### Install Itsi on Windows (WSL)

Source: https://github.com/wouterken/itsi/blob/main/docs/content/getting_started/_index.md

Instructions for installing Itsi on Windows via the Windows Subsystem for Linux (WSL). Users should follow the Linux installation steps within their chosen WSL distribution.

```powershell
# Follow Linux instructions within WSL
# Example for Ubuntu/Debian:
# apt-get install build-essential libclang-dev curl
# gem install itsi
```

--------------------------------

### Install Itsi on Ubuntu/Debian

Source: https://github.com/wouterken/itsi/blob/main/docs/content/getting_started/_index.md

Installs Itsi and its scheduler on Ubuntu or Debian systems. Requires build tools and `clang`. The `gem install itsi` command is used for Ruby versions 3.0 and above, while `gem install itsi-server` is for Ruby 2.7.

```bash
apt-get install build-essential libclang-dev curl
```

```bash
gem install itsi
```

```bash
gem install itsi-server
```

--------------------------------

### Install Itsi on macOS

Source: https://github.com/wouterken/itsi/blob/main/docs/content/getting_started/_index.md

Installs Itsi and its scheduler on macOS. The `gem install itsi` command is used for Ruby versions 3.0 and above, while `gem install itsi-server` is for Ruby 2.7.

```bash
gem install itsi
```

```bash
gem install itsi-server
```

--------------------------------

### Install Itsi on FreeBSD

Source: https://github.com/wouterken/itsi/blob/main/docs/content/getting_started/_index.md

Installs Itsi and its scheduler on FreeBSD. Requires specific build tools like `gmake` and `llvm`. The `MAKE=gmake gem install itsi` command is used for Ruby versions 3.0 and above, while `MAKE=gmake gem install itsi-server` is for Ruby 2.7.

```bash
pkg install gmake cmake curl llvm
```

```bash
MAKE=gmake gem install itsi
```

```bash
MAKE=gmake gem install itsi-server
```

--------------------------------

### Install Itsi on Arch Linux/Manjaro

Source: https://github.com/wouterken/itsi/blob/main/docs/content/getting_started/_index.md

Installs Itsi and its scheduler on Arch Linux or Manjaro. Requires base development packages and `clang`. The `gem install itsi` command is used for Ruby versions 3.0 and above, while `gem install itsi-server` is for Ruby 2.7.

```bash
pacman -S base-devel clang curl
```

```bash
gem install itsi
```

```bash
gem install itsi-server
```

--------------------------------

### Install Itsi on Alpine Linux

Source: https://github.com/wouterken/itsi/blob/main/docs/content/getting_started/_index.md

Installs Itsi and its scheduler on Alpine Linux. Requires build tools and `clang`. The `gem install itsi` command is used for Ruby versions 3.0 and above, while `gem install itsi-server` is for Ruby 2.7.

```bash
apk add build-base clang curl
```

```bash
gem install itsi
```

```bash
gem install itsi-server
```

--------------------------------

### Install Itsi on Fedora/RHEL/Rocky/AlmaLinux

Source: https://github.com/wouterken/itsi/blob/main/docs/content/getting_started/_index.md

Installs Itsi and its scheduler on Fedora, RHEL, Rocky Linux, or AlmaLinux. Requires development tools and `clang`. The `gem install itsi` command is used for Ruby versions 3.0 and above, while `gem install itsi-server` is for Ruby 2.7.

```bash
dnf groupinstall "Development Tools"
dnf install clang curl
```

```bash
gem install itsi
```

```bash
gem install itsi-server
```

--------------------------------

### Interactive Mode Program Notice

Source: https://github.com/wouterken/itsi/blob/main/LICENSE.txt

This snippet provides example text for a program's output when it starts in interactive mode. It informs the user about the program's warranty status and redistribution terms, referencing hypothetical commands for more details.

```text
<program>  Copyright (C) <year>  <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
```

--------------------------------

### Itsi.rb Configuration Example

Source: https://github.com/wouterken/itsi/blob/main/gems/server/lib/itsi/server/config/options/_index.md

An example Itsi.rb configuration file demonstrating settings for workers, threads, authentication, auto-reloading, and location-based routing with rate limiting and rackup files.

```ruby
workers 2

threads 2

fiber_scheduler true

auth_basic realm: "Restricted Area", credentials_file: "./credentials.txt"

auto_reload_config! # Auto-reload the server configuration each time it changes.

location "/app*" do
  rate_limit requests: 3, seconds: 5
  rackup_file "config.ru"
end

location "/inline*" do
  get "/" do |req|
    req.ok "Hello, World!"
  end
end
```

--------------------------------

### Run Slow Service

Source: https://github.com/wouterken/itsi/blob/main/examples/hybrid_scheduler_mode/README.md

Instructions to navigate to the slow_service directory and start the service using the 'itsi' command.

```bash
cd ./slow_service
itsi
```

--------------------------------

### Run Hybrid Scheduler Mode Example

Source: https://github.com/wouterken/itsi/blob/main/examples/hybrid_scheduler_mode/README.md

Instructions to run the hybrid scheduler mode example in a separate terminal tab using the 'itsi' command.

```bash
itsi
```

--------------------------------

### ASP File Examples

Source: https://github.com/wouterken/itsi/blob/main/gems/server/lib/itsi/server/config/known_paths/cgi/CGI_XPlatform.txt

Examples of Active Server Pages (.asp) files found in the project, some with query parameters indicating potential web functionality or security probes.

```asp
iishelp/iis/htm/tutorial/redirect.asp
```

```asp
iishelp/iis/misc/default.asp
```

```asp
iissamples/exair/howitworks/Code.asp
```

```asp
iissamples/exair/howitworks/Codebrw1.asp
```

```asp
iissamples/exair/search/advsearch.asp
```

```asp
iissamples/exair/search/query.asp
```

```asp
iissamples/exair/search/search.asp
```

```asp
iissamples/issamples/SQLQHit.asp
```

```asp
iissamples/issamples/codebrws.asp
```

```asp
iissamples/issamples/oop/qfullhit.htw?CiWebHitsFile=/iissamples/issamples/oop/qfullhit.htw&CiRestriction=none&CiHiliteType=Full
```

```asp
iissamples/issamples/oop/qsumrhit.htw?CiWebHitsFile=/iissamples/issamples/oop/qsumrhit.htw&CiRestriction=none&CiHiliteType=Full
```

```asp
iissamples/issamples/sqlqhit.asp
```

```asp
iissamples/sdk/asp/docs/CodeBrws.asp?Source=/IISSAMPLES/%c0%ae%c0%ae/%c0%ae%c0%ae/bogus_directory/nonexistent.asp
```

```asp
iissamples/sdk/asp/docs/CodeBrws.asp?Source=/IISSAMPLES/%c0%ae%c0%ae/default.asp
```

```asp
iissamples/sdk/asp/docs/codebrw2.asp
```

```asp
iissamples/sdk/asp/docs/codebrws.asp
```

--------------------------------

### API Request Example (GET /)

Source: https://github.com/wouterken/itsi/blob/main/gems/server/lib/itsi/server/config/middleware/endpoint/controller.md

Demonstrates a simple GET request to the root endpoint `/` using `curl`, showing the expected plain text response.

```bash
curl http://0.0.0.0:3000/

I'm home
```

--------------------------------

### Install Itsi Scheduler (Linux/Mac)

Source: https://github.com/wouterken/itsi/blob/main/docs/content/itsi_scheduler/_index.md

Instructions for installing the Itsi Scheduler gem using the `gem` command. Includes prerequisites for Linux and notes for Windows users.

```bash
apt-get install build-essential libclang-dev
gem install itsi-scheduler
```

```bash
gem install itsi-scheduler
```

--------------------------------

### Ruby UserController Implementation

Source: https://github.com/wouterken/itsi/blob/main/gems/server/lib/itsi/server/config/middleware/endpoint/controller.md

Provides an example of a `UserController` class in Ruby. It includes an `initialize` method for one-time setup and a `create` method that handles request processing, parameter parsing using schemas, user creation, and formatted response generation.

```ruby
class UserController

  def initialize()
    # One time controller set-up here
  end

  def create(request, params: UserInputSchema, response_format: UserResponseSchema)
    user = User.create!(params)
    request.created \
      json: {
        id: user.id,
        email: user.email,
        full_name: "#{user.first_name} #{user.last_name}",
        created_at: user.created_at.iso8601,
        address: {
          street: user.address.street,
          city: user.address.city,
          postcode: user.address.postcode
        }
      },
      as: response_format
  end
end

# Dummy data model.
Address = Struct.new(:street, :city, :postcode, :country, keyword_init: true)

class User < Struct.new(
  :id, :email, :first_name, :last_name, :created_at,
  :address, :age, :active, :roles, keyword_init: true)
  def self.create!(params)
    self.new(
      id: Random.rand(1000000...99999999),
      address: Address.new(params.delete :address),
      **params,
      created_at: Time.now
    )
  end
end
```

--------------------------------

### Web Application Examples

Source: https://github.com/wouterken/itsi/blob/main/gems/server/lib/itsi/server/config/known_paths/webservers-appservers/Websphere.txt

Paths indicating example applications or components within the WebSphere Samples directory. These often demonstrate specific features or functionalities of WebSphere.

```apidoc
Web Application Examples:

/WebSphereSamples/SingleSamples/AccountAndTransfer/create.html
  - Description: HTML file for creating accounts and performing transfers in a sample application.

/WebSphereSamples/SingleSamples/Increment/increment.html
  - Description: HTML file for an incrementing counter sample.

/WebSphereSamples/YourCo/main.html
  - Description: Main HTML page for the 'YourCo' sample application.

/samples/activitysessions
  - Description: Directory for samples related to activity sessions.

/webapp/examples/ErrorServlet
  - Description: Example servlet demonstrating error handling.

/webapp/examples/HelloPervasive
  - Description: Example demonstrating pervasive computing concepts.

/webapp/examples/HitCount
  - Description: Example servlet for counting hits.

/webapp/examples/SourceCodeViewer
  - Description: Utility to view source code of examples.

/webapp/examples/login.html
  - Description: Example login page.

/webapp/examples/ping
  - Description: Example servlet for checking server availability.

/webapp/examples/showCfg
  - Description: Example servlet to display configuration.

/webapp/examples/simple.jsp
  - Description: A simple JSP example.

/webapp/examples/verify
  - Description: Example servlet for verification processes.
```

--------------------------------

### PHP File Examples

Source: https://github.com/wouterken/itsi/blob/main/gems/server/lib/itsi/server/config/known_paths/cgi/CGI_XPlatform.txt

Examples of PHP (.php, .php3) files, including instances with potential cross-site scripting (XSS) payloads in query parameters.

```php
imp/horde/test.php
```

```php
imp/mailbox.php3?actionID=6&server=x&imapuser=x';somesql+--&pass=x
```

```php
inc/common.load.php
```

```php
inc/config.php
```

```php
inc/dbase.php
```

```php
inc/sendmail.inc
```

```php
include.php?path=contact.php&contact_email=">&lt;script&gt;alert(document.cookie);&lt;/script&gt;
```

```php
include/customize.php
```

```php
include/help.php
```

```php
include/new-visitor.inc.php
```

```php
includes/adovbs.inc
```

```php
includes/footer.php3
```

```php
includes/header.php3
```

```php
index.php/123
```

```php
index.php/\"<script><script>alert(document.cookie)</script><
```

```php
index.php/content/advancedsearch/?SearchText=<script>alert(document.cookie)</script>&PhraseSearchText=<script>alert(document.cookie)</script>&SearchContentClassID=-1&SearchSectionID=-1&SearchDate=-1&SearchBu
```

```php
index.php/content/search/?SectionID=3&SearchText=<script>alert(document.cookie)</script>
```

```php
index.php?=PHPB8B5F2A0-3C92-11d3-A3A9-4C7B08C10000
```

--------------------------------

### API Endpoint Examples

Source: https://github.com/wouterken/itsi/blob/main/gems/server/lib/itsi/server/config/known_paths/backdoors/bot_control_panels.txt

Examples of URLs that appear to be API endpoints or dynamic resource requests. These often include parameters for specific actions or data retrieval.

```APIDOC
go.php?html=do
gttfi.php?id=019451425260376469&ext=ixioJXXJFCRrrDatKHhK
gttfi.php?id=019451425260376469&ext=YmFkc3R1ZmYuZGxs
handle. php?addr=http%3A
h. gif ?pid =1 13&v=130586214568
h.gif ?pid =1 13&v=130586214568
http: http:(C&C):443
idssvc.jsp?comment=wget+http:
iesvc.jsp?comment=wget+http:
inbox.php?ltype=ld&ccr=1&id=E81B90884C4C45445458&stat=0&ver=2000803&loc=0x0409&os=Windows%20XP
index.htm?n763t4OPmrs6fXq7fXp7uj16e-r&Length=0
index.php?uid=587609&ver=8g%20XP
indexbak.asp?rands=IXLCGIXELZ&acc=&str=select%20id%20from%20tab_online%20where%20regc
info.asp
in.php?q=WPOChVXlw9QiOTwtCbg+uSk36elyOCiUwI99U0PYxA==
install.sql.tpl
install.sql
install.php
install_en.txt
install.txt
install.txt
iPasedSn.bas
ip_files
ip.php
iStarPcOns.bas
iUnamex.bas
ixjxqn-jtixjx-qnjt_tfdhgj-opjx-gxytfqbqgsusltnojtyhsn_syvrzh-htof-clgowkblrzrqfrgsuqgdit_ruky_.php
jobs_add.php
jobs_add_window.php
jobs_add_window.tpl
jobs_bot_edit.php
jobs_designer.php
jobs_edit.php
jobs_edit_window.php
jobs_edit_window.tpl
jobs.php
jobs.tpl
knok.php?id=SYSTEM!VICTIM!9B88F779&ver=21&up=162&os=XP%20Service%20Pack%202
kys_allowget.asp?namegetkys.kys
login.php?cd2hpdGU&uU11TVEV&s&pMTkyLjE2OC4wljYS&hi2wsdf35l
logos.gif?114bbc=9068000
logos.gif?1f5428=8212640

```

--------------------------------

### View Hello World Benchmark Data

Source: https://github.com/wouterken/itsi/blob/main/docs/content/benchmarks/index.md

This URL provides access to benchmark results for a 'Hello World' test case. It includes parameters for CPU, test case, thread/worker configuration, concurrency, HTTP/2 status, graph axis (concurrency), metric (RPS), and the list of servers to display. This link is useful for comparing server performance with a simple response.

```url
https://example.com/benchmarks?cpu=amd_ryzen_5_5600x_6_core_processor&testCase=hello_world&threads=1&workers=1&concurrency=10&http2=all&xAxis=concurrency&metric=rps&visibleServers=agoo%2Cfalcon%2Citsi%2Cpuma%2Cpuma__caddy%2Cpuma__h2o%2Cpuma__itsi%2Cpuma__nginx%2Cpuma__thrust%2Cunicorn%2Ciodine%2Ccaddy%2Ch2o%2Cnginx%2Cgrpc_server.rb
```

--------------------------------

### Basic GET Endpoint Example

Source: https://github.com/wouterken/itsi/blob/main/gems/server/lib/itsi/server/config/middleware/endpoint/http_request.md

Demonstrates a simple GET endpoint that accepts a request object and defines a block for handling the request.

```ruby
get "/" do |req|
  # Request handling logic here
end
```

--------------------------------

### Core Application Files

Source: https://github.com/wouterken/itsi/blob/main/gems/server/lib/itsi/server/config/known_paths/cms/php-nuke.txt

These are the main entry points and configuration files for the application. They manage core functionalities and module loading.

```php
html/mainfile.php
html/modules.php
```

--------------------------------

### GET /middleware/get Endpoint

Source: https://github.com/wouterken/itsi/blob/main/gems/server/lib/itsi/server/config/middleware/endpoint/get.md

The 'get' middleware is an endpoint specifically designed for handling HTTP GET requests. It acts as a lightweight middleware component, allowing direct request handling without a full application framework. It supports optional routing to controllers and enforces request/response schemas.

```APIDOC
GET /middleware/get

Description:
  Handles HTTP GET requests as a lightweight middleware endpoint.
  Supports optional controller routing and request/response schema enforcement.

URL:
  /middleware/get

Method:
  GET

Parameters:
  (Implicitly handled by schema enforcement if configured)

Returns:
  (Response based on controller logic or schema enforcement)

Related:
  /middleware/endpoint
```

--------------------------------

### Run Itsi for Ruby apps

Source: https://github.com/wouterken/itsi/blob/main/README.md

Starts the Itsi server to serve a Ruby application. Assumes a `config.ru` file is present in the current directory.

```bash
itsi
```

--------------------------------

### CGI Script Examples

Source: https://github.com/wouterken/itsi/blob/main/gems/server/lib/itsi/server/config/known_paths/cgi/CGI_XPlatform.txt

Examples of Common Gateway Interface (.cgi) scripts, often used for server-side processing.

```cgi
ikonboard/help.cgi?
```

```cgi
imageFolio.cgi
```

```cgi
imagefolio/admin/admin.cgi
```

--------------------------------

### Configuration and Data Files

Source: https://github.com/wouterken/itsi/blob/main/gems/server/lib/itsi/server/config/known_paths/backdoors/bot_control_panels.txt

Various configuration files (.conf, .inc, .obj, .xml, .tpl, .sql, .txt) and data files (.tar.gz, .zip) used for application settings, database schemas, templates, and archives.

```config
guimanifest.xml
inc.config.php
installdata.inc.php
jpg-config.inc.php
language.en.php
language.ru.php
lighttpd_rewrite.conf
localconfig.obj
localsettings.obj
login.php?cd2hpdGU&uU11TVEV&s&pMTkyLjE2OC4wljYS&hi2wsdf35l
logos.gif?114bbc=9068000
logos.gif?1f5428=8212640
logo_text.psd
logs.tpl
logs_static.tpl
jobs_add_window.tpl
jobs_edit_window.tpl
jobs.tpl
index.tpl
info.tpl
grabber.tpl
install.sql.tpl
install.sql
install.txt
Install.txt
info.txt
HowTo.txt
How-To.txt
hits.txt
grabber.php
grabber.tpl
grab.php
grab2.php
g.php
guimanifest.xml
grabber.tpl
grabber.php
grab.php
grab2.php
g.php
guimanifest.xml

```

--------------------------------

### HTML File Example

Source: https://github.com/wouterken/itsi/blob/main/gems/server/lib/itsi/server/config/known_paths/cgi/CGI_XPlatform.txt

HTML files, which form the structure and content of web pages. These are standard web development components.

```html
easylog/easylog.html
```

```html
doc-html/index.html
```

```html
examples/jsp/index.html
```

```html
examples/servlets/index.html
```

--------------------------------

### Curl Examples for Subpath Mounting

Source: https://github.com/wouterken/itsi/blob/main/gems/server/lib/itsi/server/config/middleware/run.md

Provides example `curl` commands to demonstrate the behavior of Rack applications mounted at a subpath, showing how `SCRIPT_NAME` and `PATH_INFO` are reflected in the output.

```bash
$ curl http://0.0.0.0:3000/subpath/child_path
/subpath:/child_path

$ curl http://0.0.0.0:3000/root/child_path
:/root/child_path
```

--------------------------------

### Servlet Examples

Source: https://github.com/wouterken/itsi/blob/main/gems/server/lib/itsi/server/config/known_paths/cgi/CGI_XPlatform.txt

A list of various servlet paths, some of which are associated with known vulnerabilities or administrative interfaces.

```url
servlet/AdminServlet
```

```url
servlet/ContentServer?pagename=<script>alert('Vulnerable')</script>
```

```url
servlet/CookieExample?cookiename=<script>alert("Vulnerable")</script>
```

```url
servlet/Counter
```

```url
servlet/DateServlet
```

```url
servlet/FingerServlet
```

```url
servlet/HelloWorldServlet
```

```url
servlet/IsItWorking
```

```url
servlet/MsgPage?action=test&msg=<script>alert('Vulnerable')</script>
```

```url
servlet/PrintServlet
```

```url
servlet/SchedulerTransfer
```

```url
servlet/SearchServlet
```

```url
servlet/ServletManager
```

```url
servlet/SessionManager
```

```url
servlet/SessionServlet
```

```url
servlet/SimpleServlet
```

```url
servlet/SnoopServlet
```

```url
servlet/admin?category=server&method=listAll&Authorization=Digest+username%3D%22admin%22%2C+response%3D%22ae9f86d6beaa3f9ecb9a5b7e072a4138%22%2C+nonce%3D%222b089ba7985a883ab2eddcd3539a6c94%22%2C+realm%3D%22a
```

```url
servlet/allaire.jrun.ssi.SSIFilter
```

```url
servlet/com.livesoftware.jrun.plugins.ssi.SSIFilter
```

```url
servlet/com.newatlanta.servletexec.JSP10Servlet/
```

```url
servlet/com.newatlanta.servletexec.JSP10Servlet/..%5c..%5cglobal.asa
```

```url
servlet/com.unify.servletexec.UploadServlet
```

```url
servlet/custMsg?guestName=<script>alert("Vulnerable")</script>
```

```url
servlet/gwmonitor
```

```url
servlet/oracle.xml.xsql.XSQLServlet/xsql/lib/XSQLConfig.xml
```

```url
servlet/org.apache.catalina.ContainerServlet/<script>alert('Vulnerable')</script>
```

```url
servlet/org.apache.catalina.Context/<script>alert('Vulnerable')</script>
```

```url
servlet/org.apache.catalina.Globals/<script>alert('Vulnerable')</script>
```

```url
servlet/org.apache.catalina.servlets.WebdavStatus/<script>alert('Vulnerable')</script>
```

```url
servlet/sq1cdsn
```

```url
servlet/sqlcdsn
```

```url
servlet/sunexamples.BBoardServlet
```

```url
servlet/webacc
```

```url
servlet/webacc?User.html=../../../../../../../../../../../../../../../../../../boot.ini%00
```

```url
servlet/webacc?User.html=../../../../../../../../../../../../../../../../../../etc/passwd%00
```

```url
servlet/webacc?User.html=noexist
```

```url
servlet/webpub
```

```url
servlets/MsgPage?action=badlogin&msg=<script>alert('Vulnerable')</script>
```

```url
servlets/SchedulerTransfer
```

```url
servlets/weboam/oam/oamLogin
```

--------------------------------

### Get help for Itsi CLI

Source: https://github.com/wouterken/itsi/blob/main/README.md

Displays help information for the Itsi command-line interface, listing available commands and options.

```bash
itsi --help
```

--------------------------------

### Install Itsi using gem

Source: https://github.com/wouterken/itsi/blob/main/README.md

Installs the Itsi gem using the Ruby package manager. Requires Ruby and potentially build tools like `build-essential` and `libclang-dev` on Linux.

```bash
apt-get install build-essential libclang-dev
gem install itsi
```

--------------------------------

### Configuration and Resource Files

Source: https://github.com/wouterken/itsi/blob/main/gems/server/lib/itsi/server/config/known_paths/cms/php-nuke.txt

These files include configuration settings and static resources for different modules. They manage access control and provide basic indexing for directories.

```text
html/modules/Surveys/language/.htaccess
```

```text
html/modules/Surveys/language/index.html
```

```text
html/modules/Top/language/.htaccess
```

```text
html/modules/Top/language/index.html
```