A partial MOVEit DMZ database schema is listed below. FolderType int(11) NOT NULL default ‘0’, FileType int(11) NOT NULL default ‘0’, CleanType int(11). The tables in the MOVEit Transfer (DMZ) (10v) Database are named as displayprofiles; expirationpolicies; favoritefilters; files; filetypes. Networks Fall Firewalls. Intranet. DMZ. Internet. Firewall. Firewall. Web server, email server, web proxy, etc. Networks Fall
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Before performing Traditional Anti-Virus scanning, the gateway reassembles the entire file and then scans it. Note – Continuous Download is only relevant if you have selected to use the Activate proactive detection option.
In upgraded systems that previously used the Traditional Anti-Virus scanning feature, proactive detection is activated by default. Selecting Data to Scan When using Scan by File Direction, you must select the direction of the data to scan, which depends on whether you want to scan files to or from the internal networks and the DMZ.
If a virus is found during the scan, file delivery to the client is terminated. Download from Check Point site: When using Scan by File Direction, you must select the direction of the data to scan, which depends on whether you want to scan files to or from the internal networks and the DMZ. To enable and configure Traditional Anti-Virus protection: The Traditional Anti-Virus engine acts as a proxy which caches the scanned file before delivering it to the client for files that need to be scanned.
It detects not only known viruses, but also zero-day attacks, by using advanced proactive techniques. Limits the file size that is allowed to pass through the gateway.
When a file exceeds size limit: Updates of the virus signature can be scheduled at a predefined interval. To address this problem, Continuous Download starts sending information to the client while Traditional Anti-Virus scanning is still taking place. Scanning by File Direction: Note – It is important flletype configure a valid DNS server address on your management and gateway in order for the signature update to work.
Proactive mode – a file-based solution where the kernel traps the traffic for the selected protocols and forwards the traffic to the security server. Defines if the gateway passes or blocks the files.
Set the slider to Block. IPS has a built-in File Type recognition engine, which identifies the types of files passed as part of the connection and enables you to define a per-type policy for handling files of a given type. The data is allowed or blocked based on the response of the Traditional Anti-Virus engine. Prevents attacks that employ a small size archive that decompresses into a very large file on target.
Internal Access to DMZ
Archives and all other file types are recognized by their binary signature. This Zero-Hour solution provides protection during the critical time it takes to discover a fileetype virus outbreak and assign it a signature.
File types are considered to be safe if they are not known to contain viruses, for example, some picture and video files are considered safe. For example, you can decide not to scan traffic passing from external networks to the DMZ, but to still scan traffic passing from the DMZ to internal networks and from the external to internal networks.
Other formats can be considered safe because they are relatively hard to tamper with. Allows files to pass though the Security Gateway filetypw being scanned for viruses. Download from My local Security Management Server: You can set an action to take place when a file of a specified type passes through the gateway, so that it is not scanned for viruses. You can specify safe file types that are allowed to pass through IPS without being scanned for viruses.
When using Scan by Smz, use a Rule Base to specify the source and destination of the data to be scanned.
Using Traditional Anti-Virus
Continuous Download The Traditional Anti-Virus engine acts as a proxy which caches the scanned file before delivering it to the client for files that need to be scanned. Filethpe this method the default is fairly intuitive and does not require the specification of hosts or networks. GIFwhich can be spoofed.
This method is useful when Internet access is not available for all gateways or if the download can only occur once for all the gateways. Determines whether to scan or block the file. Continuous Download options are only relevant if the scan is set to Proactive Detection. This method also enables you to define exceptions, for example, locations to or from which files are not scanned.
A similar problem may arise when using client applications with short timeout periods for example, certain FTP clients to download large files. This mode is based on state-of-the-art virus signatures that are frequently updated in order to detect recent Malware outbreaks.
Advanced Topics – Database – Schema
What is considered to be safe changes according to published threats and depends on how the administrator balances security versus performance considerations. Stream mode – the kernel processes the traffic for the selected protocols on the stream of data without storing the filetupe file.
Note – An email is treated as an archive and as a result it is not affected when the file exceeds the limit.