Embedded Files
Debian OS facilitates the DNS server installation in its operating system. However, like all public facing DNS service, there are measures to be done in order to secure the server itself. This section guides you on how to secure DNS server.
Identified Threats
Identified Threats
These are the identified threats related to Debian software.
(T-82) DNS Server Opens to Everyone To Query By Default
(T-82) DNS Server Opens to Everyone To Query By Default
By default, DNS server, as always, configured to have everyone queries its information.
(T-83) DNS Server May Not Specify Its Version To Requester
(T-83) DNS Server May Not Specify Its Version To Requester
By default, DNS server may not respond its version number to requester.
(T-84) DNS Server User Management Is Not Configured
(T-84) DNS Server User Management Is Not Configured
By default, user management for DNS server is not configured specifically.
(T-85) DNS Server Can Alters Root System
(T-85) DNS Server Can Alters Root System
By default, DNS server has powerful access points that can affects the root system in the OS.
Actions Required
Actions Required
Here are the list if actions to counter the issues.
Harden DNS Server
Harden DNS Server
Since there are many DNS options available for hosting DNS Server,
That's all for hardening Debian by hardening email mailer.
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