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Cisco ASA Router configuration
A log shipper designed for files.
Configure Filebeat to ship Cisco logs to Logstash and Elasticsearch.
Step 1 - Configure Cisco Router
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.
Step 2 - Install Filebeat
deb (Debian/Ubuntu/Mint)
curl -L -O https://artifacts.elastic.co/downloads/beats//-oss-7.15.1-amd64.deb
sudo dpkg -i -oss-7.15.1-amd64.deb
rpm (CentOS/RHEL/Fedora)
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
macOS
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
Windows
- Download the Windows zip file from the official downloads page.
- Extract the contents of the zip file into C:\Program Files.
- Rename the
-<version>-windows
directory to ``. - Open a PowerShell prompt as an Administrator (right-click the PowerShell icon and select Run As Administrator). If you are running Windows XP, you may need to download and install PowerShell.
- Run the following commands to install as a Windows service:
cd 'C:\Program Files\'
.\install-service-.ps1
PowerShell.exe -ExecutionPolicy UnRestricted -File .\install-service-.ps1
.
Step 3 - Locate the configuration file
deb/rpm /etc/filebeat/filebeat.yml
mac/win <EXTRACTED_ARCHIVE>/filebeat.yml
Step 4 - Configure the inputs
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
Step 5 - Enable the input
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
Step 6 - Configure output
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"]
Step 7 - Validate configuration
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.
deb/rpm
sudo -e -c /etc//.yml
macOS
cd <EXTRACTED_ARCHIVE>
./ -e -c .yml
Windows
cd <EXTRACTED_ARCHIVE>
.\.exe -e -c .yml
Step 8 - Start filebeat
Ok, time to start ingesting data!
deb/rpm
sudo systemctl enable filebeat
sudo systemctl start filebeat
mac
./filebeat
Windows
Start-Service filebeat
Step 9 - how to diagnose no data in Stack
If you don't see data appearing in your Stack after following the steps, visit the Help Centre guide for steps to diagnose no data appearing in your Stack or Chat to support now.