In all the installation nodes, check that the following ports are accessible for incoming traffic to Cryptographic Security Platform.
| Target Port | Protocol | Source | Target service | 
|---|---|---|---|
| 22 | TCP/SSH | The IP of the Cryptographic Security Platform administrator | SSH | 
| 443 | TCP/HTTPS | The IP of the Grafana and Management Console users | Grafana and the Management Console | 
| 15021 | HTTP | The IP of the Cryptographic Security Platform administrator | Health endpoint (see Checking the node health) |