Features • Installation • Usage • Running httpx • Notes • Join Discord

httpx is a fast and multi-purpose HTTP toolkit that allows running multiple probes using the retryablehttp library. It is designed to maintain result reliability with an increased number of threads.

Features

Simple and modular code base making it easy to contribute.
Fast And fully configurable flags to probe multiple elements.
Supports multiple HTTP based probings.
Smart auto fallback from https to http as default.
Supports hosts, URLs and CIDR as input.
Handles edge cases doing retries, backoffs etc for handling WAFs.

Supported probes

Probes	Default check	Probes	Default check
URL	true	IP	true
Title	true	CNAME	true
Status Code	true	Raw HTTP	false
Content Length	true	HTTP2	false
TLS Certificate	true	HTTP Pipeline	false
CSP Header	true	Virtual host	false
Line Count	true	Word Count	true
Location Header	true	CDN	false
Web Server	true	Paths	false
Web Socket	true	Ports	false
Response Time	true	Request Method	true
Favicon Hash	false	Probe Status	false
Body Hash	true	Header Hash	true
Redirect chain	false	URL Scheme	true
JARM Hash	false	ASN	false

Installation Instructions

httpx requires go1.20 to install successfully. Run the following command to get the repo:

go install -v github.com/projectdiscovery/httpx/cmd/httpx@latest

❗ Disclaimer
This project is in active development. Expect breaking changes with releases. Review the changelog before updating.
This project was primarily built to be used as a standalone CLI tool. Running it as a service may pose security risks. It's recommended to use with caution and additional security measures.

Usage

httpx -h

This will display help for the tool. Here are all the switches it supports.

Usage:
  ./httpx [flags]

Flags:
INPUT:
   -l, -list string      input file containing list of hosts to process
   -rr, -request string  file containing raw request
   -u, -target string[]  input target host(s) to probe

PROBES:
   -sc, -status-code     display response status-code
   -cl, -content-length  display response content-length
   -ct, -content-type    display response content-type
   -location             display response redirect location
   -favicon              display mmh3 hash for '/favicon.ico' file
   -hash string          display response body hash (supported: md5,mmh3,simhash,sha1,sha256,sha512)
   -jarm                 display jarm fingerprint hash
   -rt, -response-time   display response time
   -lc, -line-count      display response body line count
   -wc, -word-count      display response body word count
   -title                display page title
   -bp, -body-preview    display first N characters of response body (default 100)
   -server, -web-server  display server name
   -td, -tech-detect     display technology in use based on wappalyzer dataset
   -method               display http request method
   -websocket            display server using websocket
   -ip                   display host ip
   -cname                display host cname
   -asn                  display host asn information
   -cdn                  display cdn/waf in use
   -probe                display probe status

HEADLESS:
   -ss, -screenshot                 enable saving screenshot of the page using headless browser
   -system-chrome                   enable using local installed chrome for screenshot
   -esb, -exclude-screenshot-bytes  enable excluding screenshot bytes from json output
   -ehb, -exclude-headless-body     enable excluding headless header from json output

MATCHERS:
   -mc, -match-code string            match response with specified status code (-mc 200,302)
   -ml, -match-length string          match response with specified content length (-ml 100,102)
   -mlc, -match-line-count string     match response body with specified line count (-mlc 423,532)
   -mwc, -match-word-count string     match response body with specified word count (-mwc 43,55)
   -mfc, -match-favicon string[]      match response with specified favicon hash (-mfc 1494302000)
   -ms, -match-string string          match response with specified string (-ms admin)
   -mr, -match-regex string           match response with specified regex (-mr admin)
   -mcdn, -match-cdn string[]         match host with specified cdn provider (cloudfront, fastly, google, leaseweb, stackpath)
   -mrt, -match-response-time string  match response with specified response time in seconds (-mrt '< 1')
   -mdc, -match-condition string      match response with dsl expression condition

EXTRACTOR:
   -er, -extract-regex string[]   display response content with matched regex
   -ep, -extract-preset string[]  display response content matched by a pre-defined regex (ipv4,mail,url)

FILTERS:
   -fc, -filter-code string            filter response with specified status code (-fc 403,401)
   -fep, -filter-error-page            filter response with ML based error page detection
   -fl, -filter-length string          filter response with specified content length (-fl 23,33)
   -flc, -filter-line-count string     filter response body with specified line count (-flc 423,532)
   -fwc, -filter-word-count string     filter response body with specified word count (-fwc 423,532)
   -ffc, -filter-favicon string[]      filter response with specified favicon hash (-ffc 1494302000)
   -fs, -filter-string string          filter response with specified string (-fs admin)
   -fe, -filter-regex string           filter response with specified regex (-fe admin)
   -fcdn, -filter-cdn string[]         filter host with specified cdn provider (cloudfront, fastly, google, leaseweb, stackpath)
   -frt, -filter-response-time string  filter response with specified response time in seconds (-frt '> 1')
   -fdc, -filter-condition string      filter response with dsl expression condition
   -strip                              strips all tags in response. supported formats: html,xml (default html)

RATE-LIMIT:
   -t, -threads int              number of threads to use (default 50)
   -rl, -rate-limit int          maximum requests to send per second (default 150)
   -rlm, -rate-limit-minute int  maximum number of requests to send per minute

MISCELLANEOUS:
   -pa, -probe-all-ips        probe all the ips associated with same host
   -p, -ports string[]        ports to probe (nmap syntax: eg http:1,2-10,11,https:80)
   -path string               path or list of paths to probe (comma-separated, file)
   -tls-probe                 send http probes on the extracted TLS domains (dns_name)
   -csp-probe                 send http probes on the extracted CSP domains
   -tls-grab                  perform TLS(SSL) data grabbing
   -pipeline                  probe and display server supporting HTTP1.1 pipeline
   -http2                     probe and display server supporting HTTP2
   -vhost                     probe and display server supporting VHOST
   -ldv, -list-dsl-variables  list json output field keys name that support dsl matcher/filter

UPDATE:
   -up, -update                 update httpx to latest version
   -duc, -disable-update-check  disable automatic httpx update check

OUTPUT:
   -o, -output string                  file to write output results
   -oa, -output-all                    filename to write output results in all formats
   -sr, -store-response                store http response to output directory
   -srd, -store-response-dir string    store http response to custom directory
   -csv                                store output in csv format
   -csvo, -csv-output-encoding string  define output encoding
   -j, -json                           store output in JSONL(ines) format
   -irh, -include-response-header      include http response (headers) in JSON output (-json only)
   -irr, -include-response             include http request/response (headers + body) in JSON output (-json only)
   -irrb, -include-response-base64     include base64 encoded http request/response in JSON output (-json only)
   -include-chain                      include redirect http chain in JSON output (-json only)
   -store-chain                        include http redirect chain in responses (-sr only)

CONFIGURATIONS:
   -config string                path to the httpx configuration file (default $HOME/.config/httpx/config.yaml)
   -r, -resolvers string[]       list of custom resolver (file or comma separated)
   -allow string[]               allowed list of IP/CIDR's to process (file or comma separated)
   -deny string[]                denied list of IP/CIDR's to process (file or comma separated)
   -sni, -sni-name string        custom TLS SNI name
   -random-agent                 enable Random User-Agent to use (default true)
   -H, -header string[]          custom http headers to send with request
   -http-proxy, -proxy string    http proxy to use (eg http://127.0.0.1:8080)
   -unsafe                       send raw requests skipping golang normalization
   -resume                       resume scan using resume.cfg
   -fr, -follow-redirects        follow http redirects
   -maxr, -max-redirects int     max number of redirects to follow per host (default 10)
   -fhr, -follow-host-redirects  follow redirects on the same host
   -rhsts, -respect-hsts         respect HSTS response headers for redirect requests
   -vhost-input                  get a list of vhosts as input
   -x string                     request methods to probe, use 'all' to probe all HTTP methods
   -body string                  post body to include in http request
   -s, -stream                   stream mode - start elaborating input targets without sorting
   -sd, -skip-dedupe             disable dedupe input items (only used with stream mode)
   -ldp, -leave-default-ports    leave default http/https ports in host header (eg. http://host:80 - https://host:443
   -ztls                         use ztls library with autofallback to standard one for tls13
   -no-decode                    avoid decoding body
   -tlsi, -tls-impersonate       enable experimental client hello (ja3) tls randomization
   -no-stdin                     Disable Stdin processing

DEBUG:
   -health-check, -hc        run diagnostic check up
   -debug                    display request/response content in cli
   -debug-req                display request content in cli
   -debug-resp               display response content in cli
   -version                  display httpx version
   -stats                    display scan statistic
   -profile-mem string       optional httpx memory profile dump file
   -silent                   silent mode
   -v, -verbose              verbose mode
   -si, -stats-interval int  number of seconds to wait between showing a statistics update (default: 5)
   -nc, -no-color            disable colors in cli output

OPTIMIZATIONS:
   -nf, -no-fallback                  display both probed protocol (HTTPS and HTTP)
   -nfs, -no-fallback-scheme          probe with protocol scheme specified in input 
   -maxhr, -max-host-error int        max error count per host before skipping remaining path/s (default 30)
   -ec, -exclude-cdn                  skip full port scans for CDN/WAF (only checks for 80,443)
   -retries int                       number of retries
   -timeout int                       timeout in seconds (default 10)
   -delay value                       duration between each http request (eg: 200ms, 1s) (default -1ns)
   -rsts, -response-size-to-save int  max response size to save in bytes (default 2147483647)
   -rstr, -response-size-to-read int  max response size to read in bytes (default 2147483647)

Running httpX

URL Probe

This will run the tool against all the hosts and subdomains in hosts.txt and returns URLs running HTTP webserver.

cat hosts.txt | httpx 

    __    __  __       _  __
   / /_  / /_/ /_____ | |/ /
  / __ \/ __/ __/ __ \|   / 
 / / / / /_/ /_/ /_/ /   |  
/_/ /_/\__/\__/ .___/_/|_|   v1.1.1  
             /_/            

    projectdiscovery.io

[WRN] Use with caution. You are responsible for your actions
[WRN] Developers assume no liability and are not responsible for any misuse or damage.

https://mta-sts.managed.hackerone.com
https://mta-sts.hackerone.com
https://mta-sts.forwarding.hackerone.com
https://docs.hackerone.com
https://www.hackerone.com
https://resources.hackerone.com
https://api.hackerone.com
https://support.hackerone.com

File Input

This will run the tool with the -probe flag against all the hosts in hosts.txt and return URLs with probed status.

httpx -list hosts.txt -silent -probe

http://ns.hackerone.com [FAILED]
https://docs.hackerone.com [SUCCESS]
https://mta-sts.hackerone.com [SUCCESS]
https://mta-sts.managed.hackerone.com [SUCCESS]
http://email.hackerone.com [FAILED]
https://mta-sts.forwarding.hackerone.com [SUCCESS]
http://links.hackerone.com [FAILED]
https://api.hackerone.com [SUCCESS]
https://www.hackerone.com [SUCCESS]
http://events.hackerone.com [FAILED]
https://support.hackerone.com [SUCCESS]
https://gslink.hackerone.com [SUCCESS]
http://o1.email.hackerone.com [FAILED]
http://info.hackerone.com [FAILED]
https://resources.hackerone.com [SUCCESS]
http://o2.email.hackerone.com [FAILED]
http://o3.email.hackerone.com [FAILED]
http://go.hackerone.com [FAILED]
http://a.ns.hackerone.com [FAILED]
http://b.ns.hackerone.com [FAILED]

CIDR Input

echo 173.0.84.0/24 | httpx -silent

https://173.0.84.29
https://173.0.84.43
https://173.0.84.31
https://173.0.84.44
https://173.0.84.12
https://173.0.84.4
https://173.0.84.36
https://173.0.84.45
https://173.0.84.14
https://173.0.84.25
https://173.0.84.46
https://173.0.84.24
https://173.0.84.32
https://173.0.84.9
https://173.0.84.13
https://173.0.84.6
https://173.0.84.16
https://173.0.84.34

AS Number Input

echo AS14421 | httpx -silent

https://216.101.17.248
https://216.101.17.249
https://216.101.17.250
https://216.101.17.251
https://216.101.17.252

Tool Chain

subfinder -d hackerone.com -silent| httpx -title -tech-detect -status-code

    __    __  __       _  __
   / /_  / /_/ /_____ | |/ /
  / __ \/ __/ __/ __ \|   /
 / / / / /_/ /_/ /_/ /   |
/_/ /_/\__/\__/ .___/_/|_|
             /_/              v1.1.1

    projectdiscovery.io

Use with caution. You are responsible for your actions
Developers assume no liability and are not responsible for any misuse or damage.
https://mta-sts.managed.hackerone.com [404] [Page not found · GitHub Pages] [Varnish,GitHub Pages,Ruby on Rails]
https://mta-sts.hackerone.com [404] [Page not found · GitHub Pages] [Varnish,GitHub Pages,Ruby on Rails]
https://mta-sts.forwarding.hackerone.com [404] [Page not found · GitHub Pages] [GitHub Pages,Ruby on Rails,Varnish]
https://docs.hackerone.com [200] [HackerOne Platform Documentation] [Ruby on Rails,jsDelivr,Gatsby,React,webpack,Varnish,GitHub Pages]
https://support.hackerone.com [301,302,301,200] [HackerOne] [Cloudflare,Ruby on Rails,Ruby]
https://resources.hackerone.com [301,301,404] [Sorry, no Folders found.]

Error Page Classifier and Filtering

The Error Page Classifier and Filtering feature aims to add intelligence to the tool by enabling it to classify and filter out common error pages returned by web applications. It is an enhancement to the existing httpx capabilities and is geared towards reducing the noise in the results and helping users focus on what matters most.

httpx -l urls.txt -path /v1/api -fep

    __    __  __       _  __
   / /_  / /_/ /_____ | |/ /
  / __ \/ __/ __/ __ \|   /
 / / / / /_/ /_/ /_/ /   |
/_/ /_/\__/\__/ .___/_/|_|
             /_/

                projectdiscovery.io

[INF] Current httpx version v1.3.3 (latest)
https://scanme.sh/v1/api

Filtered error pages are stored to predefined file filtered_error_page.json in jsonline format when -filter-error-page option is used.

Favicon Hash

subfinder -d hackerone.com -silent | httpx -favicon

    __    __  __       _  __
   / /_  / /_/ /_____ | |/ /
  / __ \/ __/ __/ __ \|   /
 / / / / /_/ /_/ /_/ /   |
/_/ /_/\__/\__/ .___/_/|_|
             /_/              v1.1.5

      projectdiscovery.io

Use with caution. You are responsible for your actions.
Developers assume no liability and are not responsible for any misuse or damage.
https://docs.hackerone.com/favicon.ico [595148549]
https://hackerone.com/favicon.ico [595148549]
https://mta-sts.managed.hackerone.com/favicon.ico [-1700323260]
https://mta-sts.forwarding.hackerone.com/favicon.ico [-1700323260]
https://support.hackerone.com/favicon.ico [-1279294674]
https://gslink.hackerone.com/favicon.ico [1506877856]
https://resources.hackerone.com/favicon.ico [-1840324437]
https://api.hackerone.com/favicon.ico [566218143]
https://mta-sts.hackerone.com/favicon.ico [-1700323260]
https://www.hackerone.com/favicon.ico [778073381]

JARM Fingerprint

subfinder -d hackerone.com -silent | httpx -jarm
    __    __  __       _  __
   / /_  / /_/ /_____ | |/ /
  / __ \/ __/ __/ __ \|   /
 / / / / /_/ /_/ /_/ /   |
/_/ /_/\__/\__/ .___/_/|_|
             /_/              v1.2.1

      projectdiscovery.io

Use with caution. You are responsible for your actions.
Developers assume no liability and are not responsible for any misuse or damage.
https://www.hackerone.com [29d3dd00029d29d00042d43d00041d5de67cc9954cc85372523050f20b5007]
https://mta-sts.hackerone.com [29d29d00029d29d00042d43d00041d2aa5ce6a70de7ba95aef77a77b00a0af]
https://mta-sts.managed.hackerone.com [29d29d00029d29d00042d43d00041d2aa5ce6a70de7ba95aef77a77b00a0af]
https://docs.hackerone.com [29d29d00029d29d00042d43d00041d2aa5ce6a70de7ba95aef77a77b00a0af]
https://support.hackerone.com [29d3dd00029d29d00029d3dd29d29d5a74e95248e58a6162e37847a24849f7]
https://api.hackerone.com [29d3dd00029d29d00042d43d00041d5de67cc9954cc85372523050f20b5007]
https://mta-sts.forwarding.hackerone.com [29d29d00029d29d00042d43d00041d2aa5ce6a70de7ba95aef77a77b00a0af]
https://resources.hackerone.com [2ad2ad0002ad2ad0002ad2ad2ad2ad043bfbd87c13813505a1b60adf4f6ff5]

ASN Fingerprint

subfinder -d hackerone.com -silent | httpx -asn
    __    __  __       _  __
   / /_  / /_/ /_____ | |/ /
  / __ \/ __/ __/ __ \|   /
 / / / / /_/ /_/ /_/ /   |
/_/ /_/\__/\__/ .___/_/|_|
             /_/              v1.2.1

      projectdiscovery.io

Use with caution. You are responsible for your actions.
Developers assume no liability and are not responsible for any misuse or damage.
https://mta-sts.managed.hackerone.com [AS54113, FASTLY, US]
https://gslink.hackerone.com [AS16509, AMAZON-02, US]
https://www.hackerone.com [AS13335, CLOUDFLARENET, US]
https://mta-sts.forwarding.hackerone.com [AS54113, FASTLY, US]
https://resources.hackerone.com [AS16509, AMAZON-02, US]
https://support.hackerone.com [AS13335, CLOUDFLARENET, US]
https://mta-sts.hackerone.com [AS54113, FASTLY, US]
https://docs.hackerone.com [AS54113, FASTLY, US]
https://api.hackerone.com [AS13335, CLOUDFLARENET, US]

File/Path Bruteforce

httpx -l urls.txt -path /v1/api -sc

    __    __  __       _  __
   / /_  / /_/ /_____ | |/ /
  / __ \/ __/ __/ __ \|   /
 / / / / /_/ /_/ /_/ /   |
/_/ /_/\__/\__/ .___/_/|_|
             /_/              v1.1.5

      projectdiscovery.io

Use with caution. You are responsible for your actions.
Developers assume no liability and are not responsible for any misuse or damage.
https://mta-sts.managed.hackerone.com/v1/api [404]
https://mta-sts.hackerone.com/v1/api [404]
https://mta-sts.forwarding.hackerone.com/v1/api [404]
https://docs.hackerone.com/v1/api [404]
https://api.hackerone.com/v1/api [401]
https://hackerone.com/v1/api [302]
https://support.hackerone.com/v1/api [404]
https://resources.hackerone.com/v1/api [301]
https://gslink.hackerone.com/v1/api [404]
http://www.hackerone.com/v1/api [301]

Docker Run

cat sub_domains.txt | docker run -i projectdiscovery/httpx

    __    __  __       _  __
   / /_  / /_/ /_____ | |/ /
  / __ \/ __/ __/ __ \|   /
 / / / / /_/ /_/ /_/ /   |
/_/ /_/\__/\__/ .___/_/|_|
             /_/              v1.1.2

      projectdiscovery.io

Use with caution. You are responsible for your actions
Developers assume no liability and are not responsible for any misuse or damage.
https://mta-sts.forwarding.hackerone.com
https://mta-sts.hackerone.com
https://mta-sts.managed.hackerone.com
https://www.hackerone.com
https://api.hackerone.com
https://gslink.hackerone.com
https://resources.hackerone.com
https://docs.hackerone.com
https://support.hackerone.com

Screenshot

Latest addition to the project, the addition of the -screenshot option in httpx, a powerful new feature that allows users to take screenshots of target URLs, pages, or endpoints along with the rendered DOM. This functionality enables the visual content discovery process, providing a comprehensive view of the target's visual appearance.

Rendered DOM body is also included in json line output when -screenshot option is used with -json option.

🚩 Usage

To use the screenshot feature, simply add the -screenshot flag to your httpx command:

httpx -screenshot -u https://example.com

🎯 Domain, Subdomain, and Path Support The -screenshot option is versatile and can be used to capture screenshots for domains, subdomains, and even specific paths when used in conjunction with the -path option:

httpx -screenshot -u example.com
httpx -screenshot -u https://example.com/login
httpx -screenshot -path fuzz_path.txt -u https://example.com

Using with other tools:

subfinder -d example.com | httpx -screenshot

🌐 System Chrome

By default, httpx will use the go-rod library to install and manage Chrome for taking screenshots. However, if you prefer to use your locally installed system Chrome, add the -system-chrome flag:

httpx -screenshot -system-chrome -u https://example.com

📁 Output Directory

Screenshots are stored in the output/screenshot directory by default. To specify a custom output directory, use the -srd option:

httpx -screenshot -srd /path/to/custom/directory -u https://example.com

Body Preview

Body preview shows first N characters of response. And strip html tags in response.

httpx -u https://example.com -silent -body-preview
https://example.com [Example Domain This domain is for use in illustrative examples in documents. You may use this domai]

httpx -u https://example.com -silent -body-preview=200 -strip=html
https://example.com [Example Domain This domain is for use in illustrative examples in documents. You may use this domain in literature without prior coordination or asking for permission. More information...]

⏳ Performance Considerations

Please note that since screenshots are captured using a headless browser, httpx runs will be slower when using the -screenshot option.

Using `httpx` as a library

httpx can be used as a library by creating an instance of the Option struct and populating it with the same options that would be specified via CLI. Once validated, the struct should be passed to a runner instance (to be closed at the end of the program) and the RunEnumeration method should be called. A minimal example of how to do it is in the examples folder

Notes

As default, httpx probe with HTTPS scheme and fall-back to HTTP only if HTTPS is not reachable.
The -no-fallback flag can be used to probe and display both HTTP and HTTPS result.
Custom scheme for ports can be defined, for example -ports http:443,http:80,https:8443
Custom resolver supports multiple protocol (doh|tcp|udp) in form of protocol:resolver:port (e.g. udp:127.0.0.1:53)
The following flags should be used for specific use cases instead of running them as default with other probes:
- -ports
- -path
- -vhost
- -screenshot
- -csp-probe
- -tls-probe
- -favicon
- -http2
- -pipeline
- -tls-impersonate

Acknowledgement

Probing feature is inspired by @tomnomnom/httprobe work ❤️

httpx is made with 💙 by the projectdiscovery team and distributed under MIT License.

ip-rw / httpx

Features

Supported probes

Installation Instructions

Usage

Running httpX

URL Probe

File Input

CIDR Input

AS Number Input

Tool Chain

Error Page Classifier and Filtering

Favicon Hash

JARM Fingerprint

ASN Fingerprint

File/Path Bruteforce

Docker Run

Screenshot

🚩 Usage

🌐 System Chrome

📁 Output Directory

Body Preview

⏳ Performance Considerations

Using `httpx` as a library

Notes

Acknowledgement

About

Languages

Features

Supported probes

Installation Instructions

Usage

Running httpX

URL Probe

File Input

CIDR Input

AS Number Input

Tool Chain

Error Page Classifier and Filtering

Favicon Hash

JARM Fingerprint

ASN Fingerprint

File/Path Bruteforce

Docker Run

Screenshot

🚩 Usage

🌐 System Chrome

📁 Output Directory

Body Preview

⏳ Performance Considerations

Using httpx as a library

Notes

Acknowledgement

About

Languages

Using `httpx` as a library