# HTTP security headers

## General <a href="#http-security-headers-curl" id="http-security-headers-curl"></a>

<table><thead><tr><th width="269">HTTP header</th><th>Estado</th></tr></thead><tbody><tr><td>Strict-Transport-Security</td><td>Recomendado</td></tr><tr><td>Content-Security-Policy</td><td>Recomendado</td></tr><tr><td>X-Content-Type-Options</td><td>Recomendado</td></tr><tr><td>Content-Type</td><td>Recomendado</td></tr><tr><td>X-Frame-Options</td><td>Opcional según contexto</td></tr><tr><td>Referrer-Policy</td><td>Opcional según contexto</td></tr><tr><td>Cache-Control</td><td>Opcional según contexto</td></tr></tbody></table>

<details>

<summary>Strict-Transport-Security</summary>

{% code fullWidth="false" %}

```http
Strict-Transport-Security: max-age=31536000; includeSubDomains
```

{% endcode %}

</details>

<details>

<summary>Content-Security-Policy</summary>

```http
Content-Security-Policy: default-src 'self'; form-action 'self'; object-src 'none'; frame-ancestors 'none'; upgrade-insecure-requests; block-all-mixed-content
```

</details>

<details>

<summary>X-Content-Type-Options</summary>

```http
X-Content-Type-Options: nosniff
```

</details>

<details>

<summary>Content-Type</summary>

```http
Content-Type: application/json
Content-Type: application/xml
```

</details>

<details>

<summary><a href="../../explotacion/clickjacking#x-frame-options">X-Frame-Options</a></summary>

```http
X-Frame-Options: DENY
X-Frame-Options: SAMEORIGIN
X-Frame-Options: ALLOW-FROM <URI>
```

</details>

<details>

<summary>Referrer-Policy</summary>

```http
Referrer-Policy: no-referrer
```

</details>

<details>

<summary>Cache-Control</summary>

```http
Cache-Control: no-store
```

</details>

## cURL <a href="#http-security-headers-curl" id="http-security-headers-curl"></a>

```shell
curl -I -L --url <target>
```

* -I = headers.
* -L = seguir redireccionamientos.
* \--url = URL (Uniform Resource Locator).
  * \<target> = objetivo.

## Nmap <a href="#http-security-headers-nmap" id="http-security-headers-nmap"></a>

```shell
nmap -p 80,443 --script http-security-headers <target> -oN nmap-http-security-headers.txt
```

* -p = puertos.
* \--script http-security-headers = HTTP security headers.&#x20;
* \<target> = objetivo.

## Nuclei

```sh
nuclei -u <target> -t http/misconfiguration/http-missing-security-headers.yaml -ts -silent
```

## securityheaders

* <https://github.com/juerkkil/securityheaders>

```shell
securityheaders.py <target>
```

## shcheck

* <https://github.com/santoru/shcheck>

```shell
shcheck.py -i -k <target>
```

## Mozilla Observatory

* <https://observatory.mozilla.org/>

## OWASP Secure Headers Project

* <https://owasp.org/www-project-secure-headers/>

## Security Headers <a href="#security-headers" id="security-headers"></a>

* <https://securityheaders.com/>


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