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simz0ff / gist:1a47c0d4fa6dd3df5c76fd58aa792c7e
Created October 25, 2021 15:23 — forked from Khoulaiz/gist:41b387883a208d6e914b
Checking ports without telnet

Here are several different ways to test a TCP port without telnet.

BASH (man page)

$ cat < /dev/tcp/127.0.0.1/22
SSH-2.0-OpenSSH_5.3
^C

$ cat &lt; /dev/tcp/127.0.0.1/23
@simz0ff
simz0ff / web-servers.md
Created May 15, 2021 09:27 — forked from willurd/web-servers.md
Big list of http static server one-liners

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000
@simz0ff
simz0ff / DNS_TO_LOCALHOST.markdown
Created May 6, 2021 12:55 — forked from tinogomes/DNS_TO_LOCALHOST.markdown
Public DNS Pointing To localhost (127.0.0.1)

Available Wildcarded DNS Domains

It turns out that some kind hearted people already set up wildcarded domains for you already. You can use any domain below and/or any subdomain of these and they will always resolve back to 127.0.0.1 (your local machine). Here's the list of ones I know about. Let me know if there are more!

  • localhost - It will always works. Do you know why? I hope so.
  • [*.]fuf.me - Managed by @fidian; it will always point to localhost for IPv4 and IPv6
  • [*.]localtest.me
  • [*.]127-0-0-1.org.uk
  • [*.]vcap.me
  • [*.]yoogle.com