Configure Apache Virtual Hosts on Ubuntu 24.04

Step 1 – Create document root

mkdir -p /var/www/example.com/html
echo '
Works!
' > /var/www/example.com/html/index.html
chown -R www-data:www-data /var/www/example.com 2>/dev/null || chown -R apache:apache /var/www/example.com 2>/dev/null ||...

Enable TLS/SSL on Apache – AlmaLinux 9

Step 1 – Enable mod_ssl

dnf install -y mod_ssl && systemctl restart httpd

Step 2 – Generate self-signed certificate

openssl req -x509 -nodes -days 365 -newkey rsa:2048 \
    -keyout /etc/ssl/private/apache-selfsigned.key \
    -out /etc/ssl/certs/apache...

Enable TLS/SSL on Apache – Arch Linux

Step 1 – Enable mod_ssl

# Uncomment LoadModule ssl_module in httpd.conf
systemctl restart httpd

Step 2 – Generate self-signed certificate

openssl req -x509 -nodes -days 365 -newkey rsa:2048 \
    -keyout /etc/ssl/private/apache-selfsigned.key \
    -out...

Enable TLS/SSL on Apache – Debian 12

Step 1 – Enable mod_ssl

a2enmod ssl rewrite && systemctl restart apache2

Step 2 – Generate self-signed certificate

openssl req -x509 -nodes -days 365 -newkey rsa:2048 \
    -keyout /etc/ssl/private/apache-selfsigned.key \
    -out /etc/ssl/certs/apache-se...

Enable TLS/SSL on Apache – Gentoo Linux

Step 1 – Enable mod_ssl

# Add 'ssl' to APACHE2_OPTS in /etc/conf.d/apache2
rc-service apache2 restart

Step 2 – Generate self-signed certificate

openssl req -x509 -nodes -days 365 -newkey rsa:2048 \
    -keyout /etc/ssl/private/apache-selfsigned.key \...

Enable TLS/SSL on Apache – NetBSD 10

Step 1 – Enable mod_ssl

# SSL built-in
service apache restart

Step 2 – Generate self-signed certificate

openssl req -x509 -nodes -days 365 -newkey rsa:2048 \
    -keyout /etc/ssl/private/apache-selfsigned.key \
    -out /etc/ssl/certs/apache-selfsigned.cr...

Enable TLS/SSL on Apache – OpenBSD 7.5

Step 1 – Enable mod_ssl

# SSL built-in
rcctl restart apache2

Step 2 – Generate self-signed certificate

openssl req -x509 -nodes -days 365 -newkey rsa:2048 \
    -keyout /etc/ssl/private/apache-selfsigned.key \
    -out /etc/ssl/certs/apache-selfsigned.c...

Enable TLS/SSL on Apache – RHEL 9

Step 1 – Enable mod_ssl

dnf install -y mod_ssl && systemctl restart httpd

Step 2 – Generate self-signed certificate

openssl req -x509 -nodes -days 365 -newkey rsa:2048 \
    -keyout /etc/ssl/private/apache-selfsigned.key \
    -out /etc/ssl/certs/apache-self...

Enable TLS/SSL on Apache – Ubuntu 24.04

Step 1 – Enable mod_ssl

a2enmod ssl rewrite && systemctl restart apache2

Step 2 – Generate self-signed certificate

openssl req -x509 -nodes -days 365 -newkey rsa:2048 \
    -keyout /etc/ssl/private/apache-selfsigned.key \
    -out /etc/ssl/certs/apache...

Install Apache HTTP Server on AlmaLinux 9

Step 1 – Install

dnf install epel-release -y
dnf install -y httpd mod_ssl
systemctl enable --now httpd

Step 2 – Open firewall ports

firewall-cmd --permanent --add-service=http
firewall-cmd --permanent --add-service=https
firewall-cmd --reload

Step

Install Apache HTTP Server on Arch Linux

Step 1 – Install

pacman -Syu --noconfirm
pacman -S --noconfirm apache
systemctl enable --now httpd

Step 2 – Open firewall ports

ufw allow 80/tcp && ufw allow 443/tcp && ufw reload

Step 3 – Verify

curl -I http://localhost
apachectl -v

Main config...

Install Apache HTTP Server on Debian 12

Step 1 – Install

apt update && apt upgrade -y
apt install -y apache2
systemctl enable --now apache2

Step 2 – Open firewall ports

ufw allow 'Apache Full'
ufw reload

Step 3 – Verify

curl -I http://localhost
apachectl -v

Main config: /etc/apache2/a...

Install Apache HTTP Server on Gentoo Linux

Step 1 – Install

emerge --sync
emerge --ask www-servers/apache
rc-update add apache2 default
rc-service apache2 start

Step 2 – Open firewall ports

iptables -A INPUT -p tcp --dport 80 -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -j ACCEPT

Step 3

Install Apache HTTP Server on NetBSD 10

Step 1 – Install

pkgin update
pkgin install apache24
echo 'apache=YES' >> /etc/rc.conf
service apache start

Step 2 – Open firewall ports

# configure NPF for ports 80 and 443

Step 3 – Verify

curl -I http://localhost
apachectl -v

Main config: /usr...

Install Apache HTTP Server on OpenBSD 7.5

Step 1 – Install

pkg_add apache-httpd
rcctl enable apache2
rcctl start apache2

Step 2 – Open firewall ports

# /etc/pf.conf: pass in on egress proto tcp to port { 80 443 }
pfctl -f /etc/pf.conf

Step 3 – Verify

curl -I http://localhost
apachectl -v...

Install Apache HTTP Server on RHEL 9

Step 1 – Install

subscription-manager repos --enable codeready-builder-for-rhel-9-$(arch)-rpms
dnf install -y httpd mod_ssl
systemctl enable --now httpd

Step 2 – Open firewall ports

firewall-cmd --permanent --add-service=http
firewall-cmd --permanent --ad...

Install Apache HTTP Server on Ubuntu 24.04

Step 1 – Install

apt update && apt upgrade -y
apt install -y apache2
systemctl enable --now apache2

Step 2 – Open firewall ports

ufw allow 'Apache Full'
ufw reload

Step 3 – Verify

curl -I http://localhost
apachectl -v

Main config: /etc/apache...

Install ModSecurity WAF on Apache – AlmaLinux 9

Step 1 – Install

dnf install -y mod_security
systemctl restart httpd

Step 2 – Enable detection mode

cp /etc/modsecurity/modsecurity.conf-recommended /etc/modsecurity/modsecurity.conf 2>/dev/null || \
   cp /usr/share/doc/libapache2-mod-security...

Install ModSecurity WAF on Apache – Arch Linux

Step 1 – Install

pacman -S --noconfirm mod_security
systemctl restart httpd

Step 2 – Enable detection mode

cp /etc/modsecurity/modsecurity.conf-recommended /etc/modsecurity/modsecurity.conf 2>/dev/null || \
   cp /usr/share/doc/libapache2-mod-se...

Install ModSecurity WAF on Apache – Debian 12

Step 1 – Install

apt install -y libapache2-mod-security2
a2enmod security2
systemctl restart apache2

Step 2 – Enable detection mode

cp /etc/modsecurity/modsecurity.conf-recommended /etc/modsecurity/modsecurity.conf 2>/dev/null || \
   cp /usr/sha...

Install ModSecurity WAF on Apache – Gentoo Linux

Step 1 – Install

emerge --ask www-apache/mod_security
rc-service apache2 restart

Step 2 – Enable detection mode

cp /etc/modsecurity/modsecurity.conf-recommended /etc/modsecurity/modsecurity.conf 2>/dev/null || \
   cp /usr/share/doc/libapache2...

Install ModSecurity WAF on Apache – NetBSD 10

Step 1 – Install

pkgin install ap2-mod_security2

Step 2 – Enable detection mode

cp /etc/modsecurity/modsecurity.conf-recommended /etc/modsecurity/modsecurity.conf 2>/dev/null || \
   cp /usr/share/doc/libapache2-mod-security2/examples/modsecurity...

Install ModSecurity WAF on Apache – OpenBSD 7.5

Step 1 – Install

pkg_add ap2-mod_security2

Step 2 – Enable detection mode

cp /etc/modsecurity/modsecurity.conf-recommended /etc/modsecurity/modsecurity.conf 2>/dev/null || \
   cp /usr/share/doc/libapache2-mod-security2/examples/modsecurity.con...

Install ModSecurity WAF on Apache – RHEL 9

Step 1 – Install

dnf install -y mod_security
systemctl restart httpd

Step 2 – Enable detection mode

cp /etc/modsecurity/modsecurity.conf-recommended /etc/modsecurity/modsecurity.conf 2>/dev/null || \
   cp /usr/share/doc/libapache2-mod-security2/exa...