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Configure Filebeat to ship Cisco logs to Logstash and Elasticsearch.
Enable your Cisco ASA router to send logs to a remote server over TCP. As this isn't enabled by default you will need to enable it, you can follow the instructions here to do so.
curl -L -O https://artifacts.elastic.co/downloads/beats//-oss-7.15.1-amd64.deb sudo dpkg -i -oss-7.15.1-amd64.deb
curl -L -O https://artifacts.elastic.co/downloads/beats//-oss-7.15.1-x86_64.rpm sudo rpm -vi -oss-7.15.1-x86_64.rpm
curl -L -O https://artifacts.elastic.co/downloads/beats//-oss-7.15.1-darwin-x86_64.tar.gz tar xzvf -oss-7.15.1-darwin-x86_64.tar.gz
- Download and extract the Windows zip file.
- Rename the
-<version>-windowsdirectory to ``.
- Open a PowerShell prompt as an Administrator.
- Run the following to install as a Windows service:
PowerShell.exe -ExecutionPolicy UnRestricted -File .\install-service-.ps1.
Now in the filebeat.inputs section of the config file. You need to enabe tcp input.
The host is the Filebeat server itself and the port is what you have chosen as the tcp port.
You can then apply additional configuration settings to add an extra field type to all logs that come through this input. This will help us indentify them easily in Elasticsearch/Kibana.
filebeat.inputs: # Each - is an input. Most options can be set at the input level, so # you can use different inputs for various configurations. # Below are the input specific configurations. - type: tcp host: "0.0.0.0:xxxx" fields: type: cisco-asa fields_under_root: true encoding: utf-8 ignore_older: 3h
We need to ensure that any inputs we are using are enabled
filebeat.inputs: - type: log enabled: false
Enable the filebeat input, so it should look like the following
filebeat.inputs: - type: log enabled: true
We'll be shipping to Logstash so that we have the option to run filters before the data is indexed.
Comment out the elasticsearch output block.
## Comment out elasticsearch output #output.elasticsearch: # hosts: ["localhost:9200"]
Let's check the configuration file is syntactically correct by running directly inside the terminal.
If the file is invalid, will print an
error loading config file error message with details on how to correct the problem.
sudo -e -c /etc//.yml
cd <EXTRACTED_ARCHIVE> ./ -e -c .yml
cd <EXTRACTED_ARCHIVE> .\.exe -e -c .yml
Ok, time to start ingesting data!
sudo systemctl enable filebeat sudo systemctl start filebeat