October 2017

• http://portquiz.net/ - outgoing port tester. The server listens on all TCP ports, allowing you to test any outbound TCP port.
• https://github.com/google/nsjail - NsJail is a process isolation tool for Linux. It utilizes Linux namespace subsystem, resource limits, and the seccomp-bpf syscall filters of the Linux kernel.
• https://github.com/mricon/rev-proxy-grapher - A useful tool that will generate a nice graphviz graph illustrating your reverse proxy flow.