import ssl

def tls_context(verify: bool=True) -> ssl.SSLContext:
    context = ssl.SSLContext(ssl.PROTOCOL_TLS)
    context.options |= ssl.OP_NO_SSLv2
    context.options |= ssl.OP_NO_SSLv3
    context.options |= ssl.OP_NO_TLSv1
    context.load_default_certs()

    if verify:
        context.verify_mode = ssl.CERT_REQUIRED

    return context