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From Rob Hartill <>
Subject spaces in HTTP headers
Date Fri, 17 Nov 1995 15:30:48 GMT


They have a system which requests URLs from other servers, their
system adds an extra header to the HTTP headers, e.g. when talking
to it added

 FOO: xxx

note the leading space. Apache created env var "HTTP_ FOO" = "xxx",
and the shell rejected it when trying to do a "exec cmd"

My boss says that Apache should be fixed to not send the " " in the
env var (that'd mean checking incoming HTTP headers against the spec).
I say, slap the wrists of the people at ibm and be done with it.

I've mailed the resource owners to tell them about their spec


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