Herramientas de antihacking

• Obtener ips de /var/log/maillog
• Obtener ips de /var/log/secure
• Obtener ips del mail logwatch

tail -f /var/log/maillog | grep -E "unknow|rejected|relay access denied|authentication failed|SSL_accept error"
o
cat /var/log/maillog | grep -E "unknow|rejected|relay access denied|authentication failed|SSL_accept error" > /path/maillog-fecha.txt

Ingrese el texto: