2 ms·
I find that a little hard to remember, and nmap isn't as widely available as netcat: nc -zv 1.1.1.1 443 Alternatively, the most barebones version, useful fo
by redrove 4y ago
I find that a little hard to remember, and nmap isn't as widely available as netcat:
nc -zv 1.1.1.1 443
Alternatively, the most barebones version, useful for inside a container where all you have is a shell and the kernel:
cat > /dev/tcp/www.google.com/443
- tredre3 4y ago> Alternatively, the most barebones version, useful for inside a container where all you have is a shell and the kernel: > cat > /dev/tcp/www.google.com/443 I was unfamiliar with this device so I googled a bit. This isn't a real file/device, it's a bash-ism when built with --enable-net-redirections (apparently disabled in debian-based distros [1]). That's too bad, would have been cool to have such easy access to sockets anywhere using fopen(). 1. https://www.oreilly.com/library/view/bash-cookbook/0596526784/ch15s09.html https://www.oreilly.com/library/view/bash-cookbook/059652678...