tcp_workaround_signed_windows

file: /proc/sys/net/ipv4/tcp_workaround_signed_windows
variable: net.ipv4.tcp_workaround_signed_windows
Official reference

If set, assume no receipt of a window scaling option means the remote TCP is broken and treats the window as a signed quantity. If unset, assume the remote TCP is not broken even if we do not receive a window scaling option from them. Default: 0

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