Re: Unable to set custom header

Yes, I used that code just to try with foo => bar first, before doing
anything more complex. err_headers_out() does not work either. Should I set
this handler in some other phase?

On Tue, Oct 6, 2015 at 2:53 PM, Jie Gao <[email protected]> wrote:

> Please think of our environment and only print this e-mail if necessary.
>
> * Ashish Mukherjee <[email protected]> wrote:
>
> > Date: Tue, 6 Oct 2015 14:36:32 +0530
> > From: Ashish Mukherjee <[email protected]>
> > To: [email protected]
> > CC: [email protected]
> > Subject: Unable to set custom header
> >
> > Hello,
> >
> > I am trying to set a custom header through a mod_perl handler.
> >
> > My perl handler code is:
> >
> > sub handler {
> >     my $r = shift;
> >
> >     $r->headers_out->add("foo" => "bar");
> >     $r->log->error($r->connection->remote_ip()." is client IP");
> >
> >     return Apache2::Const::OK;
> > }
> >
> > The handler gets called as I am able to see the log message, but the
> header
> > is not emitted.
>
> Is this the actual code you used? The response headers set by
> "headers_out" get cleared if there is an error, nor do they persist across
> internal redirects.
>
> You might want to try err_headers_out instead, depending on the
> circumstances.
>
> Regards,
>
>
>
> Jie
>
>
> > My Apache configuration is -
> >
> >   ProxyRequests On
> >   ProxyVia On
> >   ProxyRemote * http://localhost:3128
> >
> >   SetHandler modperl
> >   PerlPostReadRequestHandler +Foo::Proxy
> >
> >   <Location />
> >             ProxyPass http://www.something.com/
> >             ProxyPassReverse http://www.something.com/
> >    </Location>
> >
> > When I do the same through mod_header like this it works -
> >
> > RequestHeader set foo bar
> >
> > I want foo: bar to go as a header in the HTTP request to my proxy on port
> > 3128.
> >
> > Can anyone advise why my perl handler doesn't work when it should be
> doing
> > the same thing as mod_headers?
> >
> > Regards,
> > Ashish
>