1 OPTIONS * HTTP/1.1 2 host: 127.0.0.1:8ion: Upgrade, HTTP2-Settingsst: 127.0.0.1:880 3 connection: Upgrade, HTTP2-Settingsst: 127.0.0.1:880 4 connection: Upgrade, HTTP2-Settings 5 upgrade: h2c 6 http2-settings: AAMAAABkAAQAAAABAAEAAAPo 7 accept: */* 8 -agent: nghttp2/1.19.0 9 10 AppA
