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netdata
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nfacct.plugin
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README.md
<!--startmeta custom_edit_url: "https://github.com/netdata/netdata/edit/master/collectors/nfacct.plugin/README.md" meta_yaml: "https://github.com/netdata/netdata/edit/master/collectors/nfacct.plugin/metadata.yaml" sidebar_label: "Netfilter" learn_status: "Published" learn_rel_path: "Data Collection/Linux Systems/Firewall" most_popular: False message: "DO NOT EDIT THIS FILE DIRECTLY, IT IS GENERATED BY THE COLLECTOR'S metadata.yaml FILE" endmeta--> # Netfilter <img src="https://netdata.cloud/img/netfilter.png" width="150"/> Plugin: nfacct.plugin Module: nfacct.plugin <img src="https://img.shields.io/badge/maintained%20by-Netdata-%2300ab44" /> ## Overview Monitor Netfilter metrics for optimal packet filtering and manipulation. Keep tabs on packet counts, dropped packets, and error rates to secure network operations. Netdata uses libmnl (https://www.netfilter.org/projects/libmnl/index.html) to collect information. This collector is supported on all platforms. This collector supports collecting metrics from multiple instances of this integration, including remote instances. This plugin needs setuid. ### Default Behavior #### Auto-Detection This plugin uses socket to connect with netfilter to collect data #### Limits The default configuration for this integration does not impose any limits on data collection. #### Performance Impact The default configuration for this integration is not expected to impose a significant performance impact on the system. ## Metrics Metrics grouped by *scope*. The scope defines the instance that the metric belongs to. An instance is uniquely identified by a set of labels. ### Per Netfilter instance This scope has no labels. Metrics: | Metric | Dimensions | Unit | |:------|:----------|:----| | netfilter.netlink_new | new, ignore, invalid | connections/s | | netfilter.netlink_changes | insert, delete, delete_list | changes/s | | netfilter.netlink_search | searched, search_restart, found | searches/s | | netfilter.netlink_errors | icmp_error, insert_failed, drop, early_drop | events/s | | netfilter.netlink_expect | created, deleted, new | expectations/s | | netfilter.nfacct_packets | a dimension per nfacct object | packets/s | | netfilter.nfacct_bytes | a dimension per nfacct object | kilobytes/s | ## Alerts There are no alerts configured by default for this integration. ## Setup ### Prerequisites #### Install required packages Install `libmnl-dev` and `libnetfilter-acct-dev` using the package manager of your system. ### Configuration #### File The configuration file name for this integration is `netdata.conf`. Configuration for this specific integration is located in the `[plugin:nfacct]` section within that file. The file format is a modified INI syntax. The general structure is: ```ini [section1] option1 = some value option2 = some other value [section2] option3 = some third value ``` You can edit the configuration file using the `edit-config` script from the Netdata [config directory](https://github.com/netdata/netdata/blob/master/docs/configure/nodes.md#the-netdata-config-directory). ```bash cd /etc/netdata 2>/dev/null || cd /opt/netdata/etc/netdata sudo ./edit-config netdata.conf ``` #### Options <details><summary>Config options</summary> | Name | Description | Default | Required | |:----|:-----------|:-------|:--------:| | update every | Data collection frequency. | 1 | no | | command options | Additinal parameters for collector | | no | </details> #### Examples There are no configuration examples.