cis-ubuntu1204-v110-6-13

DevOps & Security

Ensure HTTP Proxy Server is not enabled

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I want to install this Agent Skill for this project in Codex.

Source SKILL.md: https://github.com/CyberStrikeus/CyberStrike/blob/HEAD/.cyberstrike/skill/CIS_benchmarks/Operating_Systems/Ubuntu/CIS_Ubuntu_12.04_LTS_Server_Benchmark_v1.1.0/cis-ubuntu1204-v110-6-13/SKILL.md

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Copying this prompt does not install or run the skill. Review third-party files before use. Codex skill guide

6.13 Ensure HTTP Proxy Server is not enabled (Not Scored)

Profile Applicability

Level 1

Description

Squid is a standard proxy server used in many distributions and environments.

Rationale

If there is no need for a proxy server, it is recommended that the squid proxy be deleted to reduce the potential attack surface.

Audit Procedure

Using Command Line

Ensure no start conditions listed for squid3:

initctl show-config squid3 squid3

Expected Result

No start conditions should be listed for squid3.

Remediation

Using Command Line

Remove or comment out start lines in /etc/init/squid3.conf:

sed -i 's/^start/#start/' /etc/init/squid3.conf

Default Value

Not installed by default on Ubuntu 12.04 LTS Server.

References

CIS Ubuntu 12.04 LTS Server Benchmark v1.1.0

Profile

Level 1 - Not Scored