# Web Server Fingerprinting

### Banner Grabbing

To grab banner, you just have to connect to a listening daemon and then read the banner it send back to your client

#### With Netcat

```bash
$ nc targetip port
HEAD / HTTP/1.0
// Two Empty
// Lines
SERVER RESPONSE
```

***

### Fingerprinting with Httprint

It is a fingerprinting tool which uses **signature based techniques** to identify web servers.

```bash
httprint -P0 -h <target hosts> -s <signature file>
```

* P0 to avoid pinging hosts


---

# 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://notes.nomanaziz.me/cybersecurity/penetration-testing/elearnsecurity/ejpt/web-attacks/web-server-fingerprinting.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.