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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 11:08:07 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 11:08:07 +0000
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Adding upstream version 1.29.3.upstream/1.29.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<!--
+title: "Libreswan IPSec tunnel monitoring with Netdata"
+custom_edit_url: https://github.com/netdata/netdata/edit/master/collectors/charts.d.plugin/libreswan/README.md
+sidebar_label: "Libreswan IPSec tunnels"
+-->
+
+# Libreswan IPSec tunnel monitoring with Netdata
+
+Collects bytes-in, bytes-out and uptime for all established libreswan IPSEC tunnels.
+
+The following charts are created, **per tunnel**:
+
+1. **Uptime**
+
+- the uptime of the tunnel
+
+2. **Traffic**
+
+- bytes in
+- bytes out
+
+## Configuration
+
+Edit the `charts.d/libreswan.conf` configuration file using `edit-config` from the Netdata [config
+directory](/docs/configure/nodes.md), which is typically at `/etc/netdata`.
+
+```bash
+cd /etc/netdata # Replace this path with your Netdata config directory, if different
+sudo ./edit-config charts.d/libreswan.conf
+```
+
+The plugin executes 2 commands to collect all the information it needs:
+
+```sh
+ipsec whack --status
+ipsec whack --trafficstatus
+```
+
+The first command is used to extract the currently established tunnels, their IDs and their names.
+The second command is used to extract the current uptime and traffic.
+
+Most probably user `netdata` will not be able to query libreswan, so the `ipsec` commands will be denied.
+The plugin attempts to run `ipsec` as `sudo ipsec ...`, to get access to libreswan statistics.
+
+To allow user `netdata` execute `sudo ipsec ...`, create the file `/etc/sudoers.d/netdata` with this content:
+
+```
+netdata ALL = (root) NOPASSWD: /sbin/ipsec whack --status
+netdata ALL = (root) NOPASSWD: /sbin/ipsec whack --trafficstatus
+```
+
+Make sure the path `/sbin/ipsec` matches your setup (execute `which ipsec` to find the right path).
+
+---
+
+[![analytics](https://www.google-analytics.com/collect?v=1&aip=1&t=pageview&_s=1&ds=github&dr=https%3A%2F%2Fgithub.com%2Fnetdata%2Fnetdata&dl=https%3A%2F%2Fmy-netdata.io%2Fgithub%2Fcollectors%2Fcharts.d.plugin%2Flibreswan%2FREADME&_u=MAC~&cid=5792dfd7-8dc4-476b-af31-da2fdb9f93d2&tid=UA-64295674-3)](<>)