echo "$client revoked!" ./easyrsa --batch --days=3650 gen-crl if readlink /proc/$$/exe | grep -q "dash"; then Run sudo apt-get install openvpn to install the OpenVPN package. WebReview the standard INSTALL file included in the source distribution of OpenVPN 2.3 This script will let you set up your own VPN server in no more than a minute, even if you haven't used OpenVPN before. cd /etc/openvpn/server/easy-rsa/ hash iptables 2>/dev/null; then ip=$(ip -4 addr | grep inet | grep -vE '127(\. echo OpenVPN Access Server using LDAP for Active Directory. until [[ -z "$protocol" || "$protocol" =~ ^[12]$ ]]; do echo "The client configuration is available in:" ~/"$client.ovpn" echo "Which IPv4 address should be used?" echo " 1) Current system resolvers" exit [0-9]{1,3}){3}$' <<< "$(wget -T 10 -t 1 -4qO- "http://ip1.dynupdate.no-ip.com/" || curl -m 10 -4Ls "http://ip1.dynupdate.no-ip.com/")") echo "" echo "$option: invalid selection." fi The Performance Of Arch Linux Powered CachyOS - Phoronix. echo done dnf install -y openvpn openssl ca-certificates tar $firewall echo "The system is running an old kernel, which is incompatible with this installer." WebHere you will find a complete list of release notes for all releases of OpenVPN Access Server. firewall-cmd --direct --add-rule ipv6 nat POSTROUTING 0 -s fddd:1194:1194:1194::/64 ! ;; ExecStop=$ip6tables_path -D FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT" >> /etc/systemd/system/openvpn-iptables.service echo 1 > /proc/sys/net/ipv4/ip_forward Nginx and Apache, Mysql, Subversion, Linux, Ubuntu, web hosting, web server, Squid proxy, NFS, FTP, DNS, Samba, LDAP, OpenVPN, Haproxy, Amazon web services, WHMCS, OpenStack Cloud, Postfix Mail Server, Security etc. else persist-key elif [[ -e /etc/fedora-release ]]; then yum install -y epel-release The procedure to install Docker is as follows: Open the terminal application or login to the remote box using ssh command: ssh user@remote-server-name; Type the following command to install Docker via yum provided by Red Hat: sudo yum install docker; Type the following command to install the latest version of Docker CE (community edition): # Create a service to set up persistent iptables rules if ! ip -6 addr | grep 'inet6 [23]' | cut -d '/' -f 1 | grep -oE '([0-9a-fA-F]{0,4}:){1,7}[0-9a-fA-F]{0,4}' | nl -s ') ' It builds heavily on D-Bus and allows 4) [y/N]: " remove cert server.crt rm -f /etc/systemd/system/openvpn-server@server.service.d/disable-limitnproc.conf -----END DH PARAMETERS-----' > /etc/openvpn/server/dh.pem [0-9]{1,3}){3}' | sed -n "$ip_number"p) Available for Red Hat Enterprise Linux, CentOS, Ubuntu, or Debian directly from our official repository. if [[ "$number_of_clients" = 0 ]]; then [0-9]{1,3}){3}') until [[ -z "$dns" || "$dns" =~ ^[1-6]$ ]]; do protocol=$(grep '^proto ' /etc/openvpn/server/server.conf | cut -d " " -f 2) First expand the .tar.gz file: tar xfz openvpn-[version].tar.gz Then cd to the top-level directory and type: ./configure make make install Windows Notes. semanage port -d -t openvpn_port_t -p "$protocol" "$port" semanage port -a -t openvpn_port_t -p "$protocol" "$port" rm -rf /etc/openvpn/server # Else, OS must be Fedora Built around the open source OpenVPN core, Access Server simplifies the rapid deployment of your VPN. # Create the DH parameters file using the predefined ffdhe2048 group echo read -p "IPv6 address [1]: " ip6_number fi os="debian" read -p "Confirm $client revocation? Webwireguard-install. echo "Which IPv6 address should be used?" ip6tables_path=$(command -v ip6tables) ;; LimitNPROC=infinity" > /etc/systemd/system/openvpn-server@server.service.d/disable-limitnproc.conf echo "$ip6_number: invalid selection." ;; Install OpenVPN on Debian 11. number_of_clients=$(tail -n +2 /etc/openvpn/server/easy-rsa/pki/index.txt | grep -c "^V") echo "This server is behind NAT. -d fddd:1194:1194:1194::/64 -j SNAT --to "$ip6" -d 10.8.0.0/24 -j SNAT --to "$ip" Access Server, our self-hosted solution, simplifies the rapid deployment of a secure remote access solution with a web-based graphic user interface and built-in OpenVPN Connect Client installer. echo -d 10.8.0.0/24 -j SNAT --to "$ip" ip6=$(ip -6 addr | grep 'inet6 [23]' | cut -d '/' -f 1 | grep -oE '([0-9a-fA-F]{0,4}:){1,7}[0-9a-fA-F]{0,4}') os="centos" fi 3. read -p "Client: " client_number ip=$(firewall-cmd --direct --get-rules ipv4 nat POSTROUTING | grep '\-s 10.8.0.0/24 '"'"'!'"'"' Others are considered under development and # CentOS 8 or Fedora echo 'push "dhcp-option DNS 8.8.8.8"' >> /etc/openvpn/server/server.conf Register for webinar: ZTNA is the New VPN, Get in touch with our technical support engineers, We have a pre-configured, managed solution with three free connections. # We don't use --add-service=openvpn because that would only work with 4) done Update . WebVersion Tags. For full details see the release notes. apt-get install -y wget read -p "Protocol [1]: " protocol echo 1 > /proc/sys/net/ipv6/conf/all/forwarding sed -ne '/BEGIN CERTIFICATE/,$ p' /etc/openvpn/server/easy-rsa/pki/issued/"$client".crt How to mirror selecting repositories locally on the server; How to configure the Linux client to use the local repository server; As a first step we need to install the Apache HTTP Server which is under the package named apache2, with the command: How to setup a OpenVPN server on Ubuntu 20.04; For security, it's a good idea to check the file release signature after downloading. number_of_ip6=$(ip -6 addr | grep -c 'inet6 [23]') Check VPN Tunnel Interface Step 2: Setup OpenVPN Clients in Ubuntu. ca ca.crt remote-cert-tls server echo 'push "block-outside-dns"' >> /etc/openvpn/server/server.conf Heres a quick overview of the process of looking up a user: The user authenticates with OpenVPN Access echo " 2) Revoke an existing client" read -p "Confirm OpenVPN removal? get_public_ip=$(grep -m 1 -oE '^[0-9]{1,3}(\. # Using both permanent and not permanent rules to avoid a firewalld Since I will installing on Ubunutu, the installation is fairly straightforward: Open up a terminal window. rm -f /etc/systemd/system/openvpn-iptables.service done fi It has been designed to be as unobtrusive and universal as possible. if systemctl is-active --quiet firewalld.service; then firewall-cmd --permanent --zone=trusted --remove-source=fddd:1194:1194:1194::/64 ExecStart=$iptables_path -I FORWARD -s 10.8.0.0/24 -j ACCEPT if [[ "$remove" =~ ^[yY]$ ]]; then echo "ExecStart=$ip6tables_path -t nat -A POSTROUTING -s fddd:1194:1194:1194::/64 ! -d fddd:1194:1194:1194::/64 -j SNAT --to "$ip6" rm -f /etc/sysctl.d/99-openvpn-forward.conf We can also change drivers without the use of the X GUI/Windows desktop. done chown nobody:"$group_name" /etc/openvpn/server/crl.pem In another words, we'll deploy Wireguard Docker container. echo "This installer needs to be run with superuser privileges." firewall-cmd --permanent --zone=trusted --add-source=fddd:1194:1194:1194::/64 echo "The system does not have the TUN device available. -d fddd:1194:1194:1194::/64 -j SNAT --to $ip6 # If system has a single IPv6, it is selected automatically Installation -d 10.8.0.0/24 -j SNAT --to "$ip" grep -v '^#\|^;' "$resolv_conf" | grep '^nameserver' | grep -v '127.0.0.53' | grep -oE '[0-9]{1,3}(\. esac WebNew: wireguard-install is also available. firewall-cmd --zone=trusted --remove-source=10.8.0.0/24 echo " 4) OpenDNS" firewall-cmd --zone=trusted --add-source=10.8.0.0/24 echo "keepalive 10 120 # This option could be documented a bit better and maybe even be simplified systemctl enable --now openvpn-server@server.service read -p "Name: " unsanitized_client read -p "Public IPv4 address / hostname: " public_ip # Enable net.ipv4.ip_forward for the system ;; Configuration available in:" ~/"$client.ovpn" echo "Finished!" firewall-cmd --direct --remove-rule ipv4 nat POSTROUTING 0 -s 10.8.0.0/24 ! echo "$client_number: invalid selection." For Ubuntu Gnome users, install: [networkmanager-openvpn-gnome] [sudo apt install openvpn networkmanager-openvpn-gnome] From your server, download the following VPN configuration file, where it'll land in your Downloads folder as usual. echo 'push "dhcp-option DNS 208.67.222.222"' >> /etc/openvpn/server/server.conf # Generate server.conf user nobody Take full control by installing OpenVPN on your server. resolv_conf="/run/systemd/resolve/resolv.conf" WebInstall your Access Server package using the OpenVPN repository. ssbzSibBsu/6iGtCOGEoXJf//////////wIBAg== WebBackground. done # Using both permanent and not permanent rules to avoid a firewalld reload. Access Server 2.11.1 introduces a PAS only authentication method for custom authentication scripting, adds Red Hat 9 support, and adds additional SAML functionality. # Needed for systems running systemd-resolved verb 3" > /etc/openvpn/server/client-common.txt [y/N]: " revoke else auth SHA512 The names of these two packages that need installing next may vary from distro to distro. echo "$client revocation aborted!" echo crl-verify crl.pem" >> /etc/openvpn/server/server.conf Now its time to set up your OpenVPN client and connect it to the VPN server. read -p "IPv4 address [1]: " ip_number read -p "Name: " unsanitized_client # If firewalld was just installed, enable it iptables_path=$(command -v iptables) WireGuard road warrior installer for Ubuntu, Debian, AlmaLinux, Rocky Linux, CentOS and Fedora. # CRL is read with each client connection, while OpenVPN is dropped to nobody Run ubuntu-22.04-lts-vpn-server.sh to install OpenVPN server. else exit Needed when running from an one-liner which includes a newline echo "$revoke: invalid selection." port=$(grep '^port ' /etc/openvpn/server/server.conf | cut -d " " -f 2) latest tag usually provides the latest stable version. read -p "Public IPv4 address / hostname [$get_public_ip]: " public_ip This version of Ubuntu is too old and unsupported." firewall-cmd --permanent --direct --remove-rule ipv6 nat POSTROUTING 0 -s fddd:1194:1194:1194::/64 ! if grep -qs "server-ipv6" /etc/openvpn/server/server.conf; then if echo "$ip" | grep -qE '^(10\.|172\.1[6789]\.|172\.2[0-9]\.|172\.3[01]\.|192\.168)'; then Webwireguard-install. # iptables is way less invasive than firewalld so no warning is given ./easyrsa --batch --days=3650 build-client-full "$client" nopass -d fddd:1194:1194:1194::/64 -j SNAT --to "$ip6" [0-9]{1,3}){3}' | nl -s ') ' echo " 3) Remove OpenVPN" fi echo "local $ip # Get public IP and sanitize with grep echo "Which protocol should OpenVPN use?" if [[ "$EUID" -ne 0 ]]; then fi done To install ExpressVPN and to access the settings on Linux, youll need to use commands in the terminal. echo fi if [[ "$os" == "ubuntu" && "$os_version" -lt 1804 ]]; then OpenVPN Access Server using LDAP for Active Directory. # if we are in OVZ, with a nf_tables backend and iptables-legacy is available. This guide will show how to install and configure a DNS Server in RHEL 8 / CentOS 8 in caching mode only or as single DNS Server, no master-slave configuration. ;; Try using "su -" instead of "su".' WebWhat is Access Server? Configuring one, however, can seem a little intimidating to some users. OpenVPN source code and Windows installers can be downloaded here.Recent releases (2.2 and later) are also available as Debian and RPM packages; see the OpenVPN wiki for details. # Allow a limited set of characters to avoid conflicts 1) # Generates the custom client.ovpn until [[ "$remove" =~ ^[yYnN]*$ ]]; do new_client Choose Ubuntu 20, arm64. cipher AES-256-CBC dh dh.pem -d fddd:1194:1194:1194::/64' | grep -oE '[^ ]+$') echo 'This installer needs to be run with "bash", not "sh".' if [[ "$revoke" =~ ^[yY]$ ]]; then verb 3 fi topology subnet What is the public IPv4 address or hostname?" ExecStart=$iptables_path -I INPUT -p $protocol --dport $port -j ACCEPT echo "$client: invalid name." echo "Wget is required to use this installer." # If system has a single IPv4, it is selected automatically. [y/N]: " revoke WebOpenVPN client setup. cat /etc/openvpn/server/easy-rsa/pki/private/"$client".key if grep '^nameserver' "/etc/resolv.conf" | grep -qv '127.0.0.53' ; then client=$(sed 's/[^0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-]/_/g' <<< "$unsanitized_client") fi exit OpenVPN is a leading global private networking and cybersecurity company that allows organizations to truly safeguard their assets in a dynamic, cost effective, and scalable way. ;; firewall-cmd --permanent --add-port="$port"/"$protocol" cp pki/ca.crt pki/private/ca.key pki/issued/server.crt pki/private/server.key pki/crl.pem /etc/openvpn/server until [[ "$client_number" =~ ^[0-9]+$ && "$client_number" -le "$number_of_clients" ]]; do if [[ $(ip -4 addr | grep inet | grep -vEc '127(\. client=$(sed 's/[^0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-]/_/g' <<< "$unsanitized_client") # Enable without waiting for a reboot or service restart if systemctl is-active --quiet firewalld.service; then echo "Ubuntu 18.04 or higher is required to use this installer. fi ExecStart=$ip6tables_path -I FORWARD -s fddd:1194:1194:1194::/64 -j ACCEPT systemctl enable --now openvpn-iptables.service echo "OpenVPN removed!" The Command Line Interface (CLI) You can use the CLI to manage all of the # https://github.com/Nyr/openvpn-install echo 'push "redirect-gateway def1 ipv6 bypass-dhcp"' >> /etc/openvpn/server/server.conf ExecStop=$iptables_path -t nat -D POSTROUTING -s 10.8.0.0/24 ! ;; echo "Enter a name for the first client:" ( exec 7<>/dev/net/tun ) 2>/dev/null; then firewall-cmd --direct --remove-rule ipv6 nat POSTROUTING 0 -s fddd:1194:1194:1194::/64 ! fi fi ip=$(ip -4 addr | grep inet | grep -vE '127(\. sudo apt install openvpn -y . # Get easy-rsa until [[ -n "$get_public_ip" || -n "$public_ip" ]]; do OpenVPN road warrior installer for Ubuntu, Debian, AlmaLinux, Rocky Linux, CentOS and Fedora. # Enable without waiting for a reboot or service restart firewall="firewalld" This is a problem that can be resolved by setting a static IP address manually. hash wget 2>/dev/null && ! echo "[Service] 2) echo 'push "dhcp-option DNS 8.8.4.4"' >> /etc/openvpn/server/server.conf Sign up for OpenVPN-as-a-Service with three free VPN connections. if [[ "$os" == "centos" || "$os" == "fedora" ]]; then ./easyrsa --batch build-ca nopass os_version=$(grep -shoE '[0-9]+' /etc/almalinux-release /etc/rocky-release /etc/centos-release | head -1) There is an official APT repository for Debian/Ubuntu based distributions. echo On Linux devices(PCs and laptops), the client setup is a bit different. easy_rsa_url='https://github.com/OpenVPN/easy-rsa/releases/download/v3.1.1/EasyRSA-3.1.1.tgz' ;; echo { # Generates the custom client.ovpn firewall-cmd --permanent --direct --add-rule ipv4 nat POSTROUTING 0 -s 10.8.0.0/24 ! dev tun if [[ "$os" = "debian" || "$os" = "ubuntu" ]]; then else apt-get install -y --no-install-recommends openvpn openssl ca-certificates $firewall if [[ $(systemd-detect-virt) == "openvz" ]] && readlink -f "$(command -v iptables)" | grep -q "nft" && hash iptables-legacy 2>/dev/null; then auth SHA512 A single solution for site-to-site connectivity, IoT connectivity. tail -n +2 /etc/openvpn/server/easy-rsa/pki/index.txt | grep "^V" | cut -d '=' -f 2 | nl -s ') ' # Detect some Debian minimal setups where neither wget nor curl are installed WebLinux is the operating system of choice for the OpenVPN Access Server self-hosted business VPN software, and is available as software packages for Ubuntu LTS, Debian, Red Hat Enterprise Linux, CentOS and Amazon Linux Two. echo 'push "dhcp-option DNS 149.112.112.112"' >> /etc/openvpn/server/server.conf For OpenVPN releases we useother spec filestailored for each supported operating system. apt-get update WebFor OpenVPN Access Server meta-directives such as "OVPN_ACCESS_SERVER_USERNAME", remove the OVPN_ACCESS_SERVER_ prefix, giving USERNAME as the directive. if ! ExecStart=$ip6tables_path -I FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT The OpenVPN 3 Linux project is a new client built on top of the OpenVPN 3 Core Library, which is also used in the various OpenVPN Connect clients and OpenVPN for Android (need to be enabled via the settings page in the app).. cd /etc/openvpn/server/easy-rsa/ WebInstall DHCP Server. Installing man pages on server or desktop Linux. This will install the latest available updates and also refresh the repository cache. [y/N]: " remove group_name="nogroup" case "$dns" in echo 'server-ipv6 fddd:1194:1194:1194::/64' >> /etc/openvpn/server/server.conf # If the user continues, firewalld will be installed and enabled during setup echo 'ifconfig-pool-persist ipp.txt' >> /etc/openvpn/server/server.conf This is a step we describe a little further down on this page - please continue following the steps. You can create an advanced integration for this using a post_auth LDAP group mapping script. if [[ ! # Enable net.ipv6.conf.all.forwarding for the system if ! if you want to like add or remove clients. Heres a quick overview of the process of looking up a user: The user authenticates with OpenVPN Access fi new_client () { fi apt-get update ./easyrsa --batch --days=3650 build-client-full "$client" nopass ;; # but what can I say, I want some sleep too number_of_ip=$(ip -4 addr | grep inet | grep -vEc '127(\. exit # $os_version variables aren't always in use, but are kept here for convenience client=$(tail -n +2 /etc/openvpn/server/easy-rsa/pki/index.txt | grep "^V" | cut -d '=' -f 2 | sed -n "$client_number"p) [0-9]{1,3}){3}' | cut -d '/' -f 1 | grep -oE '[0-9]{1,3}(\. The command expressvpn list all will bring up the entire collection of servers for you to choose from. I will show you how to install and configure it. echo "firewalld, which is required to manage routing tables, will also be installed." # Detect OS mkdir /etc/systemd/system/openvpn-server@server.service.d/ 2>/dev/null ./easyrsa --batch --days=3650 gen-crl echo "net.ipv6.conf.all.forwarding=1" >> /etc/sysctl.d/99-openvpn-forward.conf # persist-tun Copyright 2022 OpenVPN | OpenVPN is a registered trademark of OpenVPN, Inc. Cyber Threat Protection & Content Filtering, The standard INSTALL file included in the source distribution, https://community.openvpn.net/openvpn/wiki/OpenvpnSoftwareRepos, https://openvpn.net/community-resources/how-to/, https://community.openvpn.net/openvpn/wiki, https://www.oberhumer.com/opensource/lzo/, https://www.gnu.org/software/software.html, https://www.whiteboard.ne.jp/~admin2/tuntap/. else echo "client protocol=tcp [[ -n "$public_ip" ]] && ip="$public_ip" -d fddd:1194:1194:1194::/64 -j SNAT --to $ip6 # If SELinux is enabled and a custom port was selected, we need this So if you want to try out the Access Server, install Access Server on your Linux OS or choose any of the other available Access Server deployment options and you can start testing. systemctl enable --now firewalld.service read -p "DNS server [1]: " dns echo "$remove: invalid selection." echo In this read -p "DNS server [1]: " dns echo "" Benefits. [[ -z "$ip_number" ]] && ip_number="1" 7MA0BM0oNC9hkXL+nOmFg/+OTxIy7vKBg8P+OxtMb61zO7X8vC7CIAXFjvGDfRaD sudo apt update -y . echo elif [[ "$os" == "debian" || "$os" == "ubuntu" ]]; then This version of Debian is too old and unsupported." WebLimitations of an unlicensed OpenVPN Access Server. fi until [[ "$option" =~ ^[1-4]$ ]]; do You have full access to all of the functionality of OpenVPN Access Server. firewall-cmd --zone=trusted --add-source=fddd:1194:1194:1194::/64 # Discard stdin. client=$(sed 's/[^0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-]/_/g' <<< "$unsanitized_client") read -p "Confirm OpenVPN removal? # If running inside a container, disable LimitNPROC to prevent conflicts # Without +x in the directory, OpenVPN can't run a stat() on the CRL file chown nobody:"$group_name" /etc/openvpn/server/crl.pem 1|"") yum remove -y openvpn echo 'Welcome to this OpenVPN road warrior installer!' [0-9]{1,3}){3}') server 10.8.0.0 255.255.255.0" > /etc/openvpn/server/server.conf # Detect environments where $PATH does not include the sbin directories else OpenVPN is available for PC (Windows, Linux) and smartphone (iPhone, Android). group_name="nobody" Execute the following ping command/host command or dig command after connecting to OpenVPN server from your Linux desktop client: # Ping to the OpenVPN server gateway # {vivek@ubuntu fi WebOpenVPN Access Server. [[ -z "$public_ip" ]] && public_ip="$get_public_ip" else # Create the PKI, set up the CA and the server and client certificates # Detect Debian users running the script with "sh" instead of bash { wget -qO- "$easy_rsa_url" 2>/dev/null || curl -sL "$easy_rsa_url" ; } | tar xz -C /etc/openvpn/server/easy-rsa/ --strip-components 1 WebOpenVPN Access Server uses the LDAP server to look up user objects and check the password. group_name="nogroup" exit By default, the DHCP server package is included in the Ubuntu default repository. firewall-cmd --permanent --direct --add-rule ipv6 nat POSTROUTING 0 -s fddd:1194:1194:1194::/64 ! For more information about each Admin Web UI section, refer to the OpenVPN Access Server Admin Manual, which provides details about the different configuration options through your Admin Web UI portal as well as details on typical network configurations.. echo hash semanage 2>/dev/null; then The client software offers client connectivity across four major platforms: Windows, macOS, Android, and iOS. echo cp /etc/openvpn/server/easy-rsa/pki/crl.pem /etc/openvpn/server/crl.pem Click the Ubuntu icon. dev tun yum install -y policycoreutils-python os_version=$(grep -oE '[0-9]+' /etc/debian_version | head -1) ./easyrsa --batch init-pki echo persist-tun Once youve defined the VoD profile, you have two options for exporting it to an iOS device: If your device is currently tethered, click on your device name ExecStop=$iptables_path -D FORWARD -s 10.8.0.0/24 -j ACCEPT cipher AES-256-CBC read -n1 -r -p "Press any key to continue" read -p "Option: " option #If $ip is a private IP address, the server must be behind NAT new_client echo "Select a DNS server for the clients:" The OpenVPN community project team is proud to release OpenVPN 2.5.2. read -p "Port [1194]: " port read -p "Protocol [1]: " protocol ExecStop=$ip6tables_path -t nat -D POSTROUTING -s fddd:1194:1194:1194::/64 ! 87VXE15/V8k1mE8McODmi3fipona8+/och3xWKE2rec1MKzKT0g6eXq8CrGCsyT7 apt-get remove --purge -y openvpn Building OpenVPN 3 Linux client. until [[ -z "$port" || "$port" =~ ^[0-9]+$ && "$port" -le 65535 ]]; do echo Our VPN server is now available on the Internet, so we can configure a client to connect to it from anywhere. exit 1|"") ./easyrsa --batch --days=3650 build-server-full server nopass echo "[Unit] ip -4 addr | grep inet | grep -vE '127(\. echo " 1) UDP (recommended)" WireGuard road warrior installer for Ubuntu, Debian, AlmaLinux, Rocky Linux, CentOS and Fedora. #!/bin/bash Released under the MIT License. Linux: The openvpn package from your distribution. The OpenVPN 3 Linux project is a new client built on top of the OpenVPN 3 Core Library, which is also used in the various OpenVPN Connect clients and OpenVPN for Android (need to be enabled via the settings page in the app).. while [[ -z "$client" || -e /etc/openvpn/server/easy-rsa/pki/issued/"$client".crt ]]; do # CRL is read with each client connection, when OpenVPN is dropped to nobody if [[ $(ip -6 addr | grep -c 'inet6 [23]') -eq 1 ]]; then else hash curl 2>/dev/null; then Released under the MIT License. ExecStart=$iptables_path -t nat -A POSTROUTING -s 10.8.0.0/24 ! # WebSet up your own OpenVPN server on Debian, Ubuntu, Fedora, CentOS or Arch Linux. OpenVPN Access Server launches with two free connections. For example, expressvpn connect will reconnect you to the last location you used. # Move the stuff we need WantedBy=multi-user.target" >> /etc/systemd/system/openvpn-iptables.service clear We recommend and support OpenVPN Connect v3 as the official app for OpenVPN Access Server and OpenVPN Cloud. case "$protocol" in systemctl disable --now openvpn-iptables.service Sign in to the Access Server portal on our site or create a new account to add the OpenVPN Access Server repository to your Raspberry Pi: Click Get Access Server. if ! } > ~/"$client".ovpn ip6=$(firewall-cmd --direct --get-rules ipv6 nat POSTROUTING | grep '\-s fddd:1194:1194:1194::/64 '"'"'!'"'"' echo "" echo "What port should OpenVPN listen to?" # Generates the custom client.ovpn Cyber Shield protects you from cyber threats without requiring you to tunnel internet traffic. exit if grep -qs "ubuntu" /etc/os-release; then echo "Invalid input." elif [[ -e /etc/almalinux-release || -e /etc/rocky-release || -e /etc/centos-release ]]; then echo " 3) 1.1.1.1" ExecStop=$iptables_path -D FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT" > /etc/systemd/system/openvpn-iptables.service echo 'push "dhcp-option DNS 94.140.15.15"' >> /etc/openvpn/server/server.conf For these purposes, Ubuntu comes with a unique command called ubuntu-drivers to manage binary drivers for NVidia and other devices. done echo " 5) Quad9" esac fi echo " 2) TCP" [[ -z "$client" ]] && client="client" exit Related: Top 7 Linux GPU Monitoring and Diagnostic Commands Line Tools A note about ubuntu-drivers command-line method # 3. echo "" -f 1) -eq 2 ]]; then 3) It has been designed to be as unobtrusive and universal as possible. [0-9]{1,3}){3}') -eq 1 ]]; then if sestatus 2>/dev/null | grep "Current mode" | grep -q "enforcing" && [[ "$port" != 1194 ]]; then read -n1 -r -p "Press any key to install Wget and continue" fi } -e /etc/openvpn/server/server.conf ]]; then if [[ -n "$ip6" ]]; then elif [[ -e /etc/debian_version ]]; then read -p "Port [1194]: " port ExecStop=$iptables_path -D INPUT -p $protocol --dport $port -j ACCEPT ;; # Centos 7 Turn Shield ON. if [[ "$os" == "debian" && "$os_version" -lt 9 ]]; then ./easyrsa --batch revoke "$client" done Setting up a VPN is a great way for a server to share network resources with a client. resolv-retry infinite macOS: Tunnelblick fi grep -q sbin <<< "$PATH"; then echo "" Installation Accept any dependencies. [[ -z "$port" ]] && port="1194" # Install a firewall if firewalld or iptables are not already available -d fddd:1194:1194:1194::/64 -j SNAT --to "$ip6" else # Set NAT for the VPN subnet # client-common.txt is created so we have a template to add further users later echo "CentOS 7 or higher is required to use this installer. fi systemctl is-active --quiet firewalld.service && ! [0-9]{1,3}){3}' | while read line; do fi fi cd /etc/openvpn/server/easy-rsa/ # DNS exit echo "OpenVPN removal aborted!" -d 10.8.0.0/24 -j SNAT --to $ip chmod o+x /etc/openvpn/server/ resolv_conf="/etc/resolv.conf" exit # If the checkip service is unavailable and user didn't provide input, ask again # Detect OpenVZ 6 # the default port and protocol. The OpenVPN executable should be installed on both server and client 2) WebIn rare cases the OpenVPN Access Server appliance is deployed on a network where there is no DHCP server to automatically assign the Access Server an IP address. if [[ -n "$ip6" ]]; then else read -p "Name [client]: " unsanitized_client fi # If the server is behind NAT, use the correct IP address [Service] tls-crypt tc.key +8yTnc4kmz75fS/jY2MMddj2gbICrsRhetPfHtXV/WVhJDP1H18GbtCFY2VVPe0a until [[ "$revoke" =~ ^[yYnN]*$ ]]; do A reverse and forward zone example is provided. os="fedora" # If system has multiple IPv6, ask the user to select one ;; group_name="nobody" until [[ -z "$ip_number" || "$ip_number" =~ ^[0-9]+$ && "$ip_number" -le "$number_of_ip" ]]; do Ubuntu Linux install man pages; About the author: Vivek Gite is the founder of nixCraft, the oldest running blog about Linux and open source. 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