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    • CLI Reference

    Home FortiWeb 6.3.4 CLI Reference
    6.3.4
    7.6.1
    7.6.0
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    7.4.4
    7.4.3
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    7.4.1
    7.4.0
    7.2.10
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    7.2.3
    7.2.2
    7.2.1
    7.2.0
    7.0.9
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    7.0.1
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    6.4.1
    6.4.0
    6.3.23
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    6.3.1
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    6.2.4
    6.2.3
    6.2.2
    6.2.1
    6.2.0
    6.1.2
    6.1.1
    5.7.0
    5.6.1
    5.6.0

    system antivirus

    system antivirus

    Use this command to configure system-wide FortiGuard Antivirus scan settings.

    To use this command, your administrator account’s access control profile must have either w or rw permission to the sysgrp area. For details, see Permissions.

    Syntax

    config system antivirus

    set default-db {basic | extended}

    set scan-bzip2 {enable | disable}

    set uncomp-size-limit <limit_int>

    set uncomp-nest-limit <limit_int>

    set use-fsa {enable | disable}

    end


    Variable Description Default

    default-db {basic | extended}

    Select which of the antivirus signature databases to use when scanning HTTP POST requests for viruses, either:

    • basic—Select to use only the signatures of viruses and greyware that have been detected by FortiGuard’s networks to be recently spreading in the wild.
    • extended—Select to use all signatures, regardless of whether the viruses or greyware are currently spreading.
    		 basic

    scan-bzip2 {enable | disable}

    Enable to scan archives that are compressed using the BZIP2 algorithm.

    Tip: Scanning BZIP2 archives can be very CPU-intensive. To improve performance, block the BZIP2 file type, then disable this option.

    		 enable

    uncomp-size-limit <limit_int>

    Type the maximum size in kilobytes (KB) of the memory buffer that FortiWeb will use to temporarily undo the compression that a client or web server has applied to traffic, in order to inspect and/or modify it. For details, see waf file-uncompress-rule.

    Caution: Unless you configure otherwise, compressed requests that are too large for this buffer will pass through FortiWeb without scanning or rewriting. This could allow malware to reach your web servers, and cause HTTP body rewriting to fail. If you prefer to block requests greater than this buffer size, configure waf http-protocol-parameter-restriction. To be sure that it will not disrupt normal traffic, first configure action to be alert. If no problems occur, switch it to alert_deny.

    The maximum acceptable values are:

    102400 KB: FortiWeb 100D, 400C, 400D, 600D, 1000C, 3000CFsx, 3000DFsx, 4000C

    204800 KB: FortiWeb 1000D, 2000D, 3000D, 4000D, 1000E, 2000E, 3010E

    358400 KB: FortiWeb 3000E, 4000E

    		 5000

    uncomp-nest-limit <limit_int>

    		 Type the maximum number of allowed levels of compression (“nesting”) that FortiWeb will attempt to decompress. 12

    use-fsa {enable | disable}

    		 Enable to use the Signature Database from FortiSandbox to supplement the AV Signature Database. If enabled, FortiWeb will download the malware package from FortiSandbox's Signature Database every minute. disable
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    system antivirus

    system antivirus

    Use this command to configure system-wide FortiGuard Antivirus scan settings.

    To use this command, your administrator account’s access control profile must have either w or rw permission to the sysgrp area. For details, see Permissions.

    Syntax

    config system antivirus

    set default-db {basic | extended}

    set scan-bzip2 {enable | disable}

    set uncomp-size-limit <limit_int>

    set uncomp-nest-limit <limit_int>

    set use-fsa {enable | disable}

    end


    Variable Description Default

    default-db {basic | extended}

    Select which of the antivirus signature databases to use when scanning HTTP POST requests for viruses, either:

    • basic—Select to use only the signatures of viruses and greyware that have been detected by FortiGuard’s networks to be recently spreading in the wild.
    • extended—Select to use all signatures, regardless of whether the viruses or greyware are currently spreading.
    		 basic

    scan-bzip2 {enable | disable}

    Enable to scan archives that are compressed using the BZIP2 algorithm.

    Tip: Scanning BZIP2 archives can be very CPU-intensive. To improve performance, block the BZIP2 file type, then disable this option.

    		 enable

    uncomp-size-limit <limit_int>

    Type the maximum size in kilobytes (KB) of the memory buffer that FortiWeb will use to temporarily undo the compression that a client or web server has applied to traffic, in order to inspect and/or modify it. For details, see waf file-uncompress-rule.

    Caution: Unless you configure otherwise, compressed requests that are too large for this buffer will pass through FortiWeb without scanning or rewriting. This could allow malware to reach your web servers, and cause HTTP body rewriting to fail. If you prefer to block requests greater than this buffer size, configure waf http-protocol-parameter-restriction. To be sure that it will not disrupt normal traffic, first configure action to be alert. If no problems occur, switch it to alert_deny.

    The maximum acceptable values are:

    102400 KB: FortiWeb 100D, 400C, 400D, 600D, 1000C, 3000CFsx, 3000DFsx, 4000C

    204800 KB: FortiWeb 1000D, 2000D, 3000D, 4000D, 1000E, 2000E, 3010E

    358400 KB: FortiWeb 3000E, 4000E

    		 5000

    uncomp-nest-limit <limit_int>

    		 Type the maximum number of allowed levels of compression (“nesting”) that FortiWeb will attempt to decompress. 12

    use-fsa {enable | disable}

    		 Enable to use the Signature Database from FortiSandbox to supplement the AV Signature Database. If enabled, FortiWeb will download the malware package from FortiSandbox's Signature Database every minute. disable
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