Having multiple Set-Cookie

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Alex G

• March 20, 2015 00:11

Hi,

My origin is sending a response like:

Set-Cookie: cookie1=500; Domain=.mydomain.com; Max-Age=31536000; Path=/
Set-Cookie: cookie2=500; Domain=.mydomain.com; Max-Age=31536000; Path=/

When I apply a header rule (I know it is useless) such as:

Name: test
Type: response
Action: set
Destination: http.Set-Cookie
Source: regsuball(resp.http.Set-Cookie,"mydomain","foo")

I then get a response such as:

Set-Cookie: cookie2=500; Domain=.foo.com; Max-Age=31536000; Path=/

It seems my rule is removing one of the two cookies.

Am I doing something wrong?

Thanks in advance.

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  Austin Spires

  • March 20, 2015 10:27

  Hi @alex -- At the moment, we only support Varnish/CDN manipulation of the first same-name header that we receive from your backend. We'll serve all of the headers you set us from your backend, but we only process the first one we receive with a given name.

  That said, our core Varnish team is working on a correction for this. We don't have a firm timeline for when this would be deployed, though. Sorry about that!

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  Rogier Mulhuijzen

  • March 20, 2015 22:34

  However, as a workaround, you can use custom VCL. See the following links on how to get access to VCL and how to use it:

  https://docs.fastly.com/guides/vcl-faqs/where-can-i-upload-custom-vcl https://docs.fastly.com/guides/vcl-faqs/how-do-i-mix-and-match-fastly-vcl-with-custom-vcl

  And then you can use add instead of set, as is shown in some of the examples on https://docs.fastly.com/guides/vcl-extensions/randomnessrelated-vcl-features

  I hope that helps.

  Cheers,

  Doc

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  Alex G

  • March 21, 2015 00:12

  Glad you guys are already working on it, @aspires!

  @drwilco, the workaround you point seems a possible solution. Will try to follow that path. Thanks for this suggestion!

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