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@tkek321(kakiuchi)

別ドメインから遷移した際にセッションが消えるようにみえた原因

Last updated at Posted at 2024-07-14

ドメイン A → ドメイン B → ドメイン A の画面遷移をするサイトでドメイン A に POST で戻ってきた際に、保存していたセッションが取得できない事象に遭遇した。

cookie の SameSite 属性が原因だった。

image.png

symfony での対応方法

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