Computer Networks
Description I’ve decided for a small project of deploying Pi-hole – DNS server acting as an advertisement and tracking blocker. As I planned to provide this DNS server only to a few selected devices and I also wanted to keep updates and configuration as simple as possible, I went for Read more…
Description This article shows my take on DHCP server lease script, which creates and deletes static DNS records automatically, based on creation and deletion of DHCP leases. Although, bunch of such scripts is already available, I wanted to have the features I liked merged into one universal script. Updates Features Read more…
This guide describes the following situation: Remote MikroTik router has an available RouterOS firmware update Automatic firmware update does not work, because there is not enough disk space on the MikroTik router Selected packages of the router will be updated remotely Some more remarks: Firmware update can be a tricky Read more…
This guide describes the following situation: VPN site-to-site tunnel using IPSec setup is created in MikroTik routers between two private networks: 10.10.10.0/24 and 10.10.20.0/24 Both private networks use MikroTik router as a gateway Each MikroTik router is behind a NAT and have private network range on WAN ports as well: Read more…
Domain Search List option in DHCP (code 119), must follow RFC3397 requirements to work. Check out RFC example, which sums it up pretty well. Here is a short list of these requirements: Domain name is split by dots into individual parts Each domain part is prefixed with its length Each Read more…