https://support.purevpn.com/en_US/general-articles/chrome-error-err_spdy_protocol_error
Chrome error: 'ERR_SPDY_PROTOCOL_ERROR' - PureSquare
ERR_SPDY_PROTOCOL_ERROR' is an error in the Chrome browser which can appear for some different reasons, both with and without the VPN. If you are getting t
spdy protocolchromeerror
https://quiche.googlesource.com/quiche/+/c2ddf95dc2380e1d7cd5aa8fe9f61b4e01b23e6b/spdy/core/spdy_protocol_test_utils.cc
spdy/core/spdy_protocol_test_utils.cc - quiche - Git at Google
spdycoreprotocoltestutils