1 | initial version |
Your source port number cannot be zero.
2 | No.2 Revision |
Your source port number cannot be zero.
Also your testing against a Facebook server which goes straight to QUIC, so nothing happens on port 80 anyway,
A better alternative is to use HTTP access to www.example.com, the IANA run site for illustrative purposes, or neverssl.com, which does the same.