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[SRX] Downloading IDP Attack DB files using the offline method returns ‘error on line 1 at column 1: Encoding error’



Article ID: KB30920 KB Last Updated: 19 May 2016Version: 1.0

When downloading IDP Attack DB files using the offline method, the message, ‘error on line 1 at column 1: Encoding error’ is seen. This article shows you how to save the required IDP files regardless of the message.


When using Chrome to download the IDP offline update files, the following error message was seen:

Note: In this scenario, the user followed the instructions in TN83 - How to perform offline IDP and Application signature database update in SRX.


  1. In the error window, right-click on the page and select Save as.

  2.  Save the file, which is SignatureUpdate.xml. Repeat the same steps when downloading all other required files for offline update files, for Signature DB download.

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