Différences
Ci-dessous, les différences entre deux révisions de la page.
| Les deux révisions précédentes Révision précédente | |||
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transmission:l2tp [2024/09/04 14:32] sthibaul |
transmission:l2tp [2024/09/04 14:45] (Version actuelle) sthibaul |
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|---|---|---|---|
| Ligne 52: | Ligne 52: | ||
| ``` | ``` | ||
| sudo tcpdump -v -n -i any 'port 1701 | sudo tcpdump -v -n -i any 'port 1701 | ||
| - | and ( not (( udp[8] & 0x40 == 0 ) and udp[16] = 0x00 and udp[17] = 0x21) ) | + | and ( not (( udp[8] & 0x40 == 0 ) and udp[16] |
| - | and ( not (( udp[8] & 0x40 != 0 ) and udp[18] = 0x00 and udp[19] = 0x21) ) | + | and ( not (( udp[8] & 0x40 != 0 ) and udp[18] |
| - | and ( not (( udp[8] & 0x40 == 0 ) and udp[16] = 0x00 and udp[17] = 0x57) ) | + | and ( not (( udp[8] & 0x40 == 0 ) and udp[16] |
| - | and ( not (( udp[8] & 0x40 != 0 ) and udp[18] = 0x00 and udp[19] = 0x57) ) | + | and ( not (( udp[8] & 0x40 != 0 ) and udp[18] |
| - | and ( not (( udp[8] & 0x40 == 0 ) and udp[16] = 0x80 and udp[17] = 0xfd) ) | + | and ( not (( udp[8] & 0x40 == 0 ) and udp[16] |
| - | and ( not (( udp[8] & 0x40 != 0 ) and udp[18] = 0x80 and udp[19] = 0xfd) ) | + | and ( not (( udp[8] & 0x40 != 0 ) and udp[18] |
| - | and ( not (( udp[8] & 0x40 == 0 ) and udp[18] = 0x9 ) ) | + | and ( not (( udp[8] & 0x40 == 0 ) and udp[18] |
| - | and ( not (( udp[8] & 0x40 != 0 ) and udp[20] = 0x9 ) ) | + | and ( not (( udp[8] & 0x40 != 0 ) and udp[20] |
| - | and ( not (( udp[8] & 0x40 == 0 ) and udp[18] = 0xa ) ) | + | and ( not (( udp[8] & 0x40 == 0 ) and udp[18] |
| - | and ( not (( udp[8] & 0x40 != 0 ) and udp[20] = 0xa ) ) | + | and ( not (( udp[8] & 0x40 != 0 ) and udp[20] |
| ' | ' | ||
| ``` | ``` | ||
| Ligne 84: | Ligne 84: | ||
| ``` | ``` | ||
| + | * Observer les RS/RA: | ||
| + | |||
| + | ``` | ||
| + | sudo tcpdump -v -n -i any 'port 1701 | ||
| + | and ( ( ( udp[8] & 0x40 != 0 ) and udp[18] == 0x00 and udp[19] == 0x57 and udp[26] == 58 and ( udp[60] == 134 or udp[60] == 133 ) ) | ||
| + | or ( ( udp[8] & 0x40 == 0 ) and udp[16] == 0x00 and udp[17] == 0x57 and udp[24] == 58 and ( udp[58] == 134 or udp[58] == 133 ) ) ) | ||
| + | ' | ||
| + | ``` | ||