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replit-integrationsStandard API Integration

How to Integrate Replit with McAfee

To integrate Replit with McAfee (now Trellix), generate an ePO API key from your Trellix ePO console, store it in Replit Secrets (lock icon πŸ”’) as TRELLIX_API_KEY, and call the Trellix ePO REST API from your server for threat intelligence queries and device management. Trellix ePO uses Bearer token authentication. Use a Reserved VM deployment for continuous threat monitoring workflows.

What you'll learn

  • How to generate a Trellix ePO API key and configure API access permissions
  • How to authenticate Replit requests to the ePO REST API with Bearer token headers
  • How to query endpoint threat status, device lists, and security events from Node.js and Python
  • How to run ePO system queries and retrieve compliance data programmatically
  • Best practices for building security dashboards that aggregate ePO threat data
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Intermediate14 min read25 minutesOtherMarch 2026RapidDev Engineering Team
TL;DR

To integrate Replit with McAfee (now Trellix), generate an ePO API key from your Trellix ePO console, store it in Replit Secrets (lock icon πŸ”’) as TRELLIX_API_KEY, and call the Trellix ePO REST API from your server for threat intelligence queries and device management. Trellix ePO uses Bearer token authentication. Use a Reserved VM deployment for continuous threat monitoring workflows.

Trellix ePO (McAfee) API Integration from Replit

McAfee rebranded as Trellix in 2022 following the merger of McAfee Enterprise and FireEye. The core enterprise endpoint security product β€” ePolicy Orchestrator (ePO) β€” remains the central management platform, now marketed as Trellix ePO. The ePO REST API provides programmatic access to endpoint security data: device inventory, threat detections, policy compliance status, security event logs, and management actions like initiating scans or pushing policy updates.

For Replit developers building security tooling, the ePO API enables custom dashboards, SIEM integrations, compliance reporting tools, incident response automation, and threat intelligence pipelines. Security operations teams often need to aggregate ePO data with other security sources β€” firewall logs, SIEM events, vulnerability scanner output β€” into unified dashboards that their tools do not natively support. A Replit server can serve as the integration layer.

Trellix ePO is an on-premises or cloud-hosted enterprise platform. Access to the API requires an active ePO deployment, admin credentials to generate API keys, and network connectivity between your Replit app and the ePO server (which may require VPN or IP allowlisting for on-premises ePO installations). Most enterprise ePO deployments are behind corporate firewalls, so you may need to work with your IT security team to establish connectivity from Replit's dynamic IP addresses.

Integration method

Standard API Integration

Trellix ePO (McAfee ePO) exposes a REST API for managing endpoints, querying threat data, running system queries, and retrieving security events. Authentication uses an API key generated in the ePO console, sent as a Bearer token in the Authorization header. Your Replit server stores the API key in Replit Secrets and makes authenticated requests to the ePO API to query device compliance, retrieve threat detections, and trigger management actions.

Prerequisites

  • A Replit account with a Node.js or Python Repl ready
  • Access to a Trellix ePO (McAfee ePO) deployment β€” on-premises or cloud
  • ePO administrator credentials to generate an API key
  • Network connectivity from Replit to your ePO server (may require IP allowlisting for on-premises ePO)

Step-by-step guide

1

Generate a Trellix ePO API Key

Log into your Trellix ePO console as an administrator. Navigate to User Management β†’ Users (in older ePO versions, this is under Menu β†’ User Management). Either use your existing admin account or create a dedicated service account for API integrations β€” using a service account with minimal necessary permissions is the more secure approach. For Trellix ePO Cloud (cloud-hosted), API key generation is available under your account settings. Look for 'API Token' or 'Developer Settings' in the account profile menu. The cloud API uses a different endpoint structure than on-premises ePO β€” the base URL follows the format https://api.manage.trellix.com for cloud deployments. For on-premises ePO (version 5.x and later), the REST API is enabled by default and accessible at https://{epo-hostname}:{port}/remote/. The port is typically 8443 for HTTPS. Verify the REST API is accessible by navigating to https://{epo-hostname}:8443/remote/ in your browser β€” you should see API documentation or a login page. Generate or retrieve the API credentials. Older on-premises ePO uses basic authentication (username:password) or session tokens rather than API keys. For Trellix cloud, use the OAuth-based API key. Store whichever credential type applies to your deployment. For on-premises ePO behind a corporate firewall, you will need to configure IP allowlisting for Replit's outbound IP addresses. Note that Replit uses dynamic IPs β€” for database-style integrations that require strict IP allowlisting, consider routing through a static IP proxy. Alternatively, consult with your security team about allowlisting the Replit IP ranges.

Pro tip: Create a dedicated service account in ePO with only the permissions needed for your integration (e.g., read-only access to device queries for a dashboard). Using a full admin account's credentials for an API integration increases blast radius if credentials are compromised.

Expected result: ePO API credentials have been obtained β€” either an API key for Trellix cloud or username/password credentials for on-premises ePO. You have the ePO base URL.

2

Store ePO Credentials in Replit Secrets

Click the lock icon (πŸ”’) in the left Replit sidebar to open the Secrets pane. Add the following secrets: TRELLIX_API_KEY: your Trellix ePO API key or authentication token. TRELLIX_EPO_URL: the base URL of your ePO server (e.g., https://your-epo.company.com:8443 for on-premises, or https://api.manage.trellix.com for cloud). For on-premises ePO that uses username/password authentication instead of an API key, store: TRELLIX_USERNAME: the ePO service account username. TRELLIX_PASSWORD: the service account password. These credentials provide access to your organization's endpoint security data β€” they must be treated as highly sensitive. Replit's Secret Scanner will alert you if credentials appear in code files. For on-premises ePO with self-signed SSL certificates, you may also need to configure your HTTP client to accept the certificate (or add it to your trusted certificates). This is common in enterprise environments where internal systems use internally-issued certificates that are not in public trust stores.

check-trellix-secrets.js
1// check-trellix-secrets.js
2const hasApiKey = !!process.env.TRELLIX_API_KEY;
3const hasUserPass = !!(process.env.TRELLIX_USERNAME && process.env.TRELLIX_PASSWORD);
4const hasUrl = !!process.env.TRELLIX_EPO_URL;
5
6if (!hasUrl) throw new Error('TRELLIX_EPO_URL missing. Set in Replit Secrets (lock icon πŸ”’).');
7if (!hasApiKey && !hasUserPass) throw new Error('Set TRELLIX_API_KEY or TRELLIX_USERNAME + TRELLIX_PASSWORD in Secrets.');
8
9console.log('Trellix ePO config OK.');
10console.log('ePO URL:', process.env.TRELLIX_EPO_URL);
11console.log('Auth method:', hasApiKey ? 'API Key' : 'Username/Password');

Pro tip: On-premises ePO often uses self-signed SSL certificates. If you get SSL certificate errors, set the HTTPS agent's rejectUnauthorized option to false only for development. In production, install your ePO server's CA certificate into the trust store.

Expected result: Trellix ePO credentials are stored in Replit Secrets. The check script prints the ePO URL and authentication method without errors.

3

Query Endpoint Data and Threats (Node.js)

Install required packages in the Shell tab: npm install axios express. The Trellix ePO REST API endpoint structure differs between cloud and on-premises deployments. For Trellix cloud, the base API URL is https://api.manage.trellix.com/epo/v2. For on-premises ePO 5.x+, REST API calls go to https://{host}:8443/remote/{command}. For on-premises ePO, the legacy REST API uses a command-based URL format: /remote/{CommandName} with parameters as query strings or JSON body. Key commands include: system.find (search devices), core.executeQuery (run a stored query), epo.getVersion (check ePO version), and threat.getLastThreat (retrieve recent threat detections). Authentication for on-premises ePO uses HTTP Basic Auth (Base64-encoded username:password in the Authorization header) or a session token obtained by calling /remote/core.login. The Trellix cloud API uses OAuth Bearer tokens. For querying threat data, the most useful approach is to run the built-in ePO threat event queries via the core.executeQuery command. Pass the query ID (found in the ePO Queries & Reports section) and it returns results as JSON. The ePO threat events table (EPOEvents) contains all security detections with fields like ThreatName, HostName, ThreatSeverity, ThreatActionTaken, and DetectedUTC. Deploy as Reserved VM if you need to continuously poll ePO for new threats. Use Autoscale if ePO integration is triggered on-demand (e.g., an analyst queries the dashboard).

trellix.js
1// trellix.js β€” Trellix ePO (McAfee) REST API integration for Node.js on Replit
2const axios = require('axios');
3const express = require('express');
4const https = require('https');
5
6const app = express();
7app.use(express.json());
8
9const EPO_URL = process.env.TRELLIX_EPO_URL;
10const API_KEY = process.env.TRELLIX_API_KEY;
11
12// HTTP client β€” for on-premises ePO with self-signed certs:
13// add httpsAgent: new https.Agent({ rejectUnauthorized: false }) for dev only
14const epoClient = axios.create({
15 baseURL: EPO_URL,
16 headers: {
17 'Authorization': `Bearer ${API_KEY}`,
18 'Content-Type': 'application/json',
19 'Accept': 'application/json'
20 }
21});
22
23// For on-premises ePO with basic auth instead of API key:
24const makeBasicAuthClient = () => {
25 const credentials = Buffer.from(
26 `${process.env.TRELLIX_USERNAME}:${process.env.TRELLIX_PASSWORD}`
27 ).toString('base64');
28 return axios.create({
29 baseURL: EPO_URL,
30 headers: {
31 'Authorization': `Basic ${credentials}`,
32 'Content-Type': 'application/json'
33 }
34 });
35};
36
37// Get device/system list from ePO
38app.get('/api/devices', async (req, res) => {
39 const { search = '', limit = 100 } = req.query;
40 try {
41 // On-premises ePO command: system.find
42 const response = await epoClient.get('/remote/system.find', {
43 params: {
44 searchText: search,
45 ':output': 'json'
46 }
47 });
48 // ePO wraps results in array
49 const devices = Array.isArray(response.data) ? response.data.slice(0, limit) : [response.data];
50 res.json({ devices, count: devices.length });
51 } catch (err) {
52 res.status(err.response?.status || 500).json({ error: err.message });
53 }
54});
55
56// Execute a stored ePO query by ID
57app.get('/api/query/:queryId', async (req, res) => {
58 try {
59 const response = await epoClient.get('/remote/core.executeQuery', {
60 params: {
61 queryId: req.params.queryId,
62 ':output': 'json'
63 }
64 });
65 res.json({ results: response.data });
66 } catch (err) {
67 res.status(err.response?.status || 500).json({ error: err.message });
68 }
69});
70
71// Get recent threat detections
72app.get('/api/threats', async (req, res) => {
73 const { hours = 24 } = req.query;
74 const since = new Date(Date.now() - hours * 3600000).toISOString();
75 try {
76 // Query EPOEvents table for recent threats
77 const response = await epoClient.get('/remote/core.executeQuery', {
78 params: {
79 target: 'EPOEvents',
80 select: '(select EPOEvents.ThreatName EPOEvents.HostName EPOEvents.ThreatSeverity EPOEvents.DetectedUTC)',
81 where: `(where (ge EPOEvents.DetectedUTC "${since}"))`,
82 order: '(order (desc EPOEvents.DetectedUTC))',
83 ':output': 'json'
84 }
85 });
86 res.json({ threats: response.data, since });
87 } catch (err) {
88 res.status(err.response?.status || 500).json({ error: err.message });
89 }
90});
91
92app.listen(3000, '0.0.0.0', () => console.log('Trellix ePO server running on port 3000'));

Pro tip: The ePO REST API's :output=json parameter is required for JSON responses from on-premises ePO. Without it, some commands return XML. Always include this parameter when making API calls to on-premises ePO.

Expected result: GET /api/devices returns the ePO managed device list. GET /api/threats?hours=24 returns threat detections from the last 24 hours. GET /api/query/{id} runs a stored ePO query.

4

Python Integration for Trellix ePO API

For Python Replit projects, install requests and flask: pip install requests flask. The Python client for Trellix ePO follows the same patterns as Node.js β€” create a requests.Session with the appropriate authentication headers and make GET requests to the ePO API endpoints. For on-premises ePO with self-signed SSL certificates in a development environment, set verify=False on the requests.Session to skip certificate validation. Always set verify=True or point to the actual CA certificate bundle in production. The core.executeQuery endpoint is particularly powerful β€” it runs any stored query in ePO's database and returns results as structured data. You can access the query IDs for built-in ePO reports from the ePO console under Queries & Reports. Custom queries built in ePO's query editor are also executable via this endpoint, allowing your Replit app to run sophisticated security analytics queries written in ePO's query language. For a threat monitoring background job, structure the Python script as an infinite loop with time.sleep() intervals. Fetch new threats every N minutes, compare against the last-seen timestamp stored in a database, and send notifications for genuinely new detections. Deploy this as a Reserved VM on Replit to keep it running continuously.

trellix_api.py
1# trellix_api.py β€” Trellix ePO (McAfee) REST API for Python on Replit
2import os
3import requests
4from flask import Flask, request, jsonify
5import base64
6
7EPO_URL = os.environ['TRELLIX_EPO_URL']
8API_KEY = os.environ.get('TRELLIX_API_KEY')
9USERNAME = os.environ.get('TRELLIX_USERNAME')
10PASSWORD = os.environ.get('TRELLIX_PASSWORD')
11
12# Build session with appropriate auth
13session = requests.Session()
14session.verify = True # Set to CA cert path for on-premises ePO, False only for dev
15
16if API_KEY:
17 # Trellix Cloud or newer ePO with API key
18 session.headers.update({'Authorization': f'Bearer {API_KEY}', 'Accept': 'application/json'})
19else:
20 # On-premises ePO with basic auth
21 creds = base64.b64encode(f'{USERNAME}:{PASSWORD}'.encode()).decode()
22 session.headers.update({'Authorization': f'Basic {creds}', 'Accept': 'application/json'})
23
24app = Flask(__name__)
25
26@app.route('/api/devices')
27def get_devices():
28 search = request.args.get('search', '')
29 try:
30 response = session.get(f'{EPO_URL}/remote/system.find', params={
31 'searchText': search,
32 ':output': 'json'
33 })
34 response.raise_for_status()
35 devices = response.json()
36 if not isinstance(devices, list):
37 devices = [devices]
38 return jsonify({'devices': devices, 'count': len(devices)})
39 except requests.HTTPError as e:
40 return jsonify({'error': str(e)}), e.response.status_code
41
42@app.route('/api/threats')
43def get_threats():
44 from datetime import datetime, timedelta
45 hours = int(request.args.get('hours', 24))
46 since = (datetime.utcnow() - timedelta(hours=hours)).strftime('%Y-%m-%dT%H:%M:%S')
47 try:
48 response = session.get(f'{EPO_URL}/remote/core.executeQuery', params={
49 'target': 'EPOEvents',
50 'select': '(select EPOEvents.ThreatName EPOEvents.HostName EPOEvents.ThreatSeverity EPOEvents.DetectedUTC)',
51 'where': f'(where (ge EPOEvents.DetectedUTC "{since}"))',
52 'order': '(order (desc EPOEvents.DetectedUTC))',
53 ':output': 'json'
54 })
55 response.raise_for_status()
56 return jsonify({'threats': response.json(), 'since': since})
57 except requests.HTTPError as e:
58 return jsonify({'error': str(e)}), e.response.status_code
59
60if __name__ == '__main__':
61 app.run(host='0.0.0.0', port=3000)

Pro tip: Set session.verify to the path of your organization's internal CA certificate bundle when connecting to on-premises ePO. This provides proper SSL verification without disabling it entirely. Ask your IT team for the CA certificate file.

Expected result: GET /api/devices returns ePO managed endpoints. GET /api/threats returns recent threat detections filtered by time range.

Common use cases

Security Compliance Dashboard

Build a real-time dashboard that shows endpoint protection coverage across the organization β€” which devices are compliant, which have outdated DAT files, which have active threat detections. Pull device inventory and threat status from ePO and visualize the data in a web UI accessible to the security team.

Replit Prompt

Build an Express API that queries Trellix ePO for device compliance status, counts non-compliant endpoints by policy violation type, and returns summary data for a security dashboard.

Copy this prompt to try it in Replit

Threat Alert Aggregation and Notification

Poll the ePO API for new threat detections at regular intervals. When new threats are detected above a severity threshold, send notifications to Slack, email, or a ticketing system. This builds a lightweight SIEM-like alert pipeline without expensive commercial tooling.

Replit Prompt

Create a Node.js script that polls ePO for threat detections from the last hour with severity >= High, deduplicates alerts, and sends a Slack notification with device name, threat name, and detection time.

Copy this prompt to try it in Replit

Device Inventory Sync

Sync the ePO device inventory with a configuration management database (CMDB) or asset tracking spreadsheet. Automatically add new managed endpoints, update device metadata, and flag retired devices. Keep your asset inventory in sync with what ePO actually manages.

Replit Prompt

Create an endpoint that fetches all devices from ePO with their hostname, OS, last-seen time, and DAT version, then compares against a database and reports devices added or missing since the last sync.

Copy this prompt to try it in Replit

Troubleshooting

Connection refused or SSL error when calling on-premises ePO API

Cause: The ePO server is behind a corporate firewall and is not accessible from Replit's IPs, or the SSL certificate is self-signed and the HTTP client rejects it, or the ePO port (8443) is not open to external access.

Solution: Work with your IT security team to either allowlist Replit's IP ranges in the ePO firewall, set up a VPN connection, or deploy the integration in a network segment with direct ePO access. For SSL issues, obtain the ePO server's CA certificate and configure your HTTP client to trust it.

typescript
1// For dev only β€” disable SSL verification
2const epoClient = axios.create({
3 httpsAgent: new (require('https').Agent)({ rejectUnauthorized: false })
4});

401 Unauthorized or session expired errors on API calls

Cause: The API key or session token has expired. Trellix cloud API tokens have expiry times. On-premises ePO session tokens expire after the configured idle timeout.

Solution: Regenerate the API key in the Trellix ePO console and update TRELLIX_API_KEY in Replit Secrets. For on-premises ePO that uses session tokens, implement automatic re-authentication by catching 401 responses and calling the login endpoint before retrying.

typescript
1// Re-authenticate on 401 for session-based auth
2async function callEpo(endpoint, params) {
3 try {
4 return await epoClient.get(endpoint, { params });
5 } catch (err) {
6 if (err.response?.status === 401) {
7 await reAuthenticate(); // Re-login and update session
8 return epoClient.get(endpoint, { params });
9 }
10 throw err;
11 }
12}

Queries return empty results even though ePO shows data

Cause: The service account used for API access does not have permission to the ePO data tree nodes where the devices or events are managed. ePO uses a permission set model β€” accounts can be restricted to specific groups of devices.

Solution: In ePO admin, check the service account's Permission Sets. Ensure it has View permissions on the relevant data tree nodes, query permissions, and event viewer permissions. A read-only security analyst permission set is often available as a template.

XML returned instead of JSON from on-premises ePO endpoints

Cause: The :output=json query parameter is missing from the request. On-premises ePO defaults to XML for its legacy REST API responses.

Solution: Add ':output': 'json' to the query parameters for all on-premises ePO API calls. This parameter must be included in every request β€” it is not a session-level setting.

typescript
1// Always include :output=json for on-premises ePO
2response = await epoClient.get('/remote/system.find', {
3 params: { searchText: '', ':output': 'json' } // <-- required
4});

Best practices

  • Store TRELLIX_API_KEY and TRELLIX_EPO_URL in Replit Secrets (lock icon πŸ”’) β€” these credentials provide access to your organization's security infrastructure
  • Create a dedicated service account in ePO with read-only permissions for monitoring/dashboard integrations rather than using admin credentials
  • For on-premises ePO behind a corporate firewall, work with your IT team to establish network connectivity rather than disabling SSL verification in production
  • Always include :output=json in query parameters for on-premises ePO API calls β€” without it the API returns XML
  • Implement automatic token refresh for cloud API integrations since Trellix cloud tokens have expiry times
  • Deploy as Reserved VM on Replit for continuous threat monitoring that polls ePO at regular intervals
  • Log all threat detections your integration processes with timestamps β€” audit trails are essential for security operations
  • Rate-limit your ePO polling to reasonable intervals (5-15 minutes) to avoid overloading the ePO server with API queries

Alternatives

Frequently asked questions

How do I connect Replit to McAfee / Trellix ePO?

Generate an API key or service account credentials from the Trellix ePO console, store them in Replit Secrets as TRELLIX_API_KEY and TRELLIX_EPO_URL, and make authenticated HTTP requests to the ePO REST API. For on-premises ePO, ensure network connectivity from Replit's IPs to your ePO server.

Does Replit work with McAfee / Trellix?

Yes. Trellix ePO's REST API is accessible over HTTPS from any server with network connectivity, including Replit. The main challenge for on-premises ePO is firewall access β€” Replit uses dynamic IPs, so work with your IT team to establish allowed connectivity. Trellix cloud deployments are directly accessible.

What is the difference between McAfee ePO and Trellix ePO?

McAfee rebranded its enterprise security products as Trellix in 2022 after the merger with FireEye. The core ePO platform is functionally the same but the API endpoints, authentication mechanisms, and cloud service URLs have updated. Legacy on-premises ePO installations may still use McAfee-era APIs while newer Trellix cloud deployments use updated OAuth-based APIs.

Can Replit access on-premises ePO behind a corporate firewall?

Not without network configuration work. On-premises ePO is typically behind a corporate firewall that blocks external access. You need either IP allowlisting for Replit's IP ranges (which are dynamic, complicating allowlisting), a VPN connection, or a reverse proxy. Consider deploying your integration in a network zone with direct ePO access rather than from Replit if firewall constraints are a persistent issue.

What deployment type should I use on Replit for ePO integrations?

Use Reserved VM for continuous threat monitoring jobs that poll ePO at regular intervals β€” this keeps the process running without cold starts. Use Autoscale for on-demand security dashboards where queries are triggered by user requests. Most security operations teams need continuous monitoring, which favors Reserved VM.

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