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

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

Hi

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 ?
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Question by:sunhux
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by:
nimda7 earned 200 total points
ID: 34081590
Try "netcat"

nc -zu <ip> <udpport>

where:
-u    UDP mode
-z    zero-I/O mode [used for scanning]
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by:sweetfa2
sweetfa2 earned 150 total points
ID: 34081612
nmap -p port -sU hostaddress
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Author Closing Comment

by:sunhux
ID: 34118325
ok
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