Dell iDRAC: Difference between revisions
Created page with " == Setup Java Web Start == alt=iDRAC Network connection has been dropped|thumb|iDRAC Network connection has been dropped Install icedtea-web or the official JDK from oracle. Because the iDRAC uses RC4 for SSL/TLS, you will get an error "The viewer has terminated. Reason: The network connection has dropped." if you try to connect. To work around this, you will need to edit <code>/usr/java/jdk1.8.0_202-amd64/jre/lib/security/java.sec..." |
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Dealing with old Dell iDRACs is always fun. Here are some notes on how to get it working. | |||
== | == Troubleshooting == | ||
=== Network connection has dropped === | |||
[[File:IDRAC connection dropped.png|alt=iDRAC Network connection has been dropped|thumb|iDRAC Network connection has been dropped]] | [[File:IDRAC connection dropped.png|alt=iDRAC Network connection has been dropped|thumb|iDRAC Network connection has been dropped]] | ||
Install icedtea-web or the official JDK from oracle. Because the iDRAC uses RC4 for SSL/TLS, you will get an error "The viewer has terminated. Reason: The network connection has dropped." if you try to connect. To work around this, you will need to edit <code>/usr/java/jdk1.8.0_202-amd64/jre/lib/security/java.security</code> (change the java version as required) and edit <code>jdk.tls.disabledAlgorithms</code> to not include RC4. Save the file and try launching the java web start applet again. | Install icedtea-web or the official JDK from oracle. Because the iDRAC uses RC4 for SSL/TLS, you will get an error "The viewer has terminated. Reason: The network connection has dropped." if you try to connect. To work around this, you will need to edit <code>/usr/java/jdk1.8.0_202-amd64/jre/lib/security/java.security</code> (change the java version as required) and edit <code>jdk.tls.disabledAlgorithms</code> to not include RC4. Save the file and try launching the java web start applet again. | ||
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[[File:Java application blocked.png|alt=Java application blocked|thumb|Java application blocked]] | |||
=== Java application blocked === | |||
On an even older Dell iDRAC (version 2.2), when trying to launch the java web start application, I got an "Application Blocked by Java Security". | |||
To fix this, you need to open the Java security control panel by running <code>/usr/java/jdk1.8.0_202-amd64/jre/bin/ControlPanel</code>, go to the "Security" tab, and then click 'Edit Site List...'. Add your iDRAC's address into the exception list. For example, http://ipmi-nn1:80 or https://ipmi-nn1:443. | |||
Revision as of 23:04, 21 January 2022
Dealing with old Dell iDRACs is always fun. Here are some notes on how to get it working.
Troubleshooting
Network connection has dropped
Install icedtea-web or the official JDK from oracle. Because the iDRAC uses RC4 for SSL/TLS, you will get an error "The viewer has terminated. Reason: The network connection has dropped." if you try to connect. To work around this, you will need to edit /usr/java/jdk1.8.0_202-amd64/jre/lib/security/java.security (change the java version as required) and edit jdk.tls.disabledAlgorithms to not include RC4. Save the file and try launching the java web start applet again.
644 #jdk.tls.disabledAlgorithms=SSLv3, RC4, DES, MD5withRSA, DH keySize < 1024, \
645 # EC keySize < 224, 3DES_EDE_CBC, anon, NULL
646 jdk.tls.disabledAlgorithms=SSLv3, DES, MD5withRSA, DH keySize < 1024, \
647 EC keySize < 224, 3DES_EDE_CBC, anon, NULL
Java application blocked
On an even older Dell iDRAC (version 2.2), when trying to launch the java web start application, I got an "Application Blocked by Java Security".
To fix this, you need to open the Java security control panel by running /usr/java/jdk1.8.0_202-amd64/jre/bin/ControlPanel, go to the "Security" tab, and then click 'Edit Site List...'. Add your iDRAC's address into the exception list. For example, http://ipmi-nn1:80 or https://ipmi-nn1:443.