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autumn
- Blog & OSS CDN Traffic Splitting Between Mainland China and OverseasICP filing approved. A quick record of setting up split CDN routing for domestic and international visitors.BlogPerformanceCDNNetworkWebInternetHTTPS7 min
summer
- Understanding HTTPS: Encryption, Certificates, and TLSHow HTTPS secures web traffic, covering symmetric and asymmetric encryption, digital signatures, CA certificates and chain validation, and the TLS handshake.NetworkWebInternetHTTPSTCPSecurity9 min
- IO MultiplexingA brief walkthrough of how select, poll, and epoll are implemented.OSLinuxNetworkIOFileSocket6 min
- Network IO ModelsA walkthrough of the five I/O models on Linux, with C and Java implementations.OSLinuxNetworkCfdIOFileSocket13 min
winter
- Internet ChecksumNotes from designing an Internet checksum lab, covering parallel summation and incremental checksum updates.LinuxNetworkC6 min
autumn
- Configuring a Clash Proxy for OneDrive BusinessFix OneDrive Business login stalls and download throttling under Clash by configuring bypass domains and Mixin routing rules.NetworkMicrosoftOnedriveClashProxy3 min
summer
- Http ProtocolHTTP is an application-layer protocol for transferring hypermedia documents such as HTML. This post covers request and response messages.NetworkWebInternetBrowserHTTPTCP3 min