Archive for the tag 'IPC'

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D-Bus IPC Service (messagebus)

D-Bus IPC Service (messagebus)

D-Bus is an IPC mechanism that provides a common channel for inter-process communication.

If no services which require D-Bus are in use, disable this service:

# chkconfig messagebus off

A number of default services make use of D-Bus, including X Windows, Bluetooth, and Avahi. For security its recommended that D-Bus and all its dependencies be disabled unless there is a mission-critical need for them.

Stricter configuration of D-Bus is possible and documented in the man page dbus-daemon(1). D-Bus maintains two separate configuration files, located in /etc/dbus-1/, one for system-specific configuration and the other for session-specific configuration.