#!/bin/bash
set -euo pipefail
echo '=== ACCEL ==='
apt-cache policy accel-ppp 2>/dev/null | head -8 || true
echo '=== OPENVPN ==='
apt-cache policy openvpn 2>/dev/null | head -5 || true
echo '=== XL2TP ==='
apt-cache policy xl2tpd 2>/dev/null | head -5 || true
echo '=== 443/8443 ==='
ss -tlnp | grep -E ':443|:8443|:1194|:1723' || true
echo '=== NGINX 443 ==='
grep -n listen /etc/nginx/sites-enabled/* 2>/dev/null | head