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USE flags

• command-args - Build support for specifying the command-line arguments from the Nagios/Icinga master. Make sure you understand the implications of this flag as it can be a security risk.
• selinux - !!internal use only!! Security Enhanced Linux support, this must be set by the selinux profile or breakage will occur
• ssl - Add support for SSL/TLS connections (Secure Socket Layer / Transport Layer Security)
• tcpd - Add support for TCP wrappers

Security Advisory