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Installing fail2ban can be done with a single command: sudo apt-get install -y fail2ban When that command finishes, fail2ban is ready to go. You'll want to start and enable the service with the commands: sudo systemctl start fail2ban sudo systemctl enable ...

Run the following command in CLI prompt to install Commandbox: /usr/bin/curl -fsSl https://downloads.ortussolutions.com/debs/gpg | sudo apt-key add - && echo "deb https://downloads.ortussolutions.com/debs/noarch /" | sudo tee -a /etc/apt/sources.list.d/comm...

Since Ubuntu 18.04 comes with php 7.2, you must install from the ppa:ondrej repository: sudo add-apt-repository ppa:ondrej/php sudo apt update sudo apt install php7.3 Install all the existing php 7.2 modules on php 7.3: sudo apt install $(apt list --insta...

ONLYOFFICE Document Server can use a token generated using the JSON Web Tokens (JWT) standard in order to secure the connection and restrict access the the OnlyOffice Document server which by default is accessible to everyone. Edit the /etc/onlyoffice/docum...

Add the repository containing the up-to-date Node.js package versions: curl -sL https://deb.nodesource.com/setup_8.x | sudo bash - Install postgresql: apt install postgresql Create Database (Type each command seraparately): /usr/bin/sudo -i -u postgres ps...

This guide assumes you have a working Ubuntu 18.04 LTS server installation and you have sudo provileges. Credits: Carsten Reiger Become root It's much easier to type in commands without having to worry about typing "sudo" in front of every command and havi...

Following this guide will allow you to create always-on load-balanced OpenVPN connections to your favorite VPN provider and force all your Internet traffic through the OpenVPN connections. This guide was developed using Newshosting VPN account. The informatio...

Introduction This guide was written in order to assist in setting up HAProxy in PfSense in order to route SSL (443) traffic to either a SoftEther SSL VPN server or a webserver listening on port 443 based on SNI. In actuality, any SSL VPN server will suffice, ...

Zammad Configuration Click on Settings --> Users --> New User and create a new user for Zabbix by filling out FIRSTNAME, LASTNAME, EMAIL, PASSWORD and setting the PERMISSIONS to Agent (Figure 1): Figure 1 Once the user is created, locate the user, click t...

Creating message rules to take actions based on e-mail headers is not yet implemented in the Hermes SEG Web GUI. However, this can be accomplished in the command line fairly easily. In the example below, we will redirect e-mail destined for an e-mail address t...

Note: Java Version 10 is not currently supported on Hermes SEG. Hermes SEG has only been tested with Java 8. Login to console or SSH session. Install JDK sudo add-apt-repository -y ppa:webupd8team/java sudo apt-get update echo debconf shared/accepted-...

Hermes SEG does NOT come pre-loaded with the Java JCE Unlimited Strength Jurisdiction Policy files. Hermes SEG takes advantage of the Java JCE Unlimited Strength Jurisdiction Policy files for various functionality throughout the system. You must install  the J...

We are NOT responsible for any issues that may arise from upgrading Ciphermail on your own. Any Ciphermail specific issues should be raised with Ciphermail support. Download Ciphermail Packages Navigate to https://www.ciphermail.com/downloads.html an...

You can disable Windows kernel case-insensitivity by clearing the following registry key to 0: HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\kernel DWORD “obcaseinsensitive” (Figure 1) Figure 1

This guide will walk you through installing, configuring and integrating Sophos Antivirus for Linux with Amavis to be used in conjunction with ClamAV. Install Sophos Antivirus for Linux First, download Sophos Antivirus for Linux from the link below. As of th...

Hermes SEG requires a listing of Internal Recipients in order to process incoming email and deliver that email to the correct recipient mailboxes which are located on an email server(s) which must be previously specified in the Gateway --> Relay Domains. The s...

If you have an Internal Recipient joe@domain.tld but you also want the email address joe.smoe@domain.tld to deliver email to joe@domain.tld, you would set up a virtual address of joe.smoe@domain.tld to deliver to joe@domain.tld. Please note, Virtual Recipients...

The Hermes SEG Perimeter Checks page allows you to set settings for any incoming email before they are even processed by the SMTP server or the rest of the subsystems such as the virus and spam filters . You can think of perimeter checks as a type of "front do...

A RBL (Real Time Block List) is a mechanism for determining the reputation of a sender IP address by looking up the sender IP through various RBLs that are configured in the system. RBL lookups are performed using DNS. The reputation of an IP is determined by ...

The IP & Network Override section will allow you to Permit or Deny specific IPs or Networks. The permit or deny action will occur at the perimeter check level. If the action is permit, then the perimeter checks will be effectively bypassed and the email will b...