# Nuclei

### Docs

{% embed url="<https://docs.projectdiscovery.io/tools/nuclei/overview>" %}

### Basic Parameters

```
-u URL
-t template directory
-as automatic scan
-s critical,high,medium (SEVERITY)

Markdown results
-me results/
```

### Update Nuclei Engine

```
nuclei -update
```

### Update Nulcei templates (-ut) but this is done automatically!

```
nuclei -ut
```

### Network Scan (-target)

```
nuclei -target 192.168.1.0/24
```

### Web URL scan (-u)

```
nuclei -u http://server 
```

### Automatic scan (-as) with HTTP proxy

```
nuclei -u http://server -as --proxy http://127.0.0.1:8080
```

### Automatic scans with (-rate-limit) 4 requests per second against proxy 8088

```
nuclei -u http://server -as -rate-limit 4 --proxy http://127.0.0.1:8088
```

### Scan according severities (-s)

```
nuclei -u http://server -s critical,high,medium
```

### Templates (-t) and Tags (-tags)

{% embed url="<https://github.com/projectdiscovery/nuclei-templates>" %}

```
nuclei -u http://server -t  http/exposures/ --proxy http://127.0.0.1:8080
```

```
nuclei -u http://server -tags cve --proxy http://127.0.0.1:8080
```