Pessoal, dando uma varrida no servidor estou verificando isso no meu log syslog
O que é isso ?
Minha rede é 192.168.0.0/24 porque aparece isso ?
tail -f syslog
May 25 12:37:46 oscar kernel: martian source 192.168.40.253 from 192.168.40.253, on dev eth1
May 25 12:37:46 oscar kernel: ll header: ff:ff:ff:ff:ff:ff:00:03:2d:01:f7:54:08:06
May 25 12:38:03 oscar kernel: martian source 192.168.40.253 from 192.168.40.253, on dev eth1
May 25 12:38:03 oscar kernel: ll header: ff:ff:ff:ff:ff:ff:00:03:2d:01:f7:54:08:06
May 25 12:38:03 oscar kernel: martian source 255.255.255.255 from 192.168.40.253, on dev eth1
May 25 12:38:03 oscar kernel: ll header: ff:ff:ff:ff:ff:ff:00:03:2d:01:f7:54:08:00