https://www.cnblogs.com/nmap/p/6291683.html
https://www.wireshark.org/docs/wsug_html_chunked/ChWorkBuildDisplayFilterSection.html#DispCompOps
ip.src==172.16.210.99 & ip.dst==23.40.192.137
https://ask.wireshark.org/question/1299/how-to-save-filtered-packets/
把filter的结果单独保存起来
I want to save the 688 TCP error packets to a separate file. I opened "File > Export Specific Packets" and selected "All packets" and "Displayed", then saved to a pcapng file.