# BPF filter is empty

**URL:** https://discuss.elastic.co/t/bpf-filter-is-empty/221457
**Category:** Beats
**Tags:** packetbeat
**Created:** [February 28, 2020, 3:26pm UTC](https://discuss.elastic.co/t/bpf-filter-is-empty/221457 "2020-02-28T15:26:45Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![christoph\_service\_se](https://avatars.discourse-cdn.com/v4/letter/c/7ba0ec/32.png) [@christoph\_service\_se](https://discuss.elastic.co/u/christoph_service_se)
#### Post date: [February 28, 2020, 3:26pm UTC](https://discuss.elastic.co/t/bpf-filter-is-empty/221457/1 "2020-02-28T15:26:45Z")

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Hi Guys,

I try to set up packet beat up and runing on a windows 2012 r2 server.  
The problem is that the bpf filter is empty, no matter with port i define in packetbeat.protocols.  
Here are my config

packetbeat.interfaces.device: 0

packetbeat.flows:  
timeout: 30s  
period: 10s

packetbeat.protocols.dns:  
ports: [53]  
include\_authorities: true  
include\_additionals: true

setup.template.settings:  
index.number\_of\_shards: 1

Thanks for your help!

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<div class="post-metadata">

### Author: ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)
#### Post date: [March 27, 2020, 3:26pm UTC](https://discuss.elastic.co/t/bpf-filter-is-empty/221457/2 "2020-03-27T15:26:48Z")

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