floppyfw

{{Infobox OS

| name = floppyfw

| developer = Thomas Lundquist

| source_model = Open source

| working_state = Inactive

| released = 2000

| latest_release_version = 3.0.15

| latest_release_date = {{start date|2011|07|21}}

| language = English

| kernel_type = 2.4.37.9

| license = various

| website = [http://www.zelow.no/floppyfw/ www.zelow.no/floppyfw]

| supported_platforms = x86

}}

floppyfw was a Linux distribution running BusyBox to provide a firewall/gateway/router on a single bootable floppy disk, but was later available in CD format.{{Cite web|url=https://www.linux.com/news/two-floppy-based-firewalls|title=Two floppy-based firewalls|website=Linux.com |date=14 March 2005|accessdate=14 December 2017}}
- {{Cite news|url=https://www.techrepublic.com/article/a-floppy-based-linux-gateway-firewall-sure-to-please/|title=A floppy-based Linux gateway/firewall sure to please|work=TechRepublic|accessdate=14 December 2017}}

Reviews concluded that it was a very simple and reliable gateway/firewall that could be established on small to medium-sized networks at low cost and with ease. One independent study concluded that it was " best possible security provided by a floppy-based firewall" for the repurposing of old, redundant hardware into Linux-based firewalls or routers.{{Cite web|url=https://www.sans.org/reading-room/whitepapers/firewalls/review-floppy-based-firewalls-security-considerations-808|title=A Review Of Floppy-Based Firewalls And Their Security Considerations|last=Closson|first=Sean|date=2002|website=SANS Institute|archive-url=|archive-date=|accessdate=14 December 2017}}