Check which ports are open to the outside world. Helps make sure that your firewall rules are working as intended.
One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.
Add your voice to the tech community where 5M+ people just like you are talking about what matters.
|Explain the command ls -1tr | head -n -10 | xargs -d '\n' rm -f --||4||65|
|postfix start error!||9||85|
|Nee dhelp identifying the OS and how to access||7||90|
|sed replace command||12||27|
Join the community of 500,000 technology professionals and ask your questions.