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CIS Ubuntu 14.04 LTS - 2.2.16 Ensure rsync service is not enabled

DevOps & Security
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Verify that rsync service is disabled when not required

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Source SKILL.md: https://github.com/CyberStrikeus/CyberStrike/blob/HEAD/.cyberstrike/skill/CIS_benchmarks/Operating_Systems/Ubuntu/CIS_Ubuntu_Linux_14.04_LTS_Benchmark_v2.1.0/cis-ubuntu1404-v210-2-2-16/SKILL.md

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2.2.16 Ensure rsync service is not enabled (Scored)

Profile Applicability

  • Level 1 - Server
  • Level 1 - Workstation

Description

The rsyncd service can be used to synchronize files between systems over network links.

Rationale

The rsyncd service presents a security risk as it uses unencrypted protocols for communication.

Audit Procedure

Run the following command to verify that the rsync service is not enabled:

grep ^RSYNC_ENABLE /etc/default/rsync

Expected output:

RSYNC_ENABLE=false

Expected Result

The output should show RSYNC_ENABLE=false.

Remediation

Edit the /etc/default/rsync file and set RSYNC_ENABLE to false:

RSYNC_ENABLE=false

Default Value

rsync service is not enabled by default (RSYNC_ENABLE=false).

References

  • CIS Controls: 9.1 Limit Open Ports, Protocols, and Services

Profile

  • Level 1 - Server
  • Level 1 - Workstation