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perf: Optimize network scan speed and defaults

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- Change default scan type from 'os' to 'quick' (much faster)
- Add -T4 timing template for aggressive speed
- Add --min-hostgroup for parallel host scanning
- Remove slow OS detection from quick scan
- Add time estimates in UI: ping ~30s, quick ~1-3min, os ~5-15min
- Color-coded scan options by speed
- ping scan: fastest, just host discovery
- quick scan: top 100 ports, no OS detection
This commit is contained in:
mblanke
2025-11-28 15:40:53 -05:00
parent e51e52129f
commit fecb4229b6
3 changed files with 33 additions and 12 deletions
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12
services/dashboard/app/main.py
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@@ -399,15 +399,15 @@ async def start_network_scan(request: NetworkScanRequest):
total_hosts = calculate_target_hosts(request.target)
# Build nmap command based on scan type
# Use --stats-every to get progress updates
# Use -T4 for faster timing, --stats-every for progress, --min-hostgroup for parallel scanning
scan_commands = {
"ping": f"nmap -sn {request.target} -oX - --stats-every 2s",
"quick": f"nmap -T4 -F -O --osscan-limit {request.target} -oX - --stats-every 2s",
"os": f"nmap -O -sV --version-light {request.target} -oX - --stats-every 2s",
"full": f"nmap -sS -sV -O -p- --version-all {request.target} -oX - --stats-every 2s"
"ping": f"nmap -sn -T4 --min-hostgroup 64 {request.target} -oX - --stats-every 1s",
"quick": f"nmap -T4 -F --top-ports 100 --min-hostgroup 32 {request.target} -oX - --stats-every 1s",
"os": f"nmap -T4 -O --osscan-guess --max-os-tries 1 --min-hostgroup 16 {request.target} -oX - --stats-every 2s",
"full": f"nmap -T4 -sS -sV -O --version-light -p- --min-hostgroup 8 {request.target} -oX - --stats-every 2s"
}
command = scan_commands.get(request.scan_type, scan_commands["os"])
command = scan_commands.get(request.scan_type, scan_commands["quick"])
network_scans[scan_id] = {
"scan_id": scan_id,

12
services/dashboard/templates/index.html
View File

@@ -836,12 +836,12 @@
</div>
<div class="bg-sp-grey/50 p-3 rounded text-xs text-sp-white-muted">
<p class="font-semibold text-sp-white mb-1">Scan Options:</p>
<p class="font-semibold text-sp-white mb-1">⏱️ Estimated Times (per /24):</p>
<ul class="space-y-1">
<li>• <strong>Ping Sweep:</strong> Fast host discovery only</li>
<li>• <strong>Quick Scan:</strong> Top 100 ports with OS hints</li>
<li>• <strong>OS Detection:</strong> Detailed OS fingerprinting</li>
<li>• <strong>Full Scan:</strong> Complete port + OS (slower)</li>
<li>• <strong class="text-green-400">Ping Sweep:</strong> ~10-30 seconds</li>
<li>• <strong class="text-blue-400">Quick Scan:</strong> ~1-3 minutes (recommended)</li>
<li>• <strong class="text-yellow-400">OS Detection:</strong> ~5-15 minutes</li>
<li>• <strong class="text-red-400">Full Scan:</strong> ~30-60+ minutes</li>
</ul>
</div>
</div>
@@ -894,7 +894,7 @@
networkScanProgress: { current: 0, total: 0, currentIp: '', hostsFound: 0 },
showRangeScanModal: false,
rangeScanTarget: '',
rangeScanType: 'os',
rangeScanType: 'quick',
phases: [
{