In the main window, one can find the capture filter just above the interfaces list and in the interfaces dialog. Display filters on the other hand do not have this limitation and you can change them on the fly. The latter are used to hide some packets from the packet list.Ĭapture filters are set before starting a packet capture and cannot be modified during the capture. The former are much more limited and are used to reduce the size of a raw packet capture. However, if you know the TCP port used (see above), you can filter on that one.Capture filters (like tcp port 80) are not to be confused with display filters (like tcp.port = 80). You cannot directly filter HTTP2 protocols while capturing. Show only the HTTP2 based traffic: http2 Capture Filter Display FilterĪ complete list of HTTP2 display filter fields can be found in the display filter reference On the SampleCaptures page, there is also http2-16-ssl.pcapng containing a HTTP2 (draft 16) over SSL capture (with keys) and a link to a TLS 1.3 HTTP/2 capture. Sample of HTTP2 (draft-14) - Created with nghttp2, need to use Decode as HTTP2 Http2-h2c.pcap - HTTP/2 via Upgrade: h2 mechanism ( curl -http2 -v /robots.txt /humans.txt) Wireshark 2.4 - header decompression support now requires external nghttp2 package (true for official Windows/macOS builds).Wireshark 2.0 - initial HPACK support (header decompression).The well known TCP port for HTTP/2 traffic is 443 (and 80). TCP: Typically, HTTP/2 uses TCP as its transport protocol.Hypertext Transfer Protocol version 2 (HTTP2) Protocol dependencies
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