{"action":"closed","issue":{"url":"https://api.github.com/repos/symfony/symfony/issues/28153","repository_url":"https://api.github.com/repos/symfony/symfony","labels_url":"https://api.github.com/repos/symfony/symfony/issues/28153/labels{/name}","comments_url":"https://api.github.com/repos/symfony/symfony/issues/28153/comments","events_url":"https://api.github.com/repos/symfony/symfony/issues/28153/events","html_url":"https://github.com/symfony/symfony/issues/28153","id":348324881,"node_id":"MDU6SXNzdWUzNDgzMjQ4ODE=","number":28153,"title":"Adding x-forwarded-port causes application to crash","user":{"login":"tomas7777","id":9091359,"node_id":"MDQ6VXNlcjkwOTEzNTk=","avatar_url":"https://avatars0.githubusercontent.com/u/9091359?v=4","gravatar_id":"","url":"https://api.github.com/users/tomas7777","html_url":"https://github.com/tomas7777","followers_url":"https://api.github.com/users/tomas7777/followers","following_url":"https://api.github.com/users/tomas7777/following{/other_user}","gists_url":"https://api.github.com/users/tomas7777/gists{/gist_id}","starred_url":"https://api.github.com/users/tomas7777/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/tomas7777/subscriptions","organizations_url":"https://api.github.com/users/tomas7777/orgs","repos_url":"https://api.github.com/users/tomas7777/repos","events_url":"https://api.github.com/users/tomas7777/events{/privacy}","received_events_url":"https://api.github.com/users/tomas7777/received_events","type":"User","site_admin":false},"labels":[{"id":100079,"node_id":"MDU6TGFiZWwxMDAwNzk=","url":"https://api.github.com/repos/symfony/symfony/labels/Bug","name":"Bug","color":"e10c02","default":false},{"id":131507,"node_id":"MDU6TGFiZWwxMzE1MDc=","url":"https://api.github.com/repos/symfony/symfony/labels/HttpKernel","name":"HttpKernel","color":"DDDDDD","default":false},{"id":237003792,"node_id":"MDU6TGFiZWwyMzcwMDM3OTI=","url":"https://api.github.com/repos/symfony/symfony/labels/Status:%20Needs%20Review","name":"Status: Needs Review","color":"ededed","default":false}],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":1,"created_at":"2018-08-07T13:37:30Z","updated_at":"2018-08-08T08:03:58Z","closed_at":"2018-08-08T08:03:58Z","author_association":"NONE","body":"**Symfony version(s) affected**: 2.8.44\r\n\r\n**Description**  \r\nAfter updating an application to 2.8.44 and initially setting `x-forwarded-port` header and then making request which will be making sub request `\\Symfony\\Component\\HttpFoundation\\Exception\\ConflictingHeadersException` is being triggered which causes application to crash. This didn't happen prior to 2.8.44 release. \r\n\r\n**How to reproduce**  \r\nAdd `x-forwarded-port` header and make request which will be making sub requests.\r\n"}}
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