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From Geoff Thorpe <>
Subject Re: [users@httpd] SSL enabled benchmark tool for webserver
Date Wed, 08 Oct 2003 15:32:52 GMT

On October 8, 2003 10:56 am, Sarah Haff wrote:
> Is there a good SSL enabled benchmark utility for webserver?

The "sslswamp" utility is bundled with the distcache project at;

This allows you to send concurrent requests to more than one server, 
specify arbitrary patterns of session resume requests (and analyse how 
many succeed or fail - resulting in full handshakes), and can spit out 
comma-delimited stats so you could post-process things with spreadsheets 
etc. (eg. useful if you use more than one client machine for benchmarking 
and you want to collate the results). Note, it's not a tool "built for 
https", it's more built for SSL itself. As it happens, the default 
request string is a basic http request, and the default terminating logic 
is to expect a certain number of response bytes before closing the 
tunnel, though this can be altered (including waiting for the server to 
terminate). Anyway, hope that's of some use. Feedback and patches are 
always welcome too, BTW :-)


Geoff Thorpe

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