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тАО02-21-2010 12:51 PM
тАО02-21-2010 12:51 PM
check open port
I'm trying to change my current listener port no to something else but when I started the listener, there is no service registered after 1 minute.
I need to find out how to determine if this port is blocked.
trying telnet host_ip portno gets connection refused.
thanx for helping
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тАО02-21-2010 02:01 PM
тАО02-21-2010 02:01 PM
Re: check open port
you started it?
> [...] there is no service registered after
> 1 minute.
And you determined this how, exactly?
> I need to find out how to determine if this
> port is blocked.
Who would be blocking it? How much network
lies between you and "host_ip"?
> [...] connection refused.
That normally means that no one is listening
at that port.
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тАО02-21-2010 05:47 PM
тАО02-21-2010 05:47 PM
Re: check open port
have u added the port in /etc/services
Port would only listen when service is running, are you sure ur application is accepting new port.
BR,
Kapil+
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тАО02-22-2010 04:03 AM
тАО02-22-2010 04:03 AM
Re: check open port
#vi /etc/services
for flush your firewall :
#ipf -Fa
or you can check using :
#netstat -an | grep [port number]
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тАО02-22-2010 04:13 AM
тАО02-22-2010 04:13 AM
Re: check open port
>I'm trying to change my current listener port no to something else but when I started the listener, there is no service registered after 1 minute.
You should investigate what is the reason why your daemon dies. Check your daemon's log (if any) and check the syslog file.
Some daemons exit when have nothing to do and must be re-started when needed.
Horia.
Horia.
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тАО02-22-2010 05:46 AM
тАО02-22-2010 05:46 AM
Re: check open port
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тАО02-22-2010 09:55 AM
тАО02-22-2010 09:55 AM
Re: check open port
You cannot change to a port no < 1024 as a non root user, i.e. oracle.
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тАО02-22-2010 12:35 PM
тАО02-22-2010 12:35 PM
Re: check open port
-RCP