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Signature Detail

Security Intelligence Center
Signatures
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Short Name

HTTP:PROXY:CAW-URI-RES

Severity

Info

Recommended

No

Category

HTTP

Keywords

CAW URI P2P CDN

Release Date

2008/07/15

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: CAW URI Resource Request


This signature detects Content-Addressable Web (CAW) Uniform Resource Identifier (URI) Resource requests. These are generally requests for a specific file referenced by hash (such as SHA1) for the purposes of file mirroring, typically used in a Content Distribution Network (CDN), but also used by many Peer to Peer (P2P) Networks. This signature triggers if you use a CDN for your Web site content or are using a mirror. Otherwise, it can be an indication of Peer to Peer activity.

References

  • URL: http://www.open-content.net/specs/draft-jchapweske-caw-03.html
  • URL: http://www.ietf.org/rfc/rfc2169.txt

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