Enterprise Web Filtering: How It Works and How It Is Deployed

const API_URL = 'https://webfilteringdatabase.com/api/moderate.php';
const API_KEY = 'YOUR_API_KEY';

const BLOCKED_CATEGORIES = new Set([
    'Adult Content', 'Gambling', 'Weapons',
    'Drugs', 'Malware', 'Phishing'
]);

async function enforcePolicy(domain) {
    const response = await fetch(API_URL, {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({ api_key: API_KEY, query: domain })
    });
    const result = await response.json();

    // Check AUP category violations
    const violations = (result.categories || [])
        .filter(c => BLOCKED_CATEGORIES.has(c));
    if (violations.length) {
        return { action: 'BLOCK', reason: violations.join(', ') };
    }

    return { action: 'ALLOW', reason: result.primary_category };
}

// Check enterprise traffic
['slack.com', 'poker-site.xyz', 'drive.google.com']
    .forEach(async (d) => {
        const { action, reason } = await enforcePolicy(d);
        console.log(`${action}: ${d} (${reason})`);
    });

# Classify a domain for enterprise policy enforcement
curl -X POST "https://webfilteringdatabase.com/api/moderate.php" \
  -H "Content-Type: application/json" \
  -d '{
    "api_key": "YOUR_API_KEY",
    "query": "slack.com"
  }'

# Example response:
# {
#   "domain": "slack.com",
#   "primary_category": "Business",
#   "categories": ["Business", "Technology", "Messaging"]
# }

# Check a suspicious domain
curl -X POST "https://webfilteringdatabase.com/api/moderate.php" \
  -H "Content-Type: application/json" \
  -d '{
    "api_key": "YOUR_API_KEY",
    "query": "poker-site.xyz"
  }'

<?php
// Enterprise web security policy enforcement
$apiUrl = 'https://webfilteringdatabase.com/api/moderate.php';
$apiKey = 'YOUR_API_KEY';

$blockedCategories = ['Adult Content', 'Gambling', 'Weapons', 'Drugs', 'Malware'];

function enforcePolicy($domain, $apiUrl, $apiKey, $blocked) {
    $ch = curl_init($apiUrl);
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode([
        'api_key' => $apiKey,
        'query'   => $domain
    ]));
    curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    $result = json_decode(curl_exec($ch), true);
    curl_close($ch);

    // Check AUP violations
    $violations = array_intersect($result['categories'] ?? [], $blocked);
    if (!empty($violations)) {
        return ['BLOCK', implode(', ', $violations)];
    }

    return ['ALLOW', $result['primary_category'] ?? 'Uncategorized'];
}

// Enterprise gateway integration
$domains = ['slack.com', 'poker-site.xyz', 'drive.google.com'];
foreach ($domains as $d) {
    [$action, $reason] = enforcePolicy($d, $apiUrl, $apiKey, $blockedCategories);
    echo "$action: $d ($reason)\n";
}
?>