Gateway Antivirus for Web

CacheGuard Web Gateway appliance embeds a gateway antivirus.

Gateway Antivirus for Web trafficWeb Security - Gateway Antivirus

CacheGuard Web Gateway antivirus scans the Web traffic at the gateway and instantly eradicates suspicious objects before they can enter into your network, while traditional antiviruses are installed locally on computers. But as soon as a malware reaches a network it is sometimes too late and it can harm. That’s why it represents a powerful and complementary security solution to traditional antiviruses.

CacheGuard Web Gateway antivirus inspects objects more deeply than traditional products installed on each computer, rejecting viruses, trojans, worms and other malware before entering your network from the Web. As CacheGuard includes a cache, the antivirus scans each cached object only once, thus saving hardware resources for other features. CacheGuard antivirus is a complementary technology to traditional antiviruses installed on computers reinforcing your protection against malware threats coming from the Web.

CacheGuard detects over 530,000 malware and its database signature is updated 48 times per day.

Powerd by ClamAV

CacheGuard antivirus module is based on ClamAV. This antivirus detects MS Office macro viruses, mobile malware, and other threats. It supports 32/64-bit Portable Executable files and 32-bit ELF files. Additionally, it handles the following files:

  • PE files compressed or obfuscated with the following tools: Aspack (2.12), UPX (all versions), FSG (1.3, 1.31, 1.33, 2.0), Petite (2.x), PeSpin (1.1), NsPack, wwpack32 (1.20), MEW, Upack, Y0da Cryptor (1.3).
  • Almost every mail file format including TNEF (winmail.dat) attachments are supported.
  • The most popular file formats like: MS Office and MacOffice files, RTF, PDF, HTML.
  • Various obfuscators, encoders, files vulnerable to security risks such as: JPEG (exploit detection), RIFF (exploit detection), uuencode, ScrEnc obfuscation.

The antivirus module scans not only simple files but looks inside archive and compression files. The following archive and compression formats are supported: Zip (+ SFX), RAR (+ SFX), Tar, Gzip, Bzip2, MS OLE2, MS Cabinet Files (+ SFX), MS CHM (Compiled HTML), MS SZDD compression format, BinHex, SIS (SymbianOS packages), AutoIt, NSIS.

Lear more about the antivirus in the User’s Guide.