F-PROT Antivirus for Linux was a popular security solution for Linux systems, notably free for home use for many years. However, it is important to note that it is as of roughly 2015 .

Using unmaintained antivirus software like F-PROT is risky because it lacks the updated virus definitions required to detect modern threats. In historical tests, unmaintained versions showed significantly lower detection rates (sometimes as low as 23%) compared to modern solutions. Top Recommended Alternatives for 2026

While it was once a staple recommendation for those looking for a fast and effective scanner, it has been superseded by more modern and regularly updated security tools. Below is a guide to its legacy features and the modern alternatives you should consider today. Legacy Guide: F-PROT for Linux

If you are looking for current antivirus protection for a Linux system, these are the leading options: Antivirus - Community Help Wiki - Ubuntu Documentation

In its prime, F-PROT was favored for its speed and simple command-line interface. :

: Free for personal, non-commercial use on workstations.