KaliLinux 2018.2: Install isc-dhcp-server for DHCP server

Table of Contents

1 Install isc-dhcp-server

Install isc-dhcp-server with apt.

$ sudo apt install -y isc-dhcp-server

2 /etc/default/isc-dhcp-server

Add configuration for DHCPD. INTERFACESv4 is a network interface name which is connected to a network which you try to provided DHCP.

$ INTERFACESv4=eth0$ sudo sed -e ‘s/^#DHCPD_CONF=/DHCPD_CONF=/g’ -e ‘s/^#DHCPD_PID=/DHCPD_PID=/g’ -e “s/INTERFACESv4=””/INTERFACESv4=”${INTERFACESv4}”/g” -i /etc/default/isc-dhcp-server

3 /etc/dhcp/dhcpd.conf

Define domain name, DHCP server IP address and gateway IP address. Mapping MAC address 52:54:00:5e:7a:a4 to IP address Set IP address of this server to DNS server.

$ SERVER_IPADDR=$(hostname -I | awk ‘{ print $1 }’)$ cat <<EOF | sudo tee /etc/dhcp/dhcpd.confsubnet netmask { option domain-name “hiroom2.com”; option domain-name-servers ${BIND_SERVER_IPADDR}; option routers;}host client { hardware ethernet 52:54:00:5e:7a:a4; fixed-address; option host-name “client.hiroom2.com”;}EOF

4 Run isc-dhcp-server

Run isc-dhpc-server with systemd.

$ sudo systemctl enable isc-dhcp-server$ sudo systemctl restart isc-dhcp-server

5 Execution result

Run the following command on client machine.

IP address is provided.

$ ip a s1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWNgroup default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codelstate UP group default qlen 1000 link/ether 52:54:00:5e:7a:a4 brd ff:ff:ff:ff:ff:ff inet brd scope global dynamicnoprefixroute eth0 valid_lft 42938sec preferred_lft 42938sec inet6 fe80::3af3:7f8b:9205:2e03/64 scope link noprefixroute valid_lft forever preferred_lft forever

Hostname is provided.

$ hostnamectl Static hostname: localhostTransient hostname: client.hiroom2.com Icon name: computer-vm Chassis: vm Machine ID: 287153f8fdde4db49fc768ede40be484 Boot ID: ddcde6b597e7484abc2024ab8622dc1a Virtualization: kvm Operating System: Kali GNU/Linux Rolling Kernel: Linux 4.17.0-kali1-amd64 Architecture: x86-64

DNS server is provided.

$ cat /etc/resolv.conf# Generated by NetworkManagersearch hiroom2.comnameserver

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