Polygon certificate problem

Revision en1, by Konijntje, 2019-01-17 07:47:01

Certificate of https://polygon.codeforces.com expired 5 minutes ago,

Is this problem for only myself (such as MITM attack), or it is just expired as my browser told?

MikeMirzayanov

Tags codeforces polygon

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en1 English Konijntje 2019-01-17 07:47:01 231 Initial revision (published)