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4.3.1.1 Ensure writesrv service is not in use

Information

The recommendation is to disable writesrv . This allows users to chat using the system write facility on a terminal.

writesrv allows users to chat using the system write facility on a terminal. The recommendation is that this service must be disabled.

Solution

Use the chitab command to disable the writesrv start-up script in /etc/inittab :

Note: Do not use the rmitab to remove the writesrv start-up script from /etc/inittab as it may return during a update.

/usr/sbin/chitab "writesrv:23456789:off:/usr/bin/startsrc -swritesrv"

Use stopsrc to ensure that writesrv is not running

/usr/bin/stopsrc -s writesrv

See Also

https://workbench.cisecurity.org/benchmarks/22751

Item Details

Category: CONFIGURATION MANAGEMENT

References: 800-53|CM-6, 800-53|CM-7, CSCv7|9.2

Plugin: Unix

Control ID: 77ebbc885361db4f327f9277984f9e937051369a4a30330e0f4fc1bc83570f9b