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remote dns restrictions details

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5 comments

  • cPanelMichael
    Hello, The purpose of this restriction is to prevent users from adding domain names that do not belong to them to their account. The name server IP addresses must match IP addresses added in the /etc/ips files on the cPanel server. As for why it's a potential security issue, let's say a user adds xyz.tld to their account. That domain name is then automatically added to the /etc/localdomains file and thus Exim views it as a local domain name. This could allow the account to intercept emails intended for a remote mail server. The following options are available under the "Domains" tab in "WHM >> Tweak Settings" if you want to disable this security feature: "Allow Remote Domains" "Allow unregistered domains" Thank you.
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  • gogocode
    > This could allow the account to intercept emails intended for a remote mail server. Yes, but as already stated, this restriction is being applied in WHM (Allow Remote Domains = false did not previously prohibit the action in WHM). In cPanel yes it is an understandable and necessary restriction, but not in WHM. And it is perplexing especially as if you have access to WHM you can achieve the same (adding a domain to localdomains) by simply creating a new account with that domain name, an action which is not (so far as I recall) limited by this restriction.
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  • cPanelMichael
    Could you verify which version of cPanel is installed on your system? EX:
    cat /usr/local/cpanel/version
    I see that internal case number 95493 addresses this issue for cPanel version 11.42, and I can't reproduce this on cPanel version 11.48. Thank you.
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  • gogocode
    Could you verify which version of cPanel is installed on your system?

    WHM says: 11.46.2 (build 4) So maybe this was fixed in .47 or .48? [url=http://imgur.com/1xg1iPn]]http://i.imgur.com/1xg1iPn.jpg
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  • cPanelMichael
    Hello, The change log shows the resolution was introduced in cPanel version 11.42.1.5. Is there anything in particular that is preventing you from upgrading to cPanel version 11.48 that we can help with? Thank you.
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