fx-tftp | Hackable and ACTUALLY WORKING pure-Ruby TFTP server

fx-tftp is a Ruby library. fx-tftp has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

FX-TFTP is a slightly over-OO-ed pure-Ruby implementation of plain RFC1350 TFTP server. It is very flexible and intended for hacking. Also, and more importantly, it works, contrary to other gems that are occupying space at RubyGems. That flexibility may be useful if you're planning on massive custom TFTP-based boots, or if you're into ~~hacking~~ researching cheap router security. The request packets parsing has been relaxed so that it should work with TFTP clients that use some fancy extensions. I have tested the server on Linux x86_64 with Ruby 2.2.0 and on FreeBSD amd64 with Ruby 1.9.3p194, and it successfully exchanged data both ways with clients running on numerous platforms. The included tftpd executable gives you a fully-fledged read-write TFTP server that also does logging, daemon mode and does not crap out on SIGTERM.