Still celebrating National IT Professionals Day with 3 months of free Premium Membership. Use Code ITDAY17


equivalent of MS portquery for Linux & HP-UX to check Udp connectivity

Posted on 2010-11-07
Medium Priority
Last Modified: 2012-05-10


To test if the firewall permissioned for a certain port (in my case, I need to test
for Udp port being permissioned), I would use portquery on the initiating node.

For Windows & Unix, I can use "telnet destination_IP port" to test tcp port
connectivity.  WHat about udp port on Linux & HP-UX ?
Question by:sunhux
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions

Accepted Solution

nimda7 earned 800 total points
ID: 34081590
Try "netcat"

nc -zu <ip> <udpport>

-u    UDP mode
-z    zero-I/O mode [used for scanning]
LVL 17

Assisted Solution

sweetfa2 earned 600 total points
ID: 34081612
nmap -p port -sU hostaddress

Author Closing Comment

ID: 34118325

Featured Post

On Demand Webinar: Networking for the Cloud Era

Did you know SD-WANs can improve network connectivity? Check out this webinar to learn how an SD-WAN simplified, one-click tool can help you migrate and manage data in the cloud.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Let's say you need to move the data of a file system from one partition to another. This generally involves dismounting the file system, backing it up to tapes, and restoring it to a new partition. You may also copy the file system from one place to…
In tuning file systems on the Solaris Operating System, changing some parameters of a file system usually destroys the data on it. For instance, changing the cache segment block size in the volume of a T3 requires that you delete the existing volu…
Learn several ways to interact with files and get file information from the bash shell. ls lists the contents of a directory: Using the -a flag displays hidden files: Using the -l flag formats the output in a long list: The file command gives us mor…
Learn how to get help with Linux/Unix bash shell commands. Use help to read help documents for built in bash shell commands.: Use man to interface with the online reference manuals for shell commands.: Use man to search man pages for unknown command…

722 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question