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haproxy: intercept all cookies and set secure attribute
Published: 01-02-2014 | Author: Remy van Elst | Text only version of this article
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This snippet shows you how to use haproxy to set the secure attribute on cookies. You might have a backend application which is not able to set the secure attribute on cookies or for which haproxy does the ssl offloading. This simple frontend rspirep sets the secure attribute for all cookies.
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Add the following to a
rspirep ^(set-cookie:.*) \1;\ Secure
frontend example-frontend reqadd X-Forwarded-Proto:\ https rspadd Strict-Transport-Security:\ max-age=31536000;\ includeSubDomains option forwardfor except 127.0.0.1 maxconn 2000 rspirep ^(set-cookie:.*) \1;\ Secure bind 10.20.30.40:443 ssl crt /etc/haproxy/pem/example.pem ciphers ECDHE+RSA+AES256+GCM+SHA384:ECDHE+RSA+AES128+GCM+SHA256:DHE+RSA+AES256+GCM+SHA384:DHE+RSA+AES128+GCM+SHA256:ECDHE+RSA+AES256+SHA384:ECDHE+RSA+AES128+SHA256:ECDHE+RSA+AES256+SHA:ECDHE+RSA+AES128+SHA:DHE+RSA+AES256+SHA256:DHE+RSA+AES128+SHA256:DHE+RSA+AES256+SHA:DHE+RSA+AES128+SHA:ECDHE+RSA+DES+CBC3+SHA:EDH+RSA+DES+CBC3+SHA:AES256+GCM+SHA384:AES128+GCM+SHA256:AES256+SHA256:AES128+SHA256:AES256+SHA:AES128+SHA:DES+CBC3+SHA:HIGH:!aNULL:!eNULL:!EXPORT:!CAMELLIA:!DES:!MD5:!PSK:!RC4 default_backend example-backend
This will set (and re-set) all your cookies with the secure attribute on.cookies , haproxy , loadbalancer , secure , ssl , tutorials