Barracuda spam virus firewall 400 manual




















Virus Filter. End Users. Virtual Appliance. Barracuda Energize Updates. Instant Replacement Service. The following figure illustrates the Barracuda Email Security Gateway power and disk activity indicator lights for models The following figure illustrates the Barracuda Email Security Gateway rear panel ports and connectors for models The Barracuda Email Security Gateway is a comprehensive email security solution that manages all inbound and outbound email traffic to protect organizations from email-borne threats and data leaks.

Flexible deployment options include hardware and virtual appliances, cloud services and hybrid configurations — making this solution ideal for safeguarding any size organization. In addition to protecting traffic to and from the Internet, the solution also includes a Microsoft Exchange Anti-virus Agent to protect internal emails. Widely used by over 75, organizations, the award-winning Barracuda Email Security Gateway has no per-user, per-agent or per-server fees.

Barracuda Email Security Gateway's comprehensive features and functionality yield a phenomenal 95 percent spam catch rate out of the box with one of the lowest false positive rates in the industry. Although affordable and easy to use, the Barracuda Email Security Gateway provides the most effective and complete email security in the industry.

The Barracuda Email Security Gateway's multilayered approach to email security provides the most comprehensive protection available. It also optimizes email performance several ways to affordably process millions of messages per day. Its internal filtering technology employs time-tested defense layers while the Cloud Protection Layer adds advanced cloud-based technologies: the Barracuda Anti- Fraud Intelligence Engine detects and blocks fraudulent emails and the Barracuda Anti-Virus Supercomputing Grid detects and blocks polymorphic viruses that try to evade detection by changing their signatures.

All Barracuda Networks products are backed by Barracuda Central, a 24x7 advanced technology center consisting of highly trained engineers who continuously monitor and block the latest Internet threats. Barracuda Central collects emails, URLs and other data from tens of thousands of collection points located in more than 80 countries.

In addition, Barracuda Central collects data contributions from more than 50, Barracuda products in use by customers. Barracuda Central analyzes the data collected and develops defenses, rules and signatures to defend your network.

These updates require zero administration and ensure that the Barracuda Email Security Gateways provide comprehensive and accurate protection against the latest threats. Barracuda Central monitors data 24x7 from tens of thousands of collection points located in over 80 countries and more than 40, Barracuda Email Security Gateways in use by customers.

As new threats emerge, Barracuda Central is quick to respond to early outbreaks and delivers the latest definitions automatically through Barracuda Energize Updates. P address. Barracuda Reputation: Barracuda Central collects IP addresses used in spam attacks and legitimate email campaigns for reputation analysis.

Reputation and other upfront checks let the Barracuda Email Security Gateway block over half of emails in the connection-management layers before emails are received. With Barracuda Reputation analysis, the Barracuda Email Security Gateway can quickly and efficiently make decisions to block or accept email messages based on the sender's IP address. Triple-Layer Virus Protection: The Barracuda Email Security Gateway scans emails and incoming files using three powerful layers of virus scanning technology.

This triple-layer antivirus protection uses powerful open source and propriety virus definitions, which automatically update via Energize Updates and Real Time Protection. Virus scanning takes precedence over other email scans. Barracuda Email Security Gateways worldwide collectively block more than one million virus attempts on a typical day. Barracuda Networks triple-layer virus protection includes powerful open source and proprietary virus definitions and Barracuda Real-Time Protection for the most comprehensive email-borne virus and malware protection in the industry.

The agent runs as a Windows service on the Exchange server letting the server scan internal emails for viruses. It uses the same virus definitions as the Barracuda Email Security Gateway.

Configuring and monitoring the agent are also done via the Barracuda Email Security Gateway's intuitive web interface. The Barracuda Email Security Gateway provides a single place for managing inbound, outbound and internal email virus protection. The antivirus agent for Microsoft Exchange protects internal emails.

Barracuda Real-Time Protection: Barracuda Real-Time Protection is a set of advanced technologies that lets the Barracuda Email Security Gateways instantly block the latest viruses and other malware as they emerge.

It draws from the largest and most diverse installed base in the industry to detect early trends in email threats. Immediately upon virus or malware classification, Barracuda Real-Time Protection sends a response via Barracuda Central to any Barracuda Email Security Gateway that has submitted the malware fingerprints to block the message. This, plus a third layer of antivirus protection, enables the fastest response to email-borne virus threats in the industry.

Barracuda Real-Time Protection draws from the largest and most diverse installed base in the industry to detect early trends in email-borne threats. Immediately upon virus or malware classification, Barracuda Central responds to any Barracuda Email Security Gateways submitting the corresponding fingerprints with an instruction to immediately block the message.

Cloud Protection Layer: The Barracuda Email Security Gateway is integrated with a cloud-based service that prefilters emails before delivery to the on-site Barracuda Email Security Gateway, which performs further security checks and is needed for outbound filtering. The Cloud Protection Layer uses technologies that have been time tested with the Barracuda Email Security Gateway along with advanced cloud-based technologies including:.

The Cloud Protection Layer stops spam and malware in the cloud. It also provides email continuity. Outbound filtering prevents organizations from being put on spam block lists and prevents sensitive data in emails from leaving the organization. Using a subset of its defense layers, the Barracuda Email Security Gateway's outbound filtering stops outbound spam and viruses. It also lets administrators enforce content polices for data loss prevention and to meet other content standards in outgoing emails.

Predefined filters and custom policies can be used to detect sensitive data and block or encrypt emails. Outbound filtering protects organizations from being placed on spam block lists and leaking sensitive data in emails. It is fully integrated with a cloud-based email encryption service for outbound emails. Outbound email encryption protects sensitive data in emails.

It provides secure transit and storage for emails. The Barracuda Email Security Gateway, an integrated hardware and software solution, uses a multilayered approach to provide the most comprehensive email protection available against spam, viruses, spoofing, phishing and spyware attacks. An added benefit of the Barracuda Email Security Gateway is the optimized processing of each email to maximize performance and capability to filter millions of messages per day.

Deployed at the network perimeter, all incoming email must pass through all 12 defense layers of the Barracuda Email Security Gateway before any of it can reach the intended recipients. The defense layers are grouped into two main classes: connection management , which involves dropping incoming mail connections before receiving messages, and mail scanning , which analyzes messages upon receipt.

During the filtering process, emails are checked for new and familiar spammer attacks, viruses, and customized administrator policy violations. Based on administrator and user preferences, spam can be tagged, quarantined or blocked. Tagging email benefits organizations by easily identifying messages that meet set criteria. Tagged emails are delivered to the recipient with a customizable label, such as [BULK], that is added to the subject of the message.

Quarantining emails is a safeguard that allows for examination of questionable messages prior to accepting or rejecting; typically, quarantined email does turn out to be spam. An administrator can choose two types of email quarantine: global or per user quarantine. When configured for global quarantine, the Barracuda Email Security Gateway routes all quarantined email to a mailbox specified by the administrator.

When configured for per user quarantine, the Barracuda Email Security Gateway stores the email locally and notifies users periodically of their quarantined email.

Users can choose to delete quarantined email, forward it to their own mailboxes or whitelist the sender address to prevent future email from being quarantined. Per user quarantine is available with the Barracuda Email Security Gateway , , , and models. What are some of the underlying technologies used in the Barracuda Email Security Gateway? The Barracuda Email Security Gateway uses a combination of proprietary and open source software.

The Barracuda Email Security Gateway operating system is based on a hardened, stable Linux kernel that has undergone strict scrutiny by top security researchers. Starting with firmware release 3. What new technologies has the Barracuda Email Security Gateway added to combat the latest spam campaigns? The Barracuda Email Security Gateway provides comprehensive protection against virus threats through three powerful layers.

The first layer consists of a well-respected open source virus scanning engine. The third layer is Barracuda Real-Time Protection, a set of advanced technologies that enable Barracuda Email Security Gateways to immediately block the latest virus, spyware and other malware attacks as they emerge without having to wait for a signature to be downloaded onto the Barracuda Email Security Gateway. Find out how by watching the video. Understanding the Threat Spam, malicious email and virus attacks are becoming ever more sophisticated.

Comprehensive Virus Protection The Barracuda Spam Firewall scans email and incoming files using three layers of powerful virus scanning technology. Proven Spam Protection Barracuda is the industry leader in spam protection for businesses. Request a free evaluation unit. First Name. Copy Text.

Unpublish revision. Options Republish immediately. Submit Cancel. This is a permanent link to this article. Copy the link below for further reference. Index More Product Information Version 8. F Revision A Last updated on Warranty and Safety Instructions Opening your Barracuda Networks appliance or removing its warranty label unless instructed to do so by Barracuda Networks support will void your warranty and hardware support.

Always use the power supply shipped with the appliance. Last updated on Previous Article Next Article. Did you find this page helpful? Yes No. Do you have further questions, remarks or suggestions? Appliance is in ART mode.



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