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Old 12-23-2011, 03:18 AM   #1
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port opening in RHEL 5

how to open the port in rhel 5 ( i want to open port 7001 )

thanks in advance
Sathish s
Old 12-23-2011, 03:36 AM   #2
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well, first you have to use a service that will listen on that port.

You don't specify which 'service' you're running (is it going to be SSH, FTP, vpn etc.) and what is the problem that you don't get port 7001 ?

You can probably open port with your firewall (maybe you're running IPTABLES ?) or temporarily stop firewall to test (# service iptables stop)?

When you're asking for help, specify what is the service you're having trouble with and what have you done so far,
this way you can get help, not just saying "how to open the port ..." (it's like you would go to a car mechanic and tell him that your car is not working ...? )
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Old 12-23-2011, 04:55 AM   #3
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weblogic is going to run in that port ,

i started weblogic server and opend the console by giving localhost:7001/console but it didnt work ,

telnet output says connection refused to that port (7001)

i tried with iptables

1)iptables -A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 7001 -j ACCEPT

2)/etc/init.d/iptables restart

after this also telnet didnt work to that port


Old 12-23-2011, 05:52 AM   #4
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i started weblogic server and opend the console by giving localhost:7001/console but it didnt work
If you are using "localhost:7001" then you must be using a web browser directly on the server, correct? If not, your problem is you shouldn't be using "localhost" but rather the IP address of the server.

The way you changed your IPtables rules is fundamentally wrong, because even though you may have opened the port on (1), you didn't save the rule set, so when you restarted iptables (2) you erased the fact that you added a rule.

Before changing your firewall though, your default IPtables rules will allow you to connect to localhost:{any} (assuming you are on the local console). So, because you said that didn't work, you should first check that there is a service listening on port 7001:
netstat -pantl |grep :7001
If the above doesn't return something listening on that port, then you need to go back and check your weblogic logs to find out why it is not.
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