Merge "Set TCP_MAXSEG to 1220 for better reliability."

        return Status(err);

    }

    // Set TCP MSS to a suitably low value to be more reliable.

    const int v = 1220;

    if (setsockopt(mSslFd.get(), SOL_TCP, TCP_MAXSEG, &v, sizeof(v)) == -1) {

        LOG(WARNING) << "Failed to set TCP_MAXSEG: " << errno;

    }

    const Status tfo = enableSockopt(mSslFd.get(), SOL_TCP, TCP_FASTOPEN_CONNECT);

    if (!isOk(tfo) && tfo.code() != ENOPROTOOPT) {

        LOG(WARNING) << "Failed to enable TFO: " << tfo.msg();