Looking for a tool to test ports and protocols access

I want to check my network and see if certain ports and protocols are already allowed through the firewall, is there a windows  tool that I can use to verify this before I poke on the firewall?

Thank you,
LVL 5
SR ZakNetwork Solutions Asked:
Who is Participating?

[Product update] Infrastructure Analysis Tool is now available with Business Accounts.Learn More

x
I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

Andrew LeniartEE Senior Editor & Independent IT ConsultantCommented:
Have you tried just typing the netstat command in a DOS command prompt window?
0
Andrew LeniartEE Senior Editor & Independent IT ConsultantCommented:
I have full page of port ranges I want to check

Would this site be of any help?

https://www.ipfingerprints.com/portscan.php

It checks Port Ranges and then reports on their state.
0

Experts Exchange Solution brought to you by

Your issues matter to us.

Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.

Start your 7-day free trial
Prabhin MPEngineer-TechOPSCommented:
use nmap tool to check the port or service.

nmap is fully on command line,
there is GUI for this called Zenmap.

https://nmap.org/zenmap/
0
Bill BachPresident and Btrieve GuruCommented:
Running NETSTAT -A on the server will give you a list of LISTENING ports, but that won't tell you for sure if the firewall is allowing them through.  Instead, take any Windows machine with the TELNET client and run this command for each port:
   TELNET ServerName PortNumber
If the firewall is blocking the port, you'll get an error message.  If the firewall isnot blocking it, and if the port is LISTENING, then you should get a black screen with a blinking cursor.  Most apps have no telnet interface, so that'll be all you willsee.  If you find one that DOES have an interface, you may actually get a response, but that is immaterial here.
0
Shaun VermaakTechnical Specialist IVCommented:
PortQry is old but it still works well. It gives back the port state like NETSTAT
https://support.microsoft.com/en-za/help/310099/description-of-the-portqry-exe-command-line-utility
0
It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today
Networking Protocols

From novice to tech pro — start learning today.