Dell PowerSwitch S4820T Configuration Guide for the S4820T System 9.14.1.0 - Page 1140
from the Root and Intermediate CAs. By, Signing Request CSR.
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The Root CA generates a private key and a self-signed CA certificate. The Intermediate CA generates a private key and a Certificate Signing Request (CSR). Using its private key, the root CA signs the intermediate CA's CSR generating a CA certificate for the Intermediate CA. This intermediate CA can then sign certificates for hosts in the network and also for further intermediate CAs. These CA certificates (root CA and any intermediate CAs), but not the corresponding private keys, are made publicly available on the network. NOTE: CA certificates may also be bundled together for ease of installation. Their .PEM files are concatenated in order from the "lowest" ranking CA certificate to the Root CA certificate. handles installation of bundled certificate files. The other hosts on the network, such as the SUT switch, syslog server, and OCSP server, generate private keys and create Certificate Signing Requests (CSRs). The hosts then upload the CSRs to the Intermediate CA or make the CSRs available for the Intermediate CA to download. generates a CSR using the crypto cert generate request command. The hosts on the network (SUT, syslog, OCSP...) also download and install the CA certificates from the Root and Intermediate CAs. By installing these CA certificates, the hosts trust any certificates signed by these CAs. NOTE: You can download and install CA certificates in one step using the crypto ca-cert install command. The intermediate CA signs the CSRs and makes the resulting certificates available for download through FTP root or otherwise. Alternatively, the Intermediate CA can also generate private keys and certificates for the hosts. The CA then makes the private key or certificate pairs available for each host to download. You can password-encrypt the private key for additional security and then decrypt it with a password using the crypto cert install command. The hosts on the network (SUT, syslog, OCSP...) download and install their corresponding signed certificates. These hosts can also verify whether they have their own certificates using the private key that they have previously generated. NOTE: When you use the crypto cert install command to download and install certificates, automatically verifies whether a device has its own certificate. Now that the X.509v3 certificates are installed on the SUT and Syslog server, these certificates can be used during TLS protocol negotiations so that the devices can verify each other's trustworthiness and exchange session keys to protect session data. The devices verify each other's certificates using the CA certificates they installed earlier. The SUT enables Syslog-over-TLS by configuring the secure keyword in the logging configuration. For example, logging 10.11.178.1 secure 6514. 1140 X.509v3
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