SSH-Protokoll: Unterschied zwischen den Versionen
| Zeile 4: | Zeile 4: | ||
= SSH Header = | = SSH Header = | ||
{{#drawio:ssh-protokoll-02}} | {{#drawio:ssh-protokoll-02}} | ||
| + | * 4 Bytes werden für die Paketlänge verwendet | ||
| + | * 1 Byte für die Länge des Paddings | ||
| + | * Daten + Padding brauchen des Rest auf | ||
| + | |||
| + | ! Field Name !! Length (bytes) !! Description | ||
| + | |- | ||
| + | | Packet Length || 4 || Length of the packet (excluding the length of the 'Packet Length' field). | ||
| + | |- | ||
| + | | Padding Length || 1 || Length of the random padding that is added to the packet. | ||
| + | |- | ||
| + | | Payload || Variable || The actual SSH message that is being transmitted. | ||
| + | |- | ||
| + | | Padding || Variable || Random data used to ensure the total packet length is a multiple of the block size (typically 8 or 16 bytes). | ||
| + | |- | ||
| + | | MAC (Message Authentication Code) || Variable || Message authentication code (if used) to verify the integrity of the packet. | ||
| + | |- | ||
| + | | Compression || Optional || Some SSH implementations compress the payload and/or padding for efficiency. | ||
= Konfiguration unter Linux = | = Konfiguration unter Linux = | ||
Version vom 16. September 2024, 21:29 Uhr
Ablauf des Kommunikationsaufbaus
SSH Header
![Bearbeiten](javascript:editDrawio("605056039", "ssh-protokoll-01.drawio.png", "png", false, false, false, true, "https://embed.diagrams.net")){kind=link}
![Bearbeiten](javascript:editDrawio("877857827", "ssh-protokoll-02.drawio.png", "png", false, false, false, true, "https://embed.diagrams.net")){kind=link}
- 4 Bytes werden für die Paketlänge verwendet
- 1 Byte für die Länge des Paddings
- Daten + Padding brauchen des Rest auf
! Field Name !! Length (bytes) !! Description |- | Packet Length || 4 || Length of the packet (excluding the length of the 'Packet Length' field). |- | Padding Length || 1 || Length of the random padding that is added to the packet. |- | Payload || Variable || The actual SSH message that is being transmitted. |- | Padding || Variable || Random data used to ensure the total packet length is a multiple of the block size (typically 8 or 16 bytes). |- | MAC (Message Authentication Code) || Variable || Message authentication code (if used) to verify the integrity of the packet. |- | Compression || Optional || Some SSH implementations compress the payload and/or padding for efficiency.