Home > How To > Telnet Could Not Open Connection To The Host On Port 1521 Connect Failed

Telnet Could Not Open Connection To The Host On Port 1521 Connect Failed


Thanks. Could aliens colonize Earth without realizing humans are people too? Just install the oracle instantclient software and use the configuration wizard. Posted by Barnett at April 18, 2014 - 3:31 AM ©2016 Programering TechNet Products IT Resources Downloads Training Support Products Windows Windows Server System Center Browser   Office Office 365 Exchange http://webjak.net/how-to/how-to-open-htm-file.html

We tried following telnet commands on server but none of them worked. It manages all the traffic through one port. Tiger LiTiger Li TechNet Community Support

Monday, June 04, 2012 7:12 AM Reply | Quote Microsoft is conducting an online survey to understand your opinion of the Technet Web site. telnet: Unable to connect to remote host: Connection refused I would like to use Oracle with default port and I need to unblock it to use my Java application.

Telnet Could Not Open Connection To The Host On Port 1521 Connect Failed

Son's music tastes The Anti-Santa: Dealing with the Naughty List Colony on the moon - how fast can Santa deliver? share|improve this answer answered Apr 17 '09 at 22:46 Alnitak 219k44284357 1 The issue is that Oracle SQLNet, used by SQLPlus and other oracle network connection tools, isn't an ASCII Crossword Clue for ERECS Output the sign Is it possible to see animals from space?

We closed windows firewall and there is no antivirus software on server. All rights reserved. If anyone could help me understand how one uses telnet to test a connection to Oracle I would be grateful. How To Use Telnet Protocol For Checking Is A Service Up Perhaps I should have advised lsof -i -P to show numeric ports, but never mind: ncube-lm is 1521.

Then it executes the command netstat -a – n view, at this time has become the 1521 in front of the IP"". Telnet 1521 Connection Refused I have vnc running on port 5903, here is the netstat output for that: Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0* LISTEN 7173/Xtightvnc I open another station is also equipped with a Oracle and 1521 can be connected machine, To view the NETWORK\ADMIN\listener.ora file, The difference between a careful comparison of the two Oracle Big differences in GCC code generation when compiling as C++ vs C How to select a good sleeping bag liner Writing a recommendation letter for a student I reported for academic

Another common response is "connection refused". How To Test Oracle Database Connection From Linux Command Line Go to Solution 5 3 3 +1 4 Participants Duncan Roe(5 comments) LVL 34 Linux28 Oracle Database2 ahoffmann(3 comments) LVL 51 Linux17 Oracle Database2 johnsone(3 comments) LVL 34 Oracle Database34 Linux6 Thanks and Regards, Donald Wednesday, May 30, 2012 3:22 AM Reply | Quote 0 Sign in to vote Hi Donald, Thanks for posting here. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed

Telnet 1521 Connection Refused

Why is sinh(45°) not infinity? Could aliens colonize Earth without realizing humans are people too? Telnet Could Not Open Connection To The Host On Port 1521 Connect Failed I don't know how to do that for Oracle. Telnet To Oracle Port I asked another question about it here.

You wouldn't really be able to do anything with it, but it would confirm that oracle was up and listening. news Browse other questions tagged oracle telnet or ask your own question. I shut off vncserver and had netcat listen on port 5903. I know with MSSQL it uses port 1433 or something similar, and my service provider blocks connections to that port. Explain How To Send An Email Using Telnet

I am trying to set up an ssh tunnel to allow me to vnc to the system (but that isn't my question. If oracle was working, you'd get a connection. Check the did not start the firewall, Ping. have a peek at these guys I tried to telnet port 1080, but can be found, the only difference is that a port before is "", one is "".

There is nothing exist in event viewer, everything looks healthy. Test Oracle Connection Command Line Why is the movie called "Dirty Dancing"? Regards, 0 Comment Question by:valixpacc Facebook Twitter LinkedIn https://www.experts-exchange.com/questions/27790657/Port-1521-Open-but-no-connection-to-Oracle-in-Linux.htmlcopy LVL 34 Active today Best Solution byjohnsone I don't think you can solve it with firewall rules.

Covered by US Patent.

Also recommend you to check logs if you have any? Is there a non-medical name for the curve where index finger and thumb meet? I want to become a living god! Telnet Database How to change the shadow color in Blender Cycles?

The best way I found of doing this is by using connection manager. After the discovery of listener.ora lead, modified \product.2.0\db_1\NETWORK\ADMIN\listener.ora database recovery. Magento - Moving from Ip address to Domain Name SSH into many systems with passphrase-less RSA keys more hot questions question feed lang-sql about us tour help blog chat data legal check my blog All rights reserved.Newsletter|Contact Us|Privacy Statement|Terms of Use|Trademarks|Site Feedback current community blog chat Server Fault Meta Server Fault your communities Sign up or log in to customize your list.

What's this round token depicting a knight? Initiating Connect Scan at 09:58 Scanning localhost ( [65535 ports] Discovered open port 22/tcp on Connect Scan Timing: About 18.56% done; ETC: 10:01 (0:02:16 remaining) Connect Scan Timing: About 44.35% Related 16how do i reduce timeout on unix telnet on connection0Oracle Service Bus - Unix authorization over telnet3telnet a localhost0Problems connecting to Parallels Oracle DB with Telnet on MacOSX1telnet : could And we can not also telnet localhost 1521 port on server.

Microsoft Customer Support Microsoft Community Forums Windows Client   Sign in United States (English) Brasil (Português)Česká republika (Čeština)Deutschland (Deutsch)España (Español)France (Français)Indonesia (Bahasa)Italia (Italiano)România (Română)Türkiye (Türkçe)Россия (Русский)ישראל (עברית)المملكة العربية السعودية (العربية)ไทย (ไทย)대한민국 (한국어)中华人民共和国 Do SSDs reduce the usefulness of Databases Does a byte contain 8 bits, or 9? sudo iptables -I INPUT -i eth0 -p tcp --dport 1521 -j ACCEPT 4. A tutorial is available at https://www.linode.com/wiki/index.php/Configuring_IPtables_on_ubuntu_server share|improve this answer edited Nov 18 '13 at 23:02 answered Nov 18 '13 at 22:55 K7AAY 2,59211037 Hi, thank you for this answer.

The documentation is here: http://docs.oracle.com/cd/B28359_01/network.111/b28316/cman.htm 0 Message Author Comment by:valixpacc ID: 381865092012-07-14 Hello Experts, Thank you very much for your answers. What is an example of infinite dimensional subspace that is not closed? My vnc client then was able to establish a connnection and sit and wait for a response. Problem solving.

Connection manager is the easiest way to go. Not the answer you're looking for? The question remains what is blocking it and how to modify. asked 2 years ago viewed 4160 times Blog Stack Overflow Gives Back 2016 Related 1Localhost & local IP 80 port not working - connection failed in client PC3Using Virtualbox Bridge Networking

Looks like there is another port blocked by firewall. iptables lives in RAM, so you need to dump the existing data out to a file, a la: sudo iptables-save > /some/directory/your_rules.fw and during the booting process make sure iptables reads How to change the shadow color in Blender Cycles?