How do I install the Cis Tomcat8 V110 4.9 skill?

Run npx skillmds@latest add cyberstrikeus/cis-tomcat8-v110-4-9 in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

What does the Cis Tomcat8 V110 4.9 skill do?

Restrict access to Tomcat catalina.policy (Scored) It is listed under Coding & Dev Tools on SkillMD.

Is Cis Tomcat8 V110 4.9 safe to use?

SkillMD's automated safety review verdict for this skill is PASS. Independent scanners report: SkillSpector: PASS, Skill Scanner: PASS. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Cis Tomcat8 V110 4.9?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Cis Tomcat8 V110 4.9 free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Cis Tomcat8 V110 4.9?

cyberstrikeus (@cyberstrikeus) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Cis Tomcat8 V110 4.9 by cyberstrikeus

Name: Cis Tomcat8 V110 4.9
Author: cyberstrikeus

File contents

Restrict access to Tomcat catalina.policy (Scored)

Description

The catalina.policy file is used to configure security policies for Tomcat. It is recommended that access to this file has the proper permissions to properly protect from unauthorized changes.

Rationale

Restricting access to this file will prevent local users from maliciously or inadvertently altering Tomcat's security policy.

Audit Procedure

Perform the following to determine if the ownership and permissions on $CATALINA_HOME/conf/catalina.policy are securely configured.

# cd $CATALINA_HOME/conf/
# find catalina.policy -follow -maxdepth 0 \( -perm /o+rwx,g+rwx,u+x -o ! -user tomcat_admin -o ! -group tomcat \) -ls

The above command should not produce any output.

Remediation

Perform the following to restrict access to $CATALINA_HOME/conf/catalina.policy.

Set the owner and group owner of the contents of $CATALINA_HOME/conf/catalina.policy to tomcat_admin:tomcat.

# chown tomcat_admin:tomcat $CATALINA_HOME/conf/catalina.policy

Set the permissions of the $CATALINA_HOME/conf/catalina.policy file to 600.

# chmod 600 $CATALINA_HOME/conf/catalina.policy

Default Value

The default permissions of catalina.policy are 600.

References

CIS Controls

v7:

14.6 Protect Information through Access Control Lists
- Protect all information stored on systems with file system, network share, claims, application, or database specific access control lists. These controls will enforce the principle that only authorized individuals should have access to the information based on their need to access the information as a part of their responsibilities.

Profile Applicability

Level 1

---name: cis-tomcat8-v110-4-9description: Restrict access to Tomcat catalina.policy (Scored)---# Restrict access to Tomcat catalina.policy (Scored)## DescriptionThe `catalina.policy` file is used to configure security policies for Tomcat. It is recommended that access to this file has the proper permissions to properly protect from unauthorized changes.## RationaleRestricting access to this file will prevent local users from maliciously or inadvertently altering Tomcat's security policy.## Audit ProcedurePerform the following to determine if the ownership and permissions on `$CATALINA_HOME/conf/catalina.policy` are securely configured.```bash# cd $CATALINA_HOME/conf/# find catalina.policy -follow -maxdepth 0 $ -perm /o+rwx,g+rwx,u+x -o ! -user tomcat_admin -o ! -group tomcat $ -ls```The above command should not produce any output.## RemediationPerform the following to restrict access to `$CATALINA_HOME/conf/catalina.policy`.1. Set the owner and group owner of the contents of `$CATALINA_HOME/conf/catalina.policy` to `tomcat_admin:tomcat`.```bash# chown tomcat_admin:tomcat $CATALINA_HOME/conf/catalina.policy```2. Set the permissions of the `$CATALINA_HOME/conf/catalina.policy` file to `600`.```bash# chmod 600 $CATALINA_HOME/conf/catalina.policy```## Default ValueThe default permissions of `catalina.policy` are `600`.## References1. https://tomcat.apache.org/tomcat-8.0-doc/security-howto.html2. https://tomcat.apache.org/tomcat-8.5-doc/security-howto.html## CIS Controls**v7:**- 14.6 Protect Information through Access Control Lists - Protect all information stored on systems with file system, network share, claims, application, or database specific access control lists. These controls will enforce the principle that only authorized individuals should have access to the information based on their need to access the information as a part of their responsibilities.## Profile Applicability- Level 1

Frequently asked questions

Cis Tomcat8 V110 4.9