Oui très juste, désolé pour cette erreur.
La ça bouge plus on dirait quand je tente d’ envoyer un mail :
tcpdump -i eth1 port 25
[ 6248.219705] device eth1 entered promiscuous mode
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth1, link-type EN10MB (Ethernet), capture size 65535 bytes
22:08:44.173115 IP 192.168.1.20.58204 > mx1.free.fr.smtp: Flags [S], seq 3217026634, win 5840, options [mss 1460,sackOK,TS val 599498 ecr 0,nop,wscale 5], length 0
22:08:44.217125 IP mx1.free.fr.smtp > 192.168.1.20.58204: Flags [S.], seq 707676562, ack 3217026635, win 5792, options [mss 1460,sackOK,TS val 594006389 ecr 599498,nop,wscale 7], length 0
22:08:44.217185 IP 192.168.1.20.58204 > mx1.free.fr.smtp: Flags [.], ack 1, win 183, options [nop,nop,TS val 599503 ecr 594006389], length 0
22:08:44.258675 IP mx1.free.fr.smtp > 192.168.1.20.58204: Flags [P.], seq 1:22, ack 1, win 46, options [nop,nop,TS val 594006647 ecr 599503], length 21
22:08:44.258716 IP 192.168.1.20.58204 > mx1.free.fr.smtp: Flags [.], ack 22, win 183, options [nop,nop,TS val 599507 ecr 594006647], length 0
22:08:44.259144 IP 192.168.1.20.58204 > mx1.free.fr.smtp: Flags [P.], seq 1:38, ack 22, win 183, options [nop,nop,TS val 599507 ecr 594006647], length 37
22:08:44.302043 IP mx1.free.fr.smtp > 192.168.1.20.58204: Flags [.], ack 38, win 46, options [nop,nop,TS val 594006690 ecr 599507], length 0
22:08:44.304484 IP mx1.free.fr.smtp > 192.168.1.20.58204: Flags [P.], seq 22:43, ack 38, win 46, options [nop,nop,TS val 594006693 ecr 599507], length 21
22:08:44.343867 IP 192.168.1.20.58204 > mx1.free.fr.smtp: Flags [.], ack 43, win 183, options [nop,nop,TS val 599516 ecr 594006693], length 0
22:08:44.386302 IP mx1.free.fr.smtp > 192.168.1.20.58204: Flags [P.], seq 43:72, ack 38, win 46, options [nop,nop,TS val 594006774 ecr 599516], length 29
22:08:44.386330 IP 192.168.1.20.58204 > mx1.free.fr.smtp: Flags [.], ack 72, win 183, options [nop,nop,TS val 599520 ecr 594006774], length 0
22:08:44.386579 IP 192.168.1.20.58204 > mx1.free.fr.smtp: Flags [P.], seq 38:99, ack 72, win 183, options [nop,nop,TS val 599520 ecr 594006774], length 61
22:08:44.429204 IP mx1.free.fr.smtp > 192.168.1.20.58204: Flags [P.], seq 72:86, ack 99, win 46, options [nop,nop,TS val 594006817 ecr 599520], length 14
22:08:44.429471 IP 192.168.1.20.58204 > mx1.free.fr.smtp: Flags [P.], seq 99:133, ack 86, win 183, options [nop,nop,TS val 599524 ecr 594006817], length 34
22:08:44.477236 IP mx1.free.fr.smtp > 192.168.1.20.58204: Flags [P.], seq 86:203, ack 133, win 46, options [nop,nop,TS val 594006865 ecr 599524], length 117
22:08:44.500557 IP 192.168.1.20.58204 > mx1.free.fr.smtp: Flags [P.], seq 133:139, ack 203, win 183, options [nop,nop,TS val 599531 ecr 594006865], length 6
22:08:44.541041 IP mx1.free.fr.smtp > 192.168.1.20.58204: Flags [P.], seq 203:216, ack 139, win 46, options [nop,nop,TS val 594006929 ecr 599531], length 13
22:08:44.541359 IP 192.168.1.20.58204 > mx1.free.fr.smtp: Flags [P.], seq 139:145, ack 216, win 183, options [nop,nop,TS val 599535 ecr 594006929], length 6
22:08:44.541430 IP 192.168.1.20.58204 > mx1.free.fr.smtp: Flags [F.], seq 145, ack 216, win 183, options [nop,nop,TS val 599535 ecr 594006929], length 0
22:08:44.582950 IP mx1.free.fr.smtp > 192.168.1.20.58204: Flags [P.], seq 216:240, ack 145, win 46, options [nop,nop,TS val 594006971 ecr 599535], length 24
22:08:44.583014 IP 192.168.1.20.58204 > mx1.free.fr.smtp: Flags [R], seq 3217026779, win 0, length 0
22:08:44.583236 IP mx1.free.fr.smtp > 192.168.1.20.58204: Flags [F.], seq 240, ack 145, win 46, options [nop,nop,TS val 594006971 ecr 599535], length 0
22:08:44.583265 IP 192.168.1.20.58204 > mx1.free.fr.smtp: Flags [R], seq 3217026779, win 0, length 0
22:08:44.584596 IP mx1.free.fr.smtp > 192.168.1.20.58204: Flags [.], ack 146, win 46, options [nop,nop,TS val 594006972 ecr 599535], length 0
22:08:44.584624 IP 192.168.1.20.58204 > mx1.free.fr.smtp: Flags [R], seq 3217026780, win 0, length 0
22:08:45.248882 IP mx1.free.fr.smtp > 192.168.1.20.58204: Flags [P.], seq 216:240, ack 146, win 46, options [nop,nop,TS val 594007637 ecr 599535], length 24
22:08:45.248924 IP 192.168.1.20.58204 > mx1.free.fr.smtp: Flags [R], seq 3217026780, win 0, length 0
^C
27 packets captu[ 6323.171931] device eth1 left promiscuous mode
red
27 packets received by filter
0 packets dropped by kernel