- curl http://httpbin.foo:8000/ip -sS -o /dev/null -w &#34;%{http_code}\n&#34;
200</code></pre></li></ul><div><aside class="callout warning"><div class=type><svg class="large-icon"><use xlink:href="/v1.25/img/icons.svg#callout-warning"/></svg></div><div class=content>If you don’t see the expected output, retry after a few seconds.
Caching and propagation can cause a delay.</div></aside></div><p>In the example, the minimum TLS version was configured to be 1.3.
To check that TLS 1.3 is allowed, you can run 