Zentyal Server
The Linux small business server
Zentyal is the Linux Small Business Server that can act as a Gateway, Unified Threat Manager (UTM), Office Server, Infrastructure Manager, Unified Communications Server or a combination of them. All network services are based on the same technology and fully integrated, allowing you to manage your network easily as one single unit!
Zentyal Gateway

Zentyal Gateway can make your network more reliable, optimize your bandwidth and help you to control what is coming in to your network. Waste no more time on inefficient networks.
Zentyal Gateway features
- Transparent Caching
- Traffic Control
- Load Balancing and Availability
- Content Filter
Make your connection faster! If your employees visit the same sites, the data will be downloaded only once, freeing your connection for more important tasks.
Business class for data. An overloaded Internet connection is a thing of the past. Make sure your most critical traffic is served properly, regardless of the network load.
Your connection can’t fail. If you have more than one Internet connection, Zentyal can distribute transparently your clients and make sure you are connected, even if one of the connections is down.
Don’t waste time at the office. You can restrict access to certain sites, or allow access only to specific sites. This allows you to restrict inappropriate surfing and enforce your organization’s Internet usage policies.
Zentyal UTM
Internet is a hostile environment, but we can make it more friendly. Zentyal UTM protects your computer networks against any external attacks, intrusions and internal security threats.
Zentyal UTM features
- Content Filtering
Let the malware out. Internet is a wonderful thing, and it’s filled with great and useful content. But there are tons of threats, like spam, viruses, phishing… Our content filter acts on your email, web visits and shared files so you only get the content you want.
- Virtual Private Networks
Your office everywhere you go. Enjoy the same level of security in your communications wherever you are. You will be in your office network even at home or when traveling. If you have multiple offices around the world, you can also connect them securely, and have only one virtual office.
- Firewall
Security starts at the front desk. There are different layers of security, but everything starts with a good firewall. Allowing only the traffic that you need makes a great first sieve against unwanted attackers.
- Intruder Detection
Be one step ahead. We hope you never need to detect an intrusion, but no security system is perfect. Our IDS will inform you of any suspicious attempts, and lets you to analyze them afterwards to evaluate possible damages.
Zentyal Infrastructure
Zentyal Infrastructure manages and optimizes internal traffic in your computer network, including the configuration of domain server and the management of machines and digital certificates.
Zentyal Infrastructure features
- Network Objects
One or many, manage them. You choose the level of detail that you want when managing your network with Zentyal. You can change a setting for the whole network, one department, or just a single computer.
- DNS Server
People remember names better. You can assign every computer in your network a fixed address and name to ease the navigation in the Intranet. It’s much easier to remember erp.mycompany.com than 10.0.13.27
- Web Server
Powered by Apache. Zentyal includes the Apache web server, used by more than half of the known websites. You can use it as the perfect base for all your Intranet applications.
- Enterprise-grade SSL
Create your own certificates. With your customers, you might need an external certification authority. But internally, you don’t need to spend hundreds of dollars yearly to have security. Create your own SSL certificates with Zentyal and use them for internal email or websites.
Zentyal Office
Zentyal Office allows office resources to be managed and shared, including user profiles and group accounts, files, printers, calendars, contacts and tasks, and backup of data.
Zentyal Office features
- Service Directory
Your users in one place. Manage all your users and resources from a central point. You can decide who gets access to what. Zentyal is based in open standards like LDAP, so you can easily integrate applications and services.
- Calendar, Contacts and Tasks
Easy collaboration tools. Groupware solution allows to share your calendar, contacts and tasks with the rest of your team. Don’t waste time trying to find a phone number, or if the meeting room is available on Friday morning.
- File and Printer Sharing
Sharing is easy. Are you still exchanging files by email? It’s a solution, but a shared document repository is more efficient. Share folders easily with Zentyal and use them whether you are Windows, Linux or Mac user.
- Data Backup
Some catastrophes you can prevent. Centralized document storage and sharing is useful, but it also offers a single point of failure. Automatize your data backups so you don’t have to worry about failing disks or users deleting a file by mistake.
Zentyal Unified Communications

Zentyal Unified Communications Server manages all your communications, including email, instant messaging and VoIP.
Zentyal Unified Communications features
- User management
One user name, one password. Manage all your users and resources from a central point. They won’t have to remember different user names and passwords for every service. Also, providing an user with an email, IM or VoIP account is easy and fast.
- Email
With your favorite email client. Zentyal provides an integrated email solution, with antispam and antivirus technologies. The feature supports all the usual standards so you can keep using your favorite email clients.
- Instant messaging
When email is not enough. Sometimes you just need more fluid conversations. Zentyal provides instant messaging based on the Jabber/XMPP protocol, so you can use any of the existing clients on any platform, even on cell phones.
- VoIP
When you need to call. Provide your employees with their own extension and make internal calls and conferences easily. With third-party providers, you can also get real phone numbers and route them to your Zentyal server to make and receive calls at very low prices.






