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DNS server configuration in Debian

Dnsmasq The dnsmasq package allows you to start a DNS server in a very simple way. Simply by installing and starting the dnsmasq service, without any additional configuration, our PC will become a DNS cache server and will also solve the names we have configured in the / etc / hosts file of our server. The resolution will work both directly and inversely, that is, it will solve the IP given a PC name and the PC name given the IP.

Friday, September 8, 2023 | 3 minutes Read
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Installing and Configuring a DHCP Server on Linux

Configuring the DHCP Server on Debian In this article, you will learn how to configure the isc-dhcp-server. Additionally, we will configure an IP reservation and set it up to operate on two different scopes. Here is my DHCP server’s network configuration: # Router external network auto ens4 iface ens4 inet dhcp # Internal network 1 auto ens5 iface ens5 inet static address 192.168.10.1 netmask 255.255.255.0 # SNAT for ens5 network , ensure that bit of forwarding is activated. post-up iptables -t nat -A POSTROUTING -o ens4 -j MASQUERADE post-down iptables -t nat -D POSTROUTING -o ens4 -j MASQUERADE # Internal network 2 auto ens6 iface ens6 inet static address 192.168.20.1 netmask 255.255.255.0 Installing the isc-dhcp-server To install the DHCP server on Debian, run the following command:

Friday, September 8, 2023 | 4 minutes Read