$cfg = "C:\ProgramData\ssh\sshd_config"
Write-Host "=== Cambiando SSH a puerto 7022 ===" -ForegroundColor Green
Write-Host "Config: $cfg"

# Backup
Copy-Item $cfg "$cfg.bak" -Force -ErrorAction SilentlyContinue

# Leer, reemplazar, escribir
$content = Get-Content $cfg
$content = $content -replace '^\s*#?\s*Port\s+\d+', 'Port 7022'
$found = $content | Select-String '^Port 7022'
if (-not $found) { $content = @("Port 7022") + $content }
$content | Set-Content $cfg -Force

Write-Host "Verificacion:" -ForegroundColor Yellow
Get-Content $cfg | Select-String "Port"

Write-Host "`nReiniciando sshd..." -ForegroundColor Yellow
Stop-Service sshd -Force
Start-Sleep -Seconds 3
Start-Service sshd

Write-Host "`n=== netstat ===" -ForegroundColor Yellow
netstat -an | Select-String "LISTEN" | Select-String "7022"

Write-Host "`n=== LISTO ===" -ForegroundColor Green
Read-Host "Presione ENTER"