# Verbindungen

**Aktive Verbindungen:**
```bash
netstat -an 
ss -an 
lsof -i 
```

**Port-Nutzung:**
```bash
netstat -tlnp | grep :PORT
ss -tlnp | grep :PORT
lsof -i :PORT
```

**Routing:**
```bash
ip route
route -n 
```

**Interfaces:**
```bash
ip addr
ip link 
ifconfig
```