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Note: Self-signed certificates do not provide additional security as do those generated by CAs. This is because a client cannot verify that the server he or she has connected to is the one advertised in the certificate. |
A self-signed certificate is a certificate that is signed by its creator rather than by a Certificate Authority (CA).
Self-signed certificates allow for use of SSL-based (Secure Sockets Layer) services without requiring that the user or administrator undertake the considerable task of obtaining an identity certificate signed by a CA
Before You Begin |
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For background information, read |
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Note: Self-signed certificates do not provide additional security as do those generated by CAs. This is because a client cannot verify that the server he or she has connected to is the one advertised in the certificate. |
This topic covers:
JUNOS software provides two methods for generating a self-signed certificate:
In this case, the creator of the certificate is the Juniper Networks device. An automatically generated self-signed certificate is configured on the device by default.
After the device is initialized, it checks for the presence of an automatically generated self-signed certificate. If it does not find one, the device generates one and saves it in the file system.
In this case, you create the self-signed certificate for the device.
At any time, you can use the CLI to generate a self-signed certificate. These certificates are also used to gain access to SSL services.
Self-signed certificates are valid for five years from the time they were generated.
