Hong Dang Doan

Script: Attacker and victim in a LAN network together and victim want to access to websites www.bankofamerica.com to make transactions. Because www.bankofamerica is protected by SSL so attacker can not attack by fake www.bankofamerica.com in their computer. So they create a websites has the similar name in their computer, call... [Read More]

There is a dangerous type of cyber attack called Man In The Middle. Attacker can make all network traffic go through their system. One of the ways of this attack is that the attacker has to make the system being attacked to recognize the attacker’s system as the gateway(router) that... [Read More]

1.Install: yum install dhcpd Check if dhcpd was installed in system: dhcpd --version Allow dhcpd start with system startup systemctl enable dhcpd Directory structure of dhcpd: /etc/dhcp/dhcpd.conf: The file config of dhcpd. /var/lib/dhcpd/dhcpd.lease: The file contains information about dynamic IPs being granted via DHCP. /var/log/message: The default log file of... [Read More]