# Using Certificates

```bash
nxc smb 192.168.0.1 --pfx-cert user.pfx -u user 
```

```bash
nxc smb 192.168.0.1 --pfx-cert user.pfx --pfx-pass password -u user 
```

```bash
nxc smb 192.168.0.1 --pfx-base64 user.pfx -u user 
```

```bash
nxc smb 192.168.0.1 --pem-cert user.pem --pem-key key.pem -u user 
```

{% hint style="info" %}
When authenticate with a certificate, nxc will generate a ccache file inside nxc home directory, you can also use this ccache to authenticate with kerberos for other tools
{% endhint %}


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://www.netexec.wiki/getting-started/using-certificates.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.