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Ubuntu Linux Security Hardening Tool - ToolWeb

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Ubuntu 24.04 Linux Security Hardening Tool

CIS Ubuntu 24.04 LTS STIG Benchmark Compliance

💰 Cost: 600 Gold Coins 🪙

🛡️ About This Tool

Based on CIS Ubuntu Linux 24.04 LTS STIG Benchmark v1.0.0
Generates automated hardening scripts and audit tools
Includes Bash scripts, Ansible playbooks, and detailed documentation
Rollback capabilities for safe implementation
Compliance with DoD STIG, CIS Benchmarks, and NIST standards

Note: Test in non-production thoroughly first. The generated scripts are reusable.

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System Audit & Integrity

Configure audit tools, integrity checking, and system monitoring

AIDE Audit Tool Integrity CAT IIAUTO Install and Configure AIDE CAT IIAUTO Install auditd Service CAT IIAUTO Enable auditd at Boot CAT IIAUTO Secure Audit Log Directory CAT IIAUTO Secure Audit Log Files CAT IIAUTO

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Account & Password Policies

Password complexity, account lockout, and session controls

Minimum Password Length (15 chars) CAT IIAUTO Password Complexity Requirements CAT IIAUTO Remember Last 5 Passwords CAT IIAUTO Account Lockout (3 attempts) CAT IIAUTO Session Timeout (15 minutes) CAT IIAUTO Disable Guest Account CAT IIAUTO

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File Permissions & Access Control

Secure critical system files and directories

Secure /etc/passwd Permissions CAT IIAUTO Secure /etc/shadow Permissions CAT IAUTO Secure /etc/group Permissions CAT IIAUTO Secure /etc/gshadow Permissions CAT IAUTO Secure GRUB Configuration CAT IAUTO Remove World-Writable Permissions CAT IIAUTO

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Network & SSH Security

SSH hardening, firewall, and network parameter tuning

Disable SSH Root Login CAT IAUTO SSH Protocol 2 Only CAT IAUTO Enable SSH Public Key Auth CAT IIAUTO Disable SSH Empty Passwords CAT IAUTO Enable UFW Firewall CAT IIAUTO Disable IP Forwarding CAT IIAUTO

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Kernel Parameters

Kernel security hardening via sysctl parameters

Enable ASLR (Address Space Randomization) CAT IIAUTO Enable ExecShield Protection CAT IIAUTO Disable ICMP Redirects CAT IIAUTO Enable SYN Cookies (DDoS Protection) CAT IIAUTO Disable Core Dumps CAT IIAUTO Disable Source Routing CAT IIAUTO

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Service Management

Disable unnecessary services and protocols

Disable Avahi Daemon CAT IIAUTO Disable CUPS (Print Service) CAT IIIAUTO Disable DHCP Server CAT IIAUTO Disable NFS Server CAT IIAUTO Remove Telnet Client CAT IAUTO Disable FTP Server CAT IAUTO

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Logging & Monitoring

System logging, monitoring, and audit configuration

Enable rsyslog Service CAT IIAUTO Secure Log File Permissions CAT IIAUTO Audit Privileged Commands CAT IIAUTO Audit File Deletion Events CAT IIAUTO Audit Network Connections CAT IIAUTO Audit User Login/Logout CAT IIAUTO

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System Maintenance

Updates, patches, and system maintenance policies

Enable Automatic Security Updates CAT IIAUTO Enable AppArmor CAT IIAUTO Configure Login Banner CAT IIIAUTO Remove Unnecessary Packages CAT IIAUTO Set Sticky Bit on /tmp CAT IIAUTO Disable USB Storage CAT IIIAUTO

✅ Linux Hardening Configuration Ready!

Your customized Ubuntu security hardening files are ready to download

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Bash Hardening Script

Complete hardening script ready to execute with root privileges

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Audit Script

Pre-implementation audit script to check current compliance status

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Ansible Playbook

Enterprise-ready Ansible playbook for automated deployment

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Documentation

Detailed HTML guide explaining each security setting and compliance

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Rollback Script

Safety script to revert changes if needed

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