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TASK_35-PAM_Authentication_For_Apache.sh
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TASK_35-PAM_Authentication_For_Apache.sh
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Start 2020-09-06 || 11:12 PM
Finished 2020-09-07 || 12:48 AM
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TASK 35 - PAM Authentication For Apache
REQUIREMENTS:
The document root /var/www/html of all web apps is on NFS share /data on storage server in Stratos Datacenter.
We have a requirement where we want to password protect a directory in the Apache web server document root.
We want to password protect http://<website-url>:<apache_port>/protected URL as per the following requirements
(you can use any website-url for it like localhost since there are no such specific requirements as of now):
a. We want to use basic authentication.
b. We do not want to use htpasswd file base authentication. Instead, we want to use PAM authentication, i.e Basic Auth + PAM so that we can authenticate with a Linux user.
c. We already have a user ammar with password LQfKeWWxWD which you need to provide access to.
d. You can access the website on LBR link. To do so click on the + button on top of your terminal, select Select port to view on Host 1, and after adding port 80 click on Display Port.
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CONTENT:
I. REFERENCES
II. STEPS - SUMMARY
III. COMMANDS USED
IV. STEPS - BREAKDOWN
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I. REFERENCES
https://www.server-world.info/en/note?os=CentOS_7&p=httpd&f=10
https://community.kodekloud.com/t/how-to-complete-the-pam-authentication-task/1228/48
https://community.kodekloud.com/t/pam-authentication-for-apache-question/5091/6
https://community.kodekloud.com/t/pam-authentication-for-apache-probable-issue-with-lbr-link/5730/15
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II. STEPS - SUMMARY
# 1. SSH into the jump server, Storage Server, App server 1, App server 2, and App server 3 and switch
# to root.
# 2. All configurations are done on the App servers.
# Install and enable the required packages for Basic + PAM authentication
# 3. Modify the /etc/httpd/conf.d/authnz_external.conf file to add the directory and
# aattributes.
# 4. Enable, restart, and verify the status of appache (httpd) afterwards.
# As an additional verification, check the /etc/httpd/conf/httpd.conf file for the documentroot.
# 5. To test if authentication is working, access the website on LBR link. Click on the + button on top
# of terminal, select Select port to view on Host 1, and after adding port 80 click on Display Port.
# This should display the testpage.
# 6. On the testpage, add /protected on the URL. This should prompt you to enter a username and password.
# After entering the username/pw provided, page should display 'This is KodeKloud protected directory'
# 7. As an additional verification, use curl commands on the App Servers.
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III. COMMANDS USED
# 1. SSH into the jump server, Storage Server, App server 1, App server 2, and App server 3 and switch
# to root.
sudo su -
******
sshpass -p '******' ssh -o StrictHostKeyChecking=no tony@172.16.238.10
sudo su -
******
sshpass -p '******' ssh -o StrictHostKeyChecking=no steve@172.16.238.11
sudo su -
******
sshpass -p '******' ssh -o StrictHostKeyChecking=no banner@172.16.238.12
sudo su -
******
# 2. All configurations are done on the App servers.
# Install and enable the required packages for Basic + PAM authentication.
yum --enablerepo=epel -y install mod_authnz_external pwauth
# 3. Modify the /etc/httpd/conf.d/authnz_external.conf file to add the directory and
# attributes.
vi /etc/httpd/conf.d/authnz_external.conf
<Directory /var/www/html/protected>
AuthType Basic
AuthName "PAM Authentication"
AuthBasicProvider external
AuthExternal pwauth
require valid-user
</Directory>
# 4. Enable, restart, and verify the status of appache (httpd) afterwards.
systemctl enable httpd && systemctl start httpd && systemctl status httpd
# As an additional verification, check the /etc/httpd/conf/httpd.conf file for the documentroot.
cat /etc/httpd/conf/httpd.conf | grep -i documentroot
# DocumentRoot: The directory out of which you will serve your
DocumentRoot "/var/www/html"
# access content that does not live under the DocumentRoot.
# 5. To test if authentication is working, access the website on LBR link. Click on the + button on top
# of terminal, select Select port to view on Host 1, and after adding port 80 click on Display Port.
# This should display the testpage.
# 6. On the testpage, add /protected on the URL. This should prompt you to enter a username and password.
# After entering the username/pw provided, page should display 'This is KodeKloud protected directory'
# 7. As an additional verification, use curl commands on the App Servers.
curl http://stapp01:8080/protected/index.html
curl -u ammar:LQfKeWWxWD http://stapp01:8080/protected/
curl -u ammar:LQfKeWWxWD http://stapp01:8080/protected/index.html
curl -u ammar:LQfKeWWxWD http://localhost:8080/protected/
curl http://stapp02:8080/protected/index.html
curl -u ammar:LQfKeWWxWD http://stapp02:8080/protected/
curl -u ammar:LQfKeWWxWD http://stapp02:8080/protected/index.html
curl -u ammar:LQfKeWWxWD http://localhost:8080/protected/index.html
curl -u ammar:LQfKeWWxWD http://localhost:8080/protected/
curl http://stapp03:8080/protected/index.html
curl -u ammar:LQfKeWWxWD http://stapp03:8080/protected/
curl -u ammar:LQfKeWWxWD http://stapp03:8080/protected/index.html
curl -u ammar:LQfKeWWxWD http://localhost:8080/protected/
curl -u ammar:LQfKeWWxWD http://stlb01:8080/protected/
curl http://stlb01:8080/protected/
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IV. STEPS - BREAKDOWN
# Please see SF for the scrapes for the App Server 1.
# Note that the scrape for App server 1 is the same for App Server 2 and App Server 3.
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