Snort ID

Owned by Aparna Rr
Nov 27, 2024
2 min read

About the Device

Snort is an open-source network intrusion prevention and detection system (IDS/IPS) developed by Sourcefire. Combining the benefits of signature, protocol, and anomaly-based inspection.

Device Information

 Entity

Particulars

 Entity

Particulars

Vendor Name

Snort

Product Name

Intrusion Detection System

Type of Device

Hosted

Collection Method

Log Type

 Ingestion label

Preferred Logging Protocol - Format

Log collection method

Log Type

 Ingestion label

Preferred Logging Protocol - Format

Log collection method

Snort

SNORT_IDS

Syslog - Unstructured

CyberHub

Port Requirements

Source

Destination

Port

Source

Destination

Port

Snort IDS

CyberHub

514 (UDP)

To facilitate secure communication and align with our best practice, we strongly encourage the use of Transport Layer Security (TLS) between your security devices and our Adaptive MxDR platform for event forwarding.

While we understand that TLS support may not be available on all devices, if your devices do support TLS communication, we recommend utilizing port 6514 for seamless integration.

In some cases, the upgraded version of the device might incorporate TLS support without prior notice. If you come across such a scenario or for further assistance in configuring TLS, we kindly ask you to reach out to your dedicated Adaptive MxDR Service Delivery Lead.

Device Configuration

To forward logs from Snort v2.x deployed on Linux OS Based device

  1. Loging to the Snort device using terminal.

  2. vi /etc/snort/snort.conf

  3. Add following entry 

    # syslog output alert_syslog: host=CYBERHUB_IP:514, LOG_AUTH LOG_ALERT

    Example: output alert_syslog: host=10.0.2.15:514, LOG_AUTH LOG_ALERT

  4. Save the /etc/snort/snort.conf file.

  5. Start the snort service.

  6. Stop the rsyslog service

  7.  

    vi /etc/rsyslogd.conf # remote host is: name/ip:port, e.g. 192.168.0.1:514, port optional *.* @@CYBERHUB_IP:514

    Example: *.* @@10.0.2.15:514

  8. Start the rsyslog service.

To forward logs from Snort v3.1.53 deployed on Linux OS Based Device (Tested in Ubuntu v22.04.2)

image-20241127-085157.png

  1. Log in to the Snort device using terminal.

  2. Stop the rsyslog and Snort Services. 

  3. Navigate to the Snort Installation Directory /usr/local/etc/snort/ and edit Snort Configuration file by using following command. 
    Snort installation directory can be any custom path in which you installed Snort. 

    # cd /usr/local/etc/snort # vi snort.lua

     

  4. Under configure outputs options append the following code. 

     You can use any facility and level as per your requirement. Here, we have configured it as local3.  

  5. Save the Snort Configuration File. 

  6. Navigate to the rsyslog service's default configuration files directory /etc/rsyslog.d. Then create a new file named 3-snort.conf.

  7. Add any of the following configurations in 3-snort.conf file based on whether you want to send logs over either TCP or UDP. 

    Sending Logs Over TCP

    Sending Logs Over UDP

  8. Save the File.

  9. Start rsyslog and then Snort service respectively. 

Integration Parameters

Parameters required from customer for Integration.

Property

Default Value

Description

Property

Default Value

Description

IP Address

Snort IDS interface IP address

Hostname or IP address of the device which forwards logs to the CyberHub

 

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About Accenture Security
Accenture Security is a leading provider of end-to-end cybersecurity services, including advanced cyber defense, applied cybersecurity solutions and managed security operations. We bring security innovation, coupled with global scale and a worldwide delivery capability through our network of Advanced Technology and Intelligent Operations centers. Helped by our team of highly skilled professionals, we enable clients to innovate safely, build cyber resilience and grow with confidence. Follow us @AccentureSecure on Twitter or visit us at www.accenture.com/security.

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