 ===== Standards ======
 RFCs for internet standards are published and managed by the IETF.
-==== Ethernet ====
-Es gibt kein offizielles Standardprotokoll für lokale Netzwerke, aber im Laufe der Zeit hat sich eine Technologie, Ethernet, durchgesetzt. Ethernet-Protokolle definieren, wie Daten formatiert und über das kabelgebundene Netzwerk übertragen werden. Die Ethernet-Standards spezifizieren Protokolle, die auf Schicht 1 und Schicht 2 des OSI-Modells arbeiten. Ethernet ist zu einem De-facto-Standard geworden, was bedeutet, dass es die Technologie ist, die von fast allen kabelgebundenen lokalen Netzwerken verwendet wird.
-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.
 ==== Netzwerk Kommunikations Modelle ====
 Network Communication Models
@@ Zeile 62: / Zeile 59: @@
 === The OSI model ===
+{{ :playground:indisoft:tcpiposiccnaep3.png?direct&600|}}
 ~ consists of seven layers:
   * 7 application
   * 6 presentation
@@ Zeile 77: / Zeile 77: @@
   * 1 2 Network Access
-==== Tabelle ====
+==== Ethernet ====
-^Group^  Layer Nr.  ^Layer Name^Common Network Components Associated with this Layer^
-|Upper Layers|  7  |Application|Network aware applications: Email, Web browsers and servers, File transfer, Name resolution|
+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.
-|:::|  6  |Presentation|:::|
-|:::|  5  |Session|:::|
-|Lower Layers|  4  |Transport|Video and voice streaming mechanisms, Firewall filtering lists|
+====== note ======
-|:::|  3  |Network|IP addressing, Routing|
-|:::|  2  |Data Link|Network interface cards and drivers, Network switching,WAN connectivity|
+  * arp unter Windows für Mac-Adressenliste
-|:::|  1  |Physical|Physical medium (copper twisted pair, fiber-optic cables, wireless transmitters,Coaxial Cable), Hubs and repeaters|
+  * ip n unter Linux
+  * moderneres Protokoll quic Introduced October 12, 2012
+  * Mit tcpdump kann man sich da Apps auf der shell basteln
+  *  https://www.youtube.com/watch?v=C2FrTZxi_NI
-----
+===== server security =====
+  * wazuh https://www.heise.de/select/ix/2025/1/2429811514830053491
+  * Mashstatic CB-Funk
+  * https://hackaday.com/2022/05/25/long-distance-text-communication-with-lora/
+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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