1.1. Hardware requirements for a PNS firewall host

Processor: PNS requires a 64-bit capable x86 processor (for example, Intel Core i series, Intel Xeon, AMD Ryzen, AMD EPYC, and so on).

Memory: At least 4 GiB RAM is recommended, though 2 GiB is acceptable on systems with low load.

Hard disk: Though PNS itself requires minimum of 16 GiB of disk space, 256 GiB or larger disk space is recommended to have enough space for log files, for example.

Hardware compatibility: PNS runs on Ubuntu, currently using version 5.15 of the Linux kernel. Most hardware supported by Linux is also supported by PNS.

Note

Make sure to install PNS on hardware that is Ubuntu Server certified. For a list of Ubuntu Server certified hardware, see Ubuntu Server certified hardware.

Tip

Use disks designed for servers: other disks are not planned for 24/7 usage, and to participate in RAID sets. Use 2 or more redundant disks in a RAID array to prevent data loss and downtime (the PNS automatic installer supports software RAID mirroring).

For details on sizing a PNS host, see Section 1.1.1, Sizing PNS hosts.

Tip

A modern 1- or 2-unit-high server with remote management port is usually an optimal solution. Its size depends on the number of required LAN ports. Use reliable or brand hardware for your firewall with dual power supply and UPS.

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