Documentation
Everything you need to run Delyan on your own server.
Delyan turns large, hard-to-read firewall configurations into clear tables, audit findings, visual maps and ready-to-share reports. It runs entirely on your own network, with no cloud and no internet connection required.
Runs on your server·Works fully offline
Quick start
From a fresh server to your first results.
01
Check requirements
One Linux server on your network. Your team uses Delyan from a browser.
02
Install
Install the package on the server and start the service.
03
Sign in & license
Set your admin password and activate your license, fully offline.
04
Add a firewall
Upload or fetch a configuration and get results in minutes.
What Delyan does
One place to understand every firewall you run.
Readable configurations
Huge configuration files become clean, searchable tables of policies, objects, interfaces and routes.
Automatic audit
Built-in checks flag unused objects, shadowed and duplicate rules, over-permissive policies and weak settings.
Compliance scoring
See how a firewall measures up against the CIS benchmark, with the failing controls listed first.
Visual maps
Policy graphs, zone-to-zone traffic flows and topology maps that show what tables hide.
Ready-made reports
Branded PDF and Excel reports for engineers, managers and auditors, in one click.
Dely, your AI assistant
Ask questions in plain English and get answers based on your own configurations, with sources.
All guides
Browse the documentation.
Getting started
Requirements
The server you need, supported Linux distributions and the firewalls Delyan reads.
Getting started
Installation
Install Delyan on your Linux server and open it in a browser.
Getting started
First login & license
Sign in for the first time and activate your license.
Getting started
Add your first device
Register a firewall, load its configuration and get your first results.
Using Delyan
Explore your configuration
Browse policies, objects, interfaces, routing and more as clean, searchable tables.
Using Delyan
Analysis & compliance
Find risky, unused and duplicate rules, and see how a firewall scores against CIS.
Using Delyan
Visualizations
See policy relationships, traffic between zones and your topology as pictures.
Using Delyan
Reports
Download branded PDF and Excel reports for engineers, managers and auditors.
Using Delyan
Dely AI assistant
Ask questions about your firewalls in plain English and get answers with sources.
Can't find what you need?
Support answers setup and usage questions within one business day.
