+++
title = 'Openssl'
date = 2024-05-10T22:59:58+02:00
+++

## OCSP stapling

## Client web

```bash
openssl s_client <ip>:<port> -servername <hostname>
```

## Vérifier

vérifier un certificat

# TLS

## TLS v1.0 max

```bash
openssl s_client -tls1 -servername
```