Différences
Ci-dessous, les différences entre deux révisions de la page.
| Les deux révisions précédentes Révision précédente | |||
| transmission:l2tp [2025/03/23 04:09] – sthibaul | transmission:l2tp [2025/03/30 16:47] (Version actuelle) – voir les ZLB sthibaul | ||
|---|---|---|---|
| Ligne 50: | Ligne 50: | ||
| ``` | ``` | ||
| - | sudo tcpdump -v -n -i any 'udp and port 1701 | + | sudo tcpdump -v -n -i any 'udp and port 1701 and (len <= 40 or ( |
| - | and ( not (( udp[8] & 0x40 == 0 ) and udp[16] == 0x00 and udp[17] == 0x21) ) | + | ( not (( udp[8] & 0x40 == 0 ) and udp[16] == 0x00 and udp[17] == 0x21) ) |
| and ( not (( udp[8] & 0x40 == 0 ) and udp[16] == 0xFF and udp[17] == 0x03 and udp[18] == 0x00 and udp[19] == 0x21) ) | and ( not (( udp[8] & 0x40 == 0 ) and udp[16] == 0xFF and udp[17] == 0x03 and udp[18] == 0x00 and udp[19] == 0x21) ) | ||
| and ( not (( udp[8] & 0x40 != 0 ) and udp[18] == 0x00 and udp[19] == 0x21) ) | and ( not (( udp[8] & 0x40 != 0 ) and udp[18] == 0x00 and udp[19] == 0x21) ) | ||
| Ligne 80: | Ligne 80: | ||
| and ( not (( udp[8] & 0x40 != 0 ) and udp[20] == 0xa ) ) | and ( not (( udp[8] & 0x40 != 0 ) and udp[20] == 0xa ) ) | ||
| and ( not (( udp[8] & 0x40 != 0 ) and udp[18] == 0xFF and udp[19] == 0x03 and udp[22] == 0xa ) ) | and ( not (( udp[8] & 0x40 != 0 ) and udp[18] == 0xFF and udp[19] == 0x03 and udp[22] == 0xa ) ) | ||
| - | ' | + | ) )' |
| ``` | ``` | ||