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‎UOS_server_REDAME.md‎

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# harbian-audit with the UOS server deploy
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## Introduction
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This release only support UOS server V20.
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## Usage
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### Pre-Install
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```
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# apt-get install -y bc net-tools pciutils network-manager
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```
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### Start harbian-audit
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```console
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$ git clone https://github.com/hardenedlinux/harbian-audit.git && cd harbian-audit
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# cp etc/default.cfg /etc/default/cis-hardening
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# sed -i "s#CIS_ROOT_DIR=.*#CIS_ROOT_DIR='$(pwd)'#" /etc/default/cis-hardening
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# bin/hardening.sh --init
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# bin/hardening.sh --audit-all
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hardening [INFO] Treating /home/test/harbian-audit/bin/hardening/1.1_install_updates.sh
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1.1_install_updates [INFO] Working on 1.1_install_updates
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1.1_install_updates [INFO] Checking Configuration
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1.1_install_updates [INFO] Performing audit
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1.1_install_updates [INFO] Checking if apt needs an update
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1.1_install_updates [INFO] Fetching upgrades ...
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1.1_install_updates [ OK ] No upgrades available
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1.1_install_updates [ OK ] Check Passed
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[...]
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################### SUMMARY ###################
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Total Available Checks : 272
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Total Runned Checks : 272
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Total Passed Checks : [ 240/272 ]
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Total Failed Checks : [ 32/272 ]
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Enabled Checks Percentage : 100.00 %
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Conformity Percentage : 88.24 %
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# bin/hardening.sh --set-hardening-level 5
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# sed -i 's/^status=.*/status=disabled/' etc/conf.d/7.4.4_hosts_deny.cfg
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# sed -i 's/^status=.*/status=disabled/' etc/conf.d/8.1.32_freeze_auditd_conf.cfg
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# sed -i 's/^status=.*/status=disabled/' etc/conf.d/8.4.1_install_aide.cfg
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# sed -i 's/^status=.*/status=disabled/' etc/conf.d/8.4.2_aide_cron.cfg
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# sed -i 's/^status=.*/status=disabled/' etc/conf.d/9.5_pam_restrict_su.cfg
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# bin/hardening.sh --apply
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hardening [INFO] Treating /home/test/harbian-audit/bin/hardening/1.1_install_updates.sh
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1.1_install_updates [INFO] Working on 1.1_install_updates
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1.1_install_updates [INFO] Checking Configuration
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1.1_install_updates [INFO] Performing audit
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1.1_install_updates [INFO] Checking if apt needs an update
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1.1_install_updates [INFO] Fetching upgrades ...
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1.1_install_updates [ OK ] No upgrades available
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1.1_install_updates [INFO] Applying Hardening
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1.1_install_updates [ OK ] No Upgrades to apply
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1.1_install_updates [ OK ] Check Passed
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[...]
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# sed -i 's/^status=.*/status=enabled/' etc/conf.d/8.1.32_freeze_auditd_conf.cfg
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# sed -i 's/^status=.*/status=enabled/' etc/conf.d/8.4.1_install_aide.cfg
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# sed -i 's/^status=.*/status=enabled/' etc/conf.d/8.4.2_aide_cron.cfg
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# ./bin/hardening.sh --apply --only 8.4.1
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# ./bin/hardening.sh --apply --only 8.4.2
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# ./bin/hardening.sh --apply --only 8.1.32
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```
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## After remediation (Very important)
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When exec --apply and set-hardening-level are set to 5 (the highest level), you need to do the following:
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1) When applying 9.5(Restrict Access to the su Command), you must use the root account to log in to the OS because ordinary users cannot perform subsequent operations.
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If you can only use ssh for remote login, you must use the su command when the normal user logs in. Then do the following:
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```
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# sed -i '/^[^#].*pam_wheel.so.*/s/^/# &/' /etc/pam.d/su
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```
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Temporarily comment out the line containing pam_wheel.so. After you have finished using the su command, please uncomment the line.
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2) When applying 7.4.4_hosts_deny.sh, the OS cannot be connected through the ssh service, so you need to set allow access host list on /etc/hosts.allow, example:
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```
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# echo "ALL: 192.168.1. 192.168.5." >> /etc/hosts.allow
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```
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This example only allows 192.168.1.[1-255] 192.168.5.[1-255] to access this system. Need to be configured according to your situation.
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3) Set capabilities for usual user, example(user name is test):
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```
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# sed -i "/^root/a\test ALL=(ALL:ALL) ALL" /etc/sudoers
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```
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4) Set basic firewall rules
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Set the corresponding firewall rules according to the applications used. HardenedLinux community for Debian GNU/Linux basic firewall rules:
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Iptabels format rules:
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[etc.iptables.rules.v4.sh](https://github.com/hardenedlinux/harbian-audit/blob/master/docs/configurations/etc.iptables.rules.v4.sh)
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to do the following:
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```
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$ INTERFACENAME="your network interfacename(Example eth0)"
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# bash docs/configurations/etc.iptables.rules.v4.sh $INTERFACENAME
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# iptables-save > /etc/iptables/rules.v4
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# ip6tables-save > /etc/iptables/rules.v6
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```
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5) Config grub2 password protection
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[Config grub2 password protection](https://github.com/hardenedlinux/harbian-audit/blob/master/docs/configurations/manual-operation-docs/how_to_config_grub2_password_protection.mkd)
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## Special Note
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Some check items check a variety of situations and are interdependent, they must be applied (fix) multiple times, and the OS must be a reboot after each applies (fix).
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### Items that must be applied after the first application(reboot after is better)
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8.1.32 Because this item is set, the audit rules will not be added.
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### Items that must be applied after all application is ok
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8.4.1
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8.4.2
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These are all related to the aide. It is best to fix all the items after they have been fixed to fix the integrity of the database in the system.
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### Items that need to be fix twice
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8.1.1.2
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8.1.1.3
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8.1.12
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4.5
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## Document
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### Harbian-audit benchmark for Debian GNU/Linux 9
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This document is a description of the additions to the sections not included in the [CIS reference documentation](https://benchmarks.cisecurity.org/downloads/show-single/index.cfm?file=debian8.100). Includes STIG reference documentation and additional checks recommended by the HardenedLinux community.
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[CIS Debian GNU/Linux 8 Benchmark v1.0.0](https://benchmarks.cisecurity.org/downloads/show-single/index.cfm?file=debian8.100)
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[CIS Debian GNU/Linux 9 Benchmark v1.0.0](https://benchmarks.cisecurity.org/downloads/show-single/index.cfm?file=debian8.100)
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[harbian audit Debian Linux 9 Benchmark](https://github.com/hardenedlinux/harbian-audit/blob/master/docs/harbian_audit_Debian_9_Benchmark_v0.1.mkd)
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## harbian-audit License
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GPL 3.0
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## OVH Disclaimer
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This project is a set of tools. They are meant to help the system administrator
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built a secure environment. While we use it at OVH to harden our PCI-DSS compliant
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infrastructure, we can not guarantee that it will work for you. It will not
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magically secure any random host.
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Additionally, quoting the License:
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> THIS SOFTWARE IS PROVIDED BY OVH SAS AND CONTRIBUTORS ``AS IS'' AND ANY
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> EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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> WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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> DISCLAIMED. IN NO EVENT SHALL OVH SAS AND CONTRIBUTORS BE LIABLE FOR ANY
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> DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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> (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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> LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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> ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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> (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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> SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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## OVH License
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3-Clause BSD
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## Reference
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- **Center for Internet Security**: [https://www.cisecurity.org](https://www.cisecurity.org)
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- **STIG V1R4**: [https://iasecontent.disa.mil/stigs/zip/U_Red_Hat_Enterprise_Linux_7_V1R4_STIG.zip](https://iasecontent.disa.mil/stigs/zip/U_Red_Hat_Enterprise_Linux_7_V1R4_STIG.zip)
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- **Firewall Rules**: [https://github.com/citypw/arsenal-4-sec-testing/blob/master/bt5_firewall/debian_fw](https://github.com/citypw/arsenal-4-sec-testing/blob/master/bt5_firewall/debian_fw)
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- **harbian-audit Readme**: [https://github.com/hardenedlinux/harbian-audit/blob/master/README.md](https://github.com/hardenedlinux/harbian-audit/blob/master/README.md)

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