Build Apache HTTP Server and Wildfly on Oracle Linux 8

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[Certificate automatic renewal compatible version] Create with Oracle Cloud, Cloudflare and Let's Encrypt! HSTS preload compatible AP server cluster

Summary of this article

Install Apache HTTP Server and Wildfly (JBossAS) on Oracle Linux 8 on an OCI instance.


Build Wildfly

1. JDK installation

yum install -y java-1.8.0-openjdk.x86_64

2. Create a wildfly user

groupadd -r wildfly
useradd -r -g wildfly -d /opt/wildfly -s /sbin/nologin wildfly

3. Wildfly DL & Deployment

The URL to wget is as you like.

cd /opt
unzip -q
ln -s wildfly-20.0.1.Final wildfly

4. Wildfly startup confirmation

sh /opt/wildfly/bin/

2020-09-15 09:47:48,958 INFO  [](Controller Boot Thread) WFLYSRV0025: WildFly Full 20.0.1.Final (WildFly Core 12.0.3.Final) started in 13956ms - Started 314 of 580 services (370 services are lazy, passive or on-demand)

It seems that it started up safely. Press Ctrl + C to stop.

5. Start the systemd daemon

Since the script for starting the daemon is already prepared, you can start the daemon immediately by placing it.

mkdir -p /etc/wildfly
cp /opt/wildfly/docs/contrib/scripts/systemd/wildfly.conf /etc/wildfly/
vi /etc/wildfly/wildfly.conf

Edit the definition as necessary. I changed the bind address to>

cp /opt/wildfly/docs/contrib/scripts/systemd/ /opt/wildfly/bin/
chmod 744 /opt/wildfly/bin/
cp /opt/wildfly/docs/contrib/scripts/systemd/wildfly.service /etc/systemd/system/
chown -R wildfly /opt/wildfly*
systemctl daemon-reload
systemctl start wildfly
systemctl enable wildfly

6. Create a Wildfly admin user

You need to configure the admin user to tweak the Wildfly settings from the admin console.

cd /opt/wildfly/bin

I will omit the details, but please add the Management User according to the prompt. For more information, go to Official Documentation.

Build Apache HTTP Server

1. Install Apache HTTP Server

yum install -y httpd

2. Security measures

If you keep the default settings, there is a security risk, so correct it.

Delete default content

Eliminate unnecessary content such as welcome pages that are not normally published as much as possible.

cd /etc/httpd/conf.d
mv welcome.conf
mv autoindex.conf

Disabling the directory contents list display function

vi /etc/httpd/conf/httpd.conf

#Options Indexes FollowSymLinks
Options FollowSymLinks

Disable TRACE method

Disable the TRACE method as an XST countermeasure.

vi /etc/httpd/conf/httpd.conf

#Added to the end of the file
TraceEnable off

Disabling the version information display function

Do not include the web server version in the HTTP response header.

vi /etc/httpd/conf/httpd.conf

#Added to the end of the file
ServerTokens ProductOnly
ServerSignature off

Allow in-frame page display only within the same domain

As a countermeasure against clickjacking, add the X-Frame-Options header to the HTTP response header.

#Create a new file
vi /etc/httpd/conf.modules.d/headers.conf

#Added to the end of the file

Cooperation between Apache HTTP Server and Wildfly

Brings requests to Apache HTTP Server to Wildfly.

1. Reverse proxy settings

Direct access to port 80 to port 8080 (Wildfly's HTTP listener).

#Add new file
vi /etc/httpd/conf.modules.d/wildfly.conf

<VirtualHost *:80>
  ProxyPass /
  ProxyPassReverse /

2. Definition check & restart

Once this is done, test the definition file and restart Apache HTTP Server.

httpd -t
systemctl restart httpd

Operation check

Simply access port 80, like http \ //, and you'll be successful if you see the Wildfly welcome page.



LB of OCI supports SSL, and I tried to build backend communication with HTTP. If you try to use SSL on the Web / AP server, it will be complicated, so it is nice to be able to terminate with LB.

Reference: Apache's 10 basic security points to review before being attacked

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