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September 20, 2019 3:53PM

When TCP sockets refuse to die

We noticed something weird - the TCP sockets which we thought should have been closed - were lingering around. We realized we don't really understand when TCP sockets are supposed to time out! We naively thought enabling TCP keepalives would be enough... but it isn't!...

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September 20, 2019 3:53PM

TCP 소켓이 쓰러지지 않아

SYN TCP Spectrum Tech Talks Korean

닫혀 있어야 할 TCP 소켓이 계속 남아 있다는 이상한 점을 깨닫게 되었습니다. TCP 소켓이 언제 타임 아웃되는지 제대로 이해하고 있지 않았던 것입니다! TCP 킵얼라이브만 켜 두면 될 거라 생각했습니다만... 그렇지 않았습니다!...

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August 13, 2019 1:00PM

Magic Transit:Cloudflare规模的网络功能

今天我们发布了Cloudflare Magic Transit,它使Cloudflare的网络可被互联网上的任意IP流量使用。到目前为止,Cloudflare主要运营代理服务:我们的服务器终止与Internet用户的HTTP、TCP和UDP会话,并通过与原始服务器创建的新会话传递这些数据。通过Magic Transit,我们现在还在IP层进行运营:除了终止会话之外,我们的服务器还在逐个数据包的基础上应用一套网络功能(DoS缓解、防火墙、路由等等)。...