Yes, they’re all identified by a prefix.

On Thu, Jan 23, 2020 at 02:03 Willy Tarreau <> wrote:

> Hi James,
> On Wed, Jan 22, 2020 at 04:19:41PM -0800, James Brown wrote:
> > We're upgrading from 1.8 to 2.x and one of the things I've noticed is
> that
> > reqidel and rspidel seem to be totally gone in 2.1... What's the new
> > recommendation to delete headers from request/response based on a regular
> > expression? Do I have to write a Lua action to do this now? I read
> through
> > the documentation for http-request and http-response and there doesn't
> seem
> > to be an `http-request del-header-by-regex`...
> >
> > Our use case is that we have dozens of different internal headers behind
> a
> > prefix, and we promise that we'll strip them all for incoming requests
> and
> > outgoing responses at the edge load balancer. That is harder to do if we
> > can't delete all headers matching a certain regex...
> That's an intereting use case, which I find totally legitimate and that
> we need to figure how to address. In 2.0 you can still rely on rspdel
> but we then need to have a solution for 2.2. Probably that in the short
> term using Lua will be the easiest solution. And maybe we'd need to add
> a new action such as "del-headers" which would take a regex or a prefix.
> By the way, are all your headers identified by the same prefix ? I'm
> asking because if that's the case, maybe we could append an optional
> argument to del-header to mention that we want to delete all those
> starting with this prefix and not just this exact one.
> Willy
James Brown

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