IP address related links in WHM throwing errors

meeven

• July 20, 2015 23:44

Apparently, the new server on which we were asked to upload a client site is on a NAT network. Or, perhaps that's relevant. But, after getting repeated 'Bad request' from a browser when trying to load the site, we changed the IP address of the site to the server's main, shared IP (instead of the second public IP which was shown as being NATted). Ever since, 'List Accounts' link in WHM fails to load the list of account on the server and shows an error message about a fatal error. Clicking on the message brings up a window with the following: Can't use an undefined value as a HASH reference at /usr/local/cpanel/Cpanel/NAT/Object.pm line 54. at /usr/local/cpanel/Cpanel/NAT/Object.pm line 54. Cpanel::NAT::Object::load_file(Cpanel::NAT::Object=HASH(0x43b6580)) called at /usr/local/cpanel/Cpanel/NAT/Object.pm line 27 Cpanel::NAT::Object::new("Cpanel::NAT::Object") called at /usr/local/cpanel/Cpanel/NAT.pm line 20 Cpanel::NAT::cpnat() called at /usr/local/cpanel/Cpanel/NAT.pm line 29 Cpanel::NAT::get_public_ip("180.179.58.114") called at whostmgr/bin/whostmgr4.pl line 380 main::listaccts() called at whostmgr/bin/whostmgr4.pl line 154
All the IP address related links in WHM bring up the same error. Meanwhile, the site continues to show 'Bad request' in the browser. I will be thankful if someone could help me with some suggestions for a fix.

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  24x7server

  • July 21, 2015 12:10

  Hello, I think your /var/cpanel/cpnat file is corrupted and may be due to that you are getting this issues, Can you please try to rebuild it with following command.
  /scripts/build_cpnat
  

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  cPanelMichael

  • July 21, 2015 14:36

  Hello :) Yes, please check to see if the following file exists: /var/cpanel/cpnat It should have been created during the initial setup of the server, but if not, you can try generating it via:
  /scripts/build_cpnat
  Ensure the account is assigned the private IP address after 1:1 NAT is enabled. Thank you.

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  meeven

  • July 22, 2015 05:14

  @24x7server and @cPanelMichael, thank you for the helpful suggestions. After some search on the forums, I found this post, which resolved the issue:

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  meeven

  • July 22, 2015 05:17

  Ensure the account is assigned the private IP address after 1:1 NAT is enabled.

  
  I just noticed this and it seems like an important tip. Does this mean that, on a NAT system, one has to assign each cPanel account the private IP address rather than the public IP/shared main IP of the server?

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  TerranceR

  • July 22, 2015 08:11

  Hello, When you add the IP Address(es) via the interface within WHM; if you are using 1:1 NAT you should add the Internal IP Address within WHM, cPanel will automatically make Apache use the appropriate IP from there

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