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    Collect Fortinet Web Proxy logs

    Supported in:

    This document explains how to ingest Fortinet Web Proxy logs to Google Security Operations using the Bindplane agent.

    Fortinet FortiGate web proxy generates logs for explicit and transparent proxy sessions, capturing HTTP/HTTPS traffic, URL filtering decisions, and web access events. The logs use syslog key-value format and include network metadata, security actions, and user identity information.

    Before you begin

    Make sure you have the following prerequisites:

    • A Google SecOps instance
    • Windows Server 2016 or later, or Linux host with systemd
    • Network connectivity between the Bindplane agent and the FortiGate appliance
    • If running behind a proxy, ensure firewall ports are open per the Bindplane agent requirements
    • Privileged access to the FortiGate appliance with administrator permissions

    Get Google SecOps ingestion authentication file

    1. Sign in to the Google SecOps console.
    2. Go to SIEM Settings > Collection Agents.
    3. Download the Ingestion Authentication File.

    4. Save the file securely on the system where Bindplane will be installed.

    Get Google SecOps customer ID

    1. Sign in to the Google SecOps console.
    2. Go to SIEM Settings > Profile.

    3. Copy and save the Customer IDfrom the Organization Detailssection.

    Install the Bindplane agent

    Install the Bindplane agent on your Windows or Linux operating system according to the following instructions.

    Windows installation

    1. Open Command Promptor PowerShellas an administrator.

    2. Run the following command:

        msiexec 
  
 / 
 i 
  
 "https://github.com/observIQ/bindplane-agent/releases/latest/download/observiq-otel-collector.msi" 
  
 / 
 quiet

    3. Wait for the installation to complete.

    4. Verify the installation by running:

       sc query observiq-otel-collector

      The service should show as RUNNING.

    Linux installation

    1. Open a terminal with root or sudo privileges.

    2. Run the following command:

       sudo  
sh  
-c  
 " 
 $( 
curl  
-fsSlL  
https://github.com/observiq/bindplane-agent/releases/latest/download/install_unix.sh ) 
 " 
  
install_unix.sh

    3. Wait for the installation to complete.

    4. Verify the installation by running:

       sudo  
systemctl  
status  
observiq-otel-collector

      The service should show as active (running).

    Additional installation resources

    For additional installation options and troubleshooting, see the Bindplane agent installation guide .

    Configure the Bindplane agent to ingest syslog and send to Google SecOps

    Locate the configuration file

    • Linux:

       sudo  
nano  
/opt/observiq-otel-collector/config.yaml

    • Windows:

       notepad "C:\Program Files\observIQ OpenTelemetry Collector\config.yaml"

    Edit the configuration file

    • Replace the entire contents of config.yaml with the following configuration:

        receivers 
 : 
  
 udplog 
 : 
  
 listen_address 
 : 
  
 "0.0.0.0:514" 
 exporters 
 : 
  
 chronicle/fortinet_webproxy 
 : 
  
 compression 
 : 
  
 gzip 
  
 creds_file_path 
 : 
  
 '/etc/bindplane-agent/ingestion-auth.json' 
  
 customer_id 
 : 
  
 '<customer_id>' 
  
 endpoint 
 : 
  
 malachiteingestion-pa.googleapis.com 
  
 log_type 
 : 
  
 FORTINET_WEBPROXY 
  
 raw_log_field 
 : 
  
 body 
  
 ingestion_labels 
 : 
  
 env 
 : 
  
 production 
 service 
 : 
  
 pipelines 
 : 
  
 logs/webproxy_to_chronicle 
 : 
  
 receivers 
 : 
  
 - 
  
 udplog 
  
 exporters 
 : 
  
 - 
  
 chronicle/fortinet_webproxy

    Configuration parameters

    Replace the following placeholders:

    • Receiver configuration:

      • udplog : The receiver type based on protocol:
        • udplog for UDP syslog
        • tcplog for TCP syslog
      • 0.0.0.0 : IP address to listen on:
        • 0.0.0.0 to listen on all interfaces (recommended)
        • Specific IP address to listen on one interface
      • 514 : Port number to listen on (for example, 514 , 1514 , 6514 )

    • Exporter configuration:

      • fortinet_webproxy : Descriptive name for the exporter
      • creds_file_path : Full path to ingestion authentication file:
        • Linux: /etc/bindplane-agent/ingestion-auth.json
        • Windows: C:\Program Files\observIQ OpenTelemetry Collector\ingestion-auth.json
      • <customer_id> : Customer ID from the previous step
      • endpoint : Regional endpoint URL:
        • US: malachiteingestion-pa.googleapis.com
        • Europe: europe-malachiteingestion-pa.googleapis.com
        • Asia: asia-southeast1-malachiteingestion-pa.googleapis.com
        • See Regional Endpoints for complete list
      • FORTINET_WEBPROXY : Log type exactly as it appears in Chronicle
      • ingestion_labels : Optional labels in YAML format (for example, env: production )

    • Pipeline configuration:

      • webproxy_to_chronicle : Descriptive name for the pipeline

    Save the configuration file

    • After editing, save the file:
      • Linux: Press Ctrl+O , then Enter , then Ctrl+X
      • Windows: Click File > Save

    Restart the Bindplane agent to apply the changes

    • To restart the Bindplane agent in Linux, run the following command:

       sudo  
systemctl  
restart  
observiq-otel-collector

      1. Verify the service is running:

         sudo  
systemctl  
status  
observiq-otel-collector

      2. Check logs for errors:

         sudo  
journalctl  
-u  
observiq-otel-collector  
-f

    • To restart the Bindplane agent in Windows, choose one of the following options:

      • Command Prompt or PowerShell as administrator:

         net stop observiq-otel-collector && net start observiq-otel-collector

      • Services console:

        1. Press Win+R , type services.msc , and press Enter.
        2. Locate observIQ OpenTelemetry Collector.
        3. Right-click and select Restart.

        4. Verify the service is running:

           sc query observiq-otel-collector

        5. Check logs for errors:

            type 
  
 "C:\Program Files\observIQ OpenTelemetry Collector\log\collector.log"

    Configure Fortinet FortiGate web proxy syslog forwarding

    1. Sign in to the FortiGateweb interface.
    2. Go to Log & Report > Log Settings.
    3. Scroll down to the Remote Logging and Archivingsection.
    4. Under Syslog, click Add.
    5. Provide the following configuration details:
      • Name: Enter a descriptive name (for example, Chronicle-Bindplane ).
      • IP Address/FQDN: Enter the IP address of the Bindplane agent host (for example, 192.168.1.100 ).
      • Port: Enter 514 (must match the Bindplane agent receiver port).
      • Protocol: Select UDP.
      • Minimum Level: Select Informationor Notification.

    6. Ensure the Web Proxylog category is enabled. Alternatively, use the CLI to configure the syslog filter:

       config log syslogd setting
    set status enable
    set server <BINDPLANE_AGENT_IP>
    set port 514
end
config log syslogd filter
    set filter "logid(0300)"
    set filter-type include
end
      • The 0300 log ID range covers web proxy events. Adjust the filter according to your environment.
      • Replace <BINDPLANE_AGENT_IP> with the IP address of the Bindplane agent host.

    7. Click OKto save.

    8. Click Applyat the top right to apply the configuration.

    9. Verify that syslog messages are being received by checking the Bindplane agent logs.

    UDM mapping table

    Log Field UDM Mapping Logic
    group, profile, agent, subtype, catdesc, reqtype
    		 additional.fields Merged with labels created from each field
    action, has_network, has_principal, has_target
    		 metadata.event_type Set to USER_LOGIN if action is auth-logon, else NETWORK_HTTP if has_network true, else NETWORK_CONNECTION if has_principal and has_target true, else STATUS_UPDATE if has_principal true, else GENERIC_EVENT
    eventtype
    		 metadata.product_event_type Value copied directly
    logid
    		 metadata.product_log_id Value copied directly
    		metadata.product_name Set to "FORTINET_WEBPROXY"
    		metadata.vendor_name Set to "FORTINET_WEBPROXY"
    service
    		 network.application_protocol Value copied directly if service in HTTP, HTTPS
    direction
    		 network.direction Set to INBOUND if direction in incoming, inbound, response, else OUTBOUND if in outgoing, outbound
    httpmethod
    		 network.http.method Value copied directly if httpmethod in GET, POST
    referralurl
    		 network.http.referral_url Value copied directly
    proto, subtype, service
    		 network.ip_protocol Set to UDP if proto=17, TCP if proto=6 or subtype=wad, IP6IN4 if proto=41, ICMP if service=PING or proto=1 or service matches ICMP
    rcvdbyte
    		 network.received_bytes Converted to unsigned integer
    sentbyte
    		 network.sent_bytes Converted to unsigned integer
    sessionid
    		 network.session_id Value copied directly
    devname
    		 principal.asset.hostname Value copied directly
    srcip
    		 principal.asset.ip Value copied directly
    devname
    		 principal.hostname Value copied directly
    srcip
    		 principal.ip Value copied directly
    srccountry
    		 principal.location.country_or_region Value copied directly if not Reserved and not empty
    srcport
    		 principal.port Converted to integer
    srcuuid
    		 principal.user.product_object_id Value copied directly
    vd
    		 principal.user.user_display_name Value copied directly
    user
    		 principal.user.userid Value copied directly
    filtername
    		 security_result.about.resource.attribute.labels Merged with label created from filtername if not empty and not -
    action
    		 security_result.action Set to BLOCK if action=blocked, ALLOW if action in accept, passthrough
    devid, policyid, srcintf, srcintfrole, ratemethod, cat
    		 security_result.detection_fields Merged with labels created from each field
    msg
    		 security_result.description Value copied directly
    poluuid
    		 security_result.rule_id Value copied directly
    policytype
    		 security_result.rule_type Value copied directly
    level
    		 security_result.severity Set to HIGH if level=warning, MEDIUM if level=notice
    type
    		 security_result.summary Value copied directly
    dstip
    		 target.asset.ip Value copied directly
    filename
    		 target.file.full_path Value copied directly
    filetype
    		 target.file.mime_type Value copied directly
    filesize
    		 target.file.size Converted to unsigned integer
    hostname
    		 target.hostname Value copied directly
    dstip
    		 target.ip Value copied directly
    dstcountry
    		 target.location.country_or_region Value copied directly
    dstport
    		 target.port Converted to integer
    dstintf, dstintfrole
    		 target.resource.attribute.labels Merged with labels created from each field
    dstuuid
    		 target.resource.product_object_id Value copied directly
    url
    		 target.url Value copied directly

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