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Signature Detail

Security Intelligence Center
Signatures
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Short Name

HTTP:STC:SRVRSP:403-FORBID

Severity

Low

Recommended

No

Category

HTTP

Keywords

http 403 forbidden

Release Date

2003/04/22

Update Number

1213

Supported Platforms

idp-4.0+, isg-3.0+, j-series-9.5+, mx-9.4+, srx-9.2+, srx-branch-9.4+, vsrx-12.1+

HTTP: Unauthorized Access Attempt


This signature detects denied access to a URL by a Web server. This can be a Web client performing a simple user error, or an attacker attempting to break into the Web site.

Extended Description

If HTTP response code 403 is observed in public network traffic, this may indicate that a malicious party is attempting to access an unauthorized resource.

References

  • URL: http://www.checkupdown.com/status/E403.html

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