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slowhttptest - Online in the Cloud

Run slowhttptest in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command slowhttptest that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


slowhttptest — Denial Of Service attacks simulator

SYNOPSIS


slowhttptest [-H|B|R|X] [-g] [-a range start] [-b range limit] [-c number of connections]
[-d all traffic directed through HTTP proxy at host:port]
[-e probe traffic directed through HTTP proxy at host:port]
[-i interval in seconds] [-k request multiply factor]
[-l test duration in seconds] [-n slow read interval in seconds]
[-o output file path and/or name] [-p timeout for probe connection in seconds]
[-r connection per second] [-s value of Content-Length header] [-t HTTP verb]
[-u absolute URL] [-v output verbosity level]
[-w advertised window size range start] [-x max length of follow up data]
[-y advertised window size range end]
[-z slow read from receive buffer in bytes]

DESCRIPTION


The slowhttptest implements most common low-bandwidth Application Layer DoS attacks and
produces CSV and HTML files with test statistics.

Currently supported attacks are:

· Slowloris
· Slow HTTP POST
· Apache Range Header
· Slow Read

The options are as follows:

-g Forces slowhttptest to generate CSV and HTML files when test finishes with timestamp
in filename.

-H Starts slowhttptest in SlowLoris mode, sending unfinished HTTP requests.

-B Starts slowhttptest in Slow POST mode, sending unfinished HTTP message bodies.

-R Starts slowhttptest in Range Header mode, sending malicious Range Request header
data.

-X Starts slowhttptest in Slow Read mode, reading HTTP responses slowly.

-a start
Sets the start value of range-specifier for Range Header attack.

-b bytes
Sets the limit value of range-specifier for Range Header attack.

-c number of connections
Specifies the target number of connections to establish during the test.

-d HTTP proxy host:port
Specifies HTTP proxy server to connect to for all connections.

-e HTTP proxy host:port
Specifies HTTP proxy server to connect to for probe connections.

-i seconds
Specifies the interval between follow up data for slowrois and Slow POST tests.

-k pipeline factor
Specifies number of times the resource would be requested per socket in Slow Read
test.

-l seconds
Specifies test duration in seconds.

-n seconds
Specifies the interval between read operations for Slow Read test.

-o file name
Specifies custom file name, effective with -g.

-p seconds
Specifies the interval to wait for HTTP response onprobe connection, before marking
the server as DoSed.

-r connections per second
Specifies the connection rate.

-s bytes
Specifies the value of Content-Length header for Slow POST test.

-t HTTP verb
Specifies the verb to use in HTTP request.

-u URL Specifies the URL.

-v level
Specifies the verbosity level of logging.

-w bytes
Specifies the start of the range the TCP advertised window size would be picked from
in Slow Read test.

-x bytes
Specifies the maximum length of follow up data for slowloris and Slow POST tests.

-y bytes
Specifies the end of the range the TCP advertised window size would be picked from
in Slow Read test.

-z bytes
Specifies the number of bytes to read from receive buffer with each read()
operation.

EXAMPLES


Start a slowloris test of host.example.com with 1000 connections, statistics goes into
my_header_stats, interval between follow up headers is 10 seconds and connection rate is 200
connections per second:

$ slowhttptest -c 1000 -H -g -o my_header_stats -i 10 -r 200 -t GET -u
https://host.example.com/index.html -x 24 -p 3

Start slow POST test of host.example.com with 3000 connections, statistics goes into
my_body_stats, interval between follow up headers is 110 seconds, connection rate is 200
connections per second, Content-Length header value is 8192, maximum length of follow up
data is random value limited by 10 bytes and probe connections waits 3 seconds for HTTP
response before marking server as DoSed:

$ slowhttptest -c 3000 -B -g -o my_body_stats -i 110 -r 200 -s 8192 -t FAKEVERB -u
http://host.example.com/loginform.html -x 10 -p 3

Start Range Header test of host.example.com with 1000 connections, use HEAD verb, and
generate HTTP header Range:0-, x-1, x-2, x-3, ... x-y, where x is 10 and y is 3000,
connection rate is 500: interval between follow up headers is 10 seconds and connection rate
is 200 connections per second:

$ slowhttptest -R -u http://host.example.com/ -t HEAD -c 1000 -a 10 -b 3000 -r 500

Start Slow Read test of host.example.com with 8000 connections, no statistics is generated,
connection rate is 200 connections per second, TCP advertised window size is a random value
between 512 and 1024, slowhttptest reads 32 bytes from each connections every 5 seconds, 3
requests are pipelined per each connections, probe connection waits 3 seconds for HTTP
response before marking server as DoSed:

$ slowhttptest -c 8000 -X -r 200 -w 512 -y 1024 -n 5 -z 32 -k 3 -u
https://host.example.com/resources/index.html -p 3

Start Slow Read test of host.example.com through HTTP proxy server at 10.10.0.1:8080 with
8000 connections, no statistics is generated, the rest test vaules are default.
slowhttptest most likely would test HTTP proxy server itself, rather than target server, but
it all depends on the HTTP proxy server implementation:

$ slowhttptest -d 10.10.0.1:8080 -c 8000 -X -u
https://host.example.com/resources/index.html

Start Slow Read test of host.example.com and direct probe traffic through HTTP proxy server
at 10.10.0.1:8080 with 8000 connections, no statistics is generated, the rest test vaules
are default. Specifying another connection channel for probe connections helps to make sure
that slowhttptest shows valid statistics for availability of server under test:

$ slowhttptest -e 10.10.0.1:8080 -c 8000 -X -u
https://host.example.com/resources/index.html

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