humble
A humble, and fast, security-oriented HTTP headers analyzer
"千里之行,始於足下 - 老子"
("A journey of a thousand miles begins with a single step. - Lao Tzu")
"And if you don't keep your feet, there's no knowing where you might be swept off to. - Bilbo Baggins"
### Table of contents
[Features](#features)
[Screenshots](#screenshots)
[Installation & Update](#installation--update)
[Installation & Maintenance (Docker)](#installation--maintenance-docker)
[Usage](#usage)
[Advanced Usage](#advanced-usage)
[Checks: Missing Headers](#checks-missing-headers)
[Checks: Fingerprint Headers](#checks-fingerprint-headers)
[Checks: Deprecated Headers and Insecure Values](#checks-deprecated-headersprotocols-and-insecure-values)
[Checks: Empty Values](#checks-empty-values)
[Guidelines included](#guidelines-included-to-enable-security-http-headers)
[To-Do](#to-do)
[Further Reading](#further-reading)
[Contribute](#contribute)
[Acknowledgements](#acknowledgements)
[License](#license)
## Features
:heavy_check_mark: 14 [checks](#checks-missing-headers) of missing HTTP response headers.
:heavy_check_mark: 1186 [checks](#checks-fingerprint-headers) of fingerprinting through HTTP response headers.
:heavy_check_mark: 113 [checks](#checks-deprecated-headersprotocols-and-insecure-values) of deprecated HTTP response headers/protocols or with insecure/wrong values.
:heavy_check_mark: SSL/TLS checks: requires the **amazing** https://testssl.sh/.
:heavy_check_mark: Browser support references for enabled HTTP security headers: provided by https://caniuse.com/.
:heavy_check_mark: Two types of analysis: brief and detailed, along with HTTP response headers.
:heavy_check_mark: Can exclude specific HTTP response headers from the analysis.
:heavy_check_mark: Can export each analysis to CSV, HTML5, JSON, PDF 1.4 and TXT (and in a filename and path of your choice).
:heavy_check_mark: Can analyze '_raw response files_': text files with HTTP response headers and values. Ex: curl option '--dump-header'.
:heavy_check_mark: Highlights experimental headers in each analysis.
:heavy_check_mark: Each detailed analysis may include up to dozens of official links, references and technical articles.
:heavy_check_mark: l10n: can display each analysis, the messages and almost all errors in English or Spanish.
:heavy_check_mark: Saves each analysis, showing at the end the improvements or deficiencies in relation to the last one.
:heavy_check_mark: Can display analysis statistics: either against a specific URL or all of them.
:heavy_check_mark: Can display fingerprint statistics: either against a specific term or the Top 20.
:heavy_check_mark: Code reviewed via Bandit, Flake8, pyinstrument, SonarLint, Sourcery and vermin.
:heavy_check_mark: Tested, one by one, on thousands of URLs.
:heavy_check_mark: Tested on Docker 26.1, Kali Linux 2021.1, macOS 14.2.1 and Windows 10 20H2.
:heavy_check_mark: Almost all the code under one of the most permissive licenses: MIT.
:heavy_check_mark: Regularly updated.
:heavy_check_mark: Minimal dependencies required.
:heavy_check_mark: Featured on OWASP, Kali Linux, Artemis, DefectDojo and HackTricks.
:heavy_check_mark: Developed entirely in my spare time, no strings attached: feel free to try it out and integrate it into your projects!.
:heavy_check_mark: And with the approval of several AI :smile:!.
## Screenshots
.: (Windows) - Brief analysis.
.: (Linux) - Brief analysis along with HTTP response headers.
.: (Linux) - Detailed analysis, in Spanish.
.: (Linux) - Analysis of a "raw response file".
Example.
.: (Linux) - SSL/TLS checks.
```bash
Options used: -f -g -p -U -s --hints
```
.: (Linux) - List of HTTP fingerprint headers based on a specific term.
.: (Linux) - Brief analysis saved as CSV.
Example.
.: (Windows) - Detailed analysis saved as PDF.
Example.
.: (Linux) - Detailed analysis saved as HTML.
Example.
.: (Linux) - Brief analysis saved as JSON.
Example.
.: (Linux) - Analysis history file: Date, URL, Missing, Fingerprint, Deprecated/Insecure, Empty headers & Total warnings (the four previous totals).
.: (Linux) - Statistics of the analysis performed against a specific URL.
.: (Linux) - Statistics of the analysis performed against all URLs, in Spanish.
## Installation & Update
> [!NOTE]
> Python 3.8 or higher is required.
```bash
# Requirements: python3 and python3-pip
(Windows) https://www.python.org/downloads/windows/
(Linux) if not installed by default, install them via, e.g. Synaptic, apt, dnf, yum ...
(macOS) https://www.python.org/downloads/macos/
# Requirement: Git
(Windows) https://git-scm.com/download/win
(Linux) https://git-scm.com/download/linux
(macOS) https://git-scm.com/download/mac
# Setting up a virtual environment in Python (pending how to do it in Windows)
Note: '/home/bluesman/humble_venv' is a example path for the virtual environment.
$ python3 -m venv /home/bluesman/humble_venv
$ source /home/bluesman/humble_venv/bin/activate
$ cd /home/bluesman/humble_venv/
$ git clone https://github.com/rfc-st/humble.git
$ cd humble
$ pip3 install -r requirements.txt
# Good practice: deactivate the virtual environment after you have finished using 'humble'
$ deactivate
# Activate the virtual environment to analyze URLs again with 'humble'
$ cd /home/bluesman/humble_venv/
$ source /home/bluesman/humble_venv/bin/activate
$ cd humble
# Updating (weekly): activate the virtual environment and from 'humble' folder
$ git pull
# Updating (Release): activate the virtual environment, download the source code
# .zip file of the most recent Asset and unzip it in the 'humble' folder, overwriting files.
https://github.com/rfc-st/humble/releases
```
## Installation & Maintenance (Docker)
> [!NOTE]
> Python 3.8 will be used to [build](https://github.com/rfc-st/humble/blob/master/Dockerfile) the image.
```bash
# Install Docker, and make sure it's running.
# E.g. (Linux): https://www.kali.org/docs/containers/installing-docker-on-kali/
# E.g. (macOs): https://docs.docker.com/desktop/install/mac-install/
# E.g. (Windows): https://docs.docker.com/desktop/install/windows-install/
# Build the image, providing the TAG as the latest Release of 'humble': '1.42' in this example.
# https://github.com/rfc-st/humble/releases
# (Windows may require elevated console privileges)
$ docker build -t humble:1.42 .
# Run the analysis specifying the above TAG, along with the specific options for 'humble'.
# '-it', required: allocate a pseudo-TTY and keep the input interactive
# '-rm', required: automatically remove the container and associated anonymous volumes when it exits
# (Linux/macOS)
$ docker run -it --rm --name humble humble:1.42 /bin/bash -c "python3 humble.py -u https://facebook.com -b"
# (Windows)
$ docker run -it --rm --name humble humble:1.42 python3 humble.py -u https://facebook.com -b
# Removing (and untagging) previous images of 'humble' after upgrading to the latest release.
$ docker rmi humble:1.42
```
## Usage
```console
(Windows) $ py humble.py
(Linux) $ python3 humble.py
(macOS) $ python3 humble.py
usage: humble.py [-h] [-a] [-b] [-df] [-e [TESTSSL_PATH]] [-f [FINGERPRINT_TERM]] [-g] [-grd] [-if INPUT_FILE] [-l {es}] [-lic] [-o {csv,html,json,pdf,txt}] [-of OUTPUT_FILE]
[-op OUTPUT_PATH] [-r] [-s [SKIP_HEADERS ...]] [-u URL] [-ua USER_AGENT] [-v]
'humble' (HTTP Headers Analyzer) | https://github.com/rfc-st/humble | v.2024-11-01
options:
-h, --help show this help message and exit
-a Shows statistics of the performed analysis; if the '-u' parameter is ommited they will be global
-b Shows overall findings; if omitted detailed ones will be shown
-df Do not follow redirects; if omitted the last redirection will be the one analyzed
-e [TESTSSL_PATH] Shows TLS/SSL checks; requires the PATH of https://testssl.sh/
-f [FINGERPRINT_TERM] Shows fingerprint statistics; if 'FINGERPRINT_TERM' (e.g., 'Google') is omitted the top 20 results will be shown
-g Shows guidelines for enabling security HTTP response headers on popular servers/services
-grd Shows the checks to grade an analysis, along with advice for improvement
-if INPUT_FILE Analyzes 'INPUT_FILE': must contain HTTP response headers and values separated by ': '; E.g. 'server: nginx'.
-l {es} Defines the language for displaying analysis, errors and messages; if omitted, will be shown in English
-lic Shows the license for 'humble', along with permissions, limitations and conditions.
-o {csv,html,json,pdf,txt} Exports analysis to 'humble_scheme_URL_port_yyyymmdd_hhmmss_language.ext' file; csv/json will have a brief analysis
-of OUTPUT_FILE Exports analysis to 'OUTPUT_FILE'; if omitted the default filename of the parameter '-o' will be used
-op OUTPUT_PATH Exports analysis to 'OUTPUT_PATH'; must be absolute. If omitted the PATH of 'humble.py' will be used
-r Shows HTTP response headers and a detailed analysis; '-b' parameter will take priority
-s [SKIP_HEADERS ...] Skips 'deprecated/insecure' and 'missing' checks for the indicated 'SKIP_HEADERS' (separated by spaces)
-u URL Scheme, host and port to analyze. E.g. https://google.com
-ua USER_AGENT User-Agent ID from 'additional/user_agents.txt' file to use. '0' will show all and '1' is the default
-v, --version Checks for updates at https://github.com/rfc-st/humble
examples:
-u URL -a Shows statistics of the analysis performed against the URL
-u URL -b Analyzes URL and reports overall findings
-u URL -b -o csv Analyzes URL and exports overall findings to CSV format
-u URL -l es Analyzes URL and reports (in Spanish) detailed findings
-u URL -o pdf Analyzes URL and exports detailed findings to PDF format
-u URL -o html -of test Analyzes URL and exports detailed findings to HTML format and 'test' filename
-u URL -o pdf -op D:/Tests Analyzes URL and exports detailed findings to PDF format and 'D:/Tests' path
-u URL -r Analyzes URL and reports detailed findings along with HTTP response headers
-u URL -s ETag NEL Analyzes URL and skips 'deprecated/insecure' and 'missing' checks for 'ETag' and 'NEL' headers
-u URL -ua 4 Analyzes URL using the fourth User-Agent of 'additional/user_agents.txt' file
-a -l es Shows statistics (in Spanish) of the analysis performed against all URLs
-f Google Shows HTTP fingerprint headers related to the term 'Google'
```
## Advanced Usage
.: (Linux) - Show only the analysis summary.
```
$ python3 humble.py -u https://www.spacex.com | grep -A 8 "\!." | sed $'1i \n'
```
.: (Windows) - Show only the analysis summary, in Spanish. PowerShell >= 7 required.
```
$ py humble.py -u https://www.spacex.com -l es | Select-String -Pattern '!.' -Context 1,8 -NoEmphasis
```
.: (Linux) - Show only the URL, date and analysis summary.
```
$ python3 humble.py -u https://www.spacex.com | grep -A7 -E "0. Info|\!." | grep -v "^\[1\." | sed 's/[--]//g' | sed -e '/./b' -e :n -e 'N;s/\n$//;tn' | sed $'1i \n'
```
.: (Linux) - Show only the deprecated headers/protocols and insecure values.
```
$ python3 humble.py -u https://www.spacex.com | sed -n '/\[3/,/^\[4/ { /^\[4/!p }' | sed '$d' | sed $'1i \n'
```
.: (Linux) - Check for HTTP client errors (4XX).
```
$ python3 humble.py -u https://my.prelude.software/demo/index.pl | grep -A1 -B5 'Note : \|Nota : ' --color=never
```
.: (Linux) - Analyze multiple URLs and save the results as PDFs.
```
$ datasets=('https://facebook.com' 'https://github.com' 'https://www.spacex.com'); for dataset in "${datasets[@]}"; do python3 humble.py -u "$dataset" -o pdf; done
```
## Checks: Missing Headers
Check
this file.
## Checks: Fingerprint headers
Check
this file.
## Checks: Deprecated headers/protocols and insecure values
Check
this file.
> [!NOTE]
> _humble_ tries to be **strict**: both in checking HTTP response headers and their values; some of these headers may be
experimental and you may not agree with all the results after analysis.
>
> And that's **OK**! :smiley:; you should **never** blindly trust the results of security tools: there should be further work to decide whether the risk is non-existent, potential or real depending on the analyzed URL (its exposure, environment, etc).
## Checks: Empty values
Any HTTP response header.
## Guidelines included to enable security HTTP headers
* Amazon Web Services
* Apache HTTP Server
* Cloudflare
* LiteSpeed Web Server
* Microsoft Internet Information Services
* Nginx
* Node.js
* WordPress
## To-Do
- [ ] Add more Header/Value checks (only security-oriented)
- [ ] A new detailed analysis of all CSP directives/values (W3C Level
2 &
3)
- [ ] Google Style Python Docstrings and documentation via
Sphinx
## Further reading
https://caniuse.com/
https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers
https://github.com/search?q=http+headers+analyze
https://github.com/search?q=http+headers+secure
https://github.com/search?q=http+headers+security
https://owasp.org/www-project-secure-headers/
https://securityheaders.com/
https://scotthelme.co.uk/
https://webtechsurvey.com/common-response-headers
https://www.w3.org
## Contribute
* Read
this first!.
* Report a
Bug.
* Create a
Feature request.
* Report a
Security Vulnerability.
* Send me your suggestions: rafael.fcucalon@gmail.com
* Or use that email to tell me about integrations of this tool in others!
* And to recommend me a good Blues! :sunglasses:
Thanks for downloading _'humble'_, for trying it and for your time!.
## Acknowledgements
*
Bandit,
colorama,
Flake8,
fpdf2,
pyinstrument,
requests,
SonarLint,
Sourcery,
testssl.sh,
tldextract and
Vermin authors/teams: you rock :metal:!.
*
Aniket Navlur for
this gem.
*
Azathothas for reporting
this bug.
*
bulaktm for
this suggestion.
*
confuciussayuhm for
this suggestion.
*
cr4zyfish for some of
these suggestions.
*
danterolle for
this.
*
David for believing in the usefulness of this tool.
*
Eduardo for the first Demo and the example
"(Linux) - Analyze multiple URLs and save the results as PDFs".
*
gl4nce for
this suggestion.
* İDRİS BUDAK for reporting the need to
this check.
*
Julio for testing on macOS.
*
kazet for
this suggestion.
*
manuel-sommer for
this,
this and
this!.
*
MikeAnast for
several suggestions.
*
n3bojs4,
ehlewis and
dkadev for
this and
this.
*
sophie for keeping 'humble' updated in
Kali Linux and for
this.
*
stanley101music for
this,
this and
this!.
## License
MIT © 2020-2024 Rafa 'Bluesman' Faura (rafael.fcucalon@gmail.com)
Original Creator - Rafa 'Bluesman' Faura (rafael.fcucalon@gmail.com)