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Beginner

IronPort Proxy S370 large HTTPS downloads failing

We are having problems with HTTPS file downloads failing when going through our IronPort S370 Proxy.  Files will partially download in a resulting corrupt file, but the application will not perceive there to be a failure.

This happens at various points in the file downloads.  For example, trying to download a 92.9MB PowerPoint file from dropbox.com results in having to retry the download several times in order to get the full file.  How can I tell if this is a setting issue or a load issue?  This is a big issue with our users.

The first attempt failed at 63.4MB.

The second attempt failed at 36.5MB.

The third attempt failed at 85.1MB.

The fourth attempt worked at 92.9MB.

Model:     S370

AsyncOS Version:     7.5.0-833 for Web

Is anyone else experiencing or experienced this issue?  If so, how was it resolved?

Thanks,

  Chris

1 REPLY 1
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Cisco Employee

Hi Chris,

Please open a support case with WSA TAC.

Sincerely,

Erik Kaiser
WSA CSE
WSA Cisco Forums Moderator

Sincerely, Erik Kaiser WSA CSE WSA Cisco Forums Moderator
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