> Source: [sk106446](https://support.checkpoint.com/results/sk/sk106446)

# sk106446 - HTTP 206 "Partial Content" error in SmartView Tracker

| Property | Value |
|----------|-------|
| Solution ID | sk106446 |
| Date Created | 2015-06-14 |
| Last Modified | 2016-09-12 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R82.10, R82, R81.20 |

## Symptoms

- * When trying to open PDF file in browser that uses the Range header, server responses with HTTP 206 "Partial content" and sends this PDF file in pieces.   
  When SFT tries to determine the file type, its has to accumulate this file and on some point it runs out space in predefined buffer size.   

* Debug shows:   

  `
  sft_kiss_vbuf_iter_set: [SFT_ERROR] out of buf boundaries;`  
  `
  sft_kiss_vbuf_iter_increase: [SFT_ERROR] sft_kiss_vbuf_iter_set() failed;`  
  `
  `

## Solution

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