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295 lines
10 KiB
ReStructuredText
295 lines
10 KiB
ReStructuredText
:lastproofread: 2021-09-01
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.. include:: /_include/need_improvement.txt
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###
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PKI
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###
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VyOS 1.4 changed the way in how encrytion keys or certificates are stored on the
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system. In the pre VyOS 1.4 era, certificates got stored under /config and every
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service referenced a file. That made copying a running configuration from system
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A to system B a bit harder, as you had to copy the files and their permissions
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by hand.
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:vytask:`T3642` describes a new CLI subsystem that serves as a "certstore" to
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all services requiring any kind of encryption key(s). In short, public and
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private certificates are now stored in PKCS#8 format in the regular VyOS CLI.
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Keys can now be added, edited, and deleted using the regular set/edit/delete
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CLI commands.
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VyOS not only can now manage certificates issued by 3rd party Certificate
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Authorities, it can also act as a CA on its own. You can create your own root
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CA and sign keys with it by making use of some simple op-mode commands.
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Don't be afraid that you need to re-do your configuration. Key transformation is
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handled, as always, by our migration scripts, so this will be a smooth transition
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for you!
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Key Generation
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==============
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Certificate Authority (CA)
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--------------------------
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VyOS now also has the ability to create CAs, keys, Diffie-Hellman and other
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keypairs from an easy to access operational level command.
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.. opcmd:: generate pki ca
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Create a new :abbr:`CA (Certificate Authority)` and output the CAs public and
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private key on the console.
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.. opcmd:: generate pki ca install <name>
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Create a new :abbr:`CA (Certificate Authority)` and output the CAs public and
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private key on the console.
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.. include:: pki_cli_import_help.txt
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.. opcmd:: generate pki ca sign <ca-name>
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Create a new subordinate :abbr:`CA (Certificate Authority)` and sign it using
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the private key referenced by `ca-name`.
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.. opcmd:: generate pki ca sign <ca-name> install <name>
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Create a new subordinate :abbr:`CA (Certificate Authority)` and sign it using
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the private key referenced by `name`.
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.. include:: pki_cli_import_help.txt
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Certificates
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------------
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.. opcmd:: generate pki certificate
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Create a new public/private keypair and output the certificate on the console.
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.. opcmd:: generate pki certificate install <name>
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Create a new public/private keypair and output the certificate on the console.
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.. include:: pki_cli_import_help.txt
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.. opcmd:: generate pki certificate self-signed
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Create a new self-signed certificate. The public/private is then shown on the
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console.
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.. opcmd:: generate pki certificate self-signed install <name>
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Create a new self-signed certificate. The public/private is then shown on the
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console.
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.. include:: pki_cli_import_help.txt
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.. opcmd:: generate pki certificate sign <ca-name>
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Create a new public/private keypair which is signed by the CA referenced by
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`ca-name`. The signed certificate is then output to the console.
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.. opcmd:: generate pki certificate sign <ca-name> install <name>
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Create a new public/private keypair which is signed by the CA referenced by
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`ca-name`. The signed certificate is then output to the console.
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.. include:: pki_cli_import_help.txt
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Diffie-Hellman parameters
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-------------------------
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.. opcmd:: generate pki dh
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Generate a new set of :abbr:`DH (Diffie-Hellman)` parameters. The key size
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is requested by the CLI and defaults to 2048 bit.
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The generated parameters are then output to the console.
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.. opcmd:: generate pki dh install <name>
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Generate a new set of :abbr:`DH (Diffie-Hellman)` parameters. The key size
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is requested by the CLI and defaults to 2048 bit.
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.. include:: pki_cli_import_help.txt
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OpenVPN
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-------
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.. opcmd:: generate pki openvpn shared-secret
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Genearate a new OpenVPN shared secret. The generated secred is the output to
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the console.
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.. opcmd:: generate pki openvpn shared-secret install <name>
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Genearate a new OpenVPN shared secret. The generated secred is the output to
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the console.
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.. include:: pki_cli_import_help.txt
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WireGuard
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---------
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.. opcmd:: generate pki wireguard key-pair
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Generate a new WireGuard public/private key portion and output the result to
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the console.
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.. opcmd:: generate pki wireguard key-pair install <interface>
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Generate a new WireGuard public/private key portion and output the result to
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the console.
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.. note:: In addition to the command above, the output is in a format which can
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be used to directly import the key into the VyOS CLI by simply copy-pasting
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the output from op-mode into configuration mode.
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``interface`` is used for the VyOS CLI command to identify the WireGuard
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interface where this private key is to be used.
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.. opcmd:: generate pki wireguard pre-shared-key
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Generate a WireGuard pre-shared secret used for peers to communicate.
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.. opcmd:: generate pki wireguard pre-shared-key install <peer>
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Generate a WireGuard pre-shared secret used for peers to communicate.
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.. note:: In addition to the command above, the output is in a format which can
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be used to directly import the key into the VyOS CLI by simply copy-pasting
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the output from op-mode into configuration mode.
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``peer`` is used for the VyOS CLI command to identify the WireGuard peer where
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this secred is to be used.
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Key usage (CLI)
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===============
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CA (Certificate Authority)
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--------------------------
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.. cfgcmd:: set pki ca <name> certificate
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Add the public CA certificate for the CA named `name` to the VyOS CLI.
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.. note:: When loading the certificate you need to manually strip the
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``-----BEGIN CERTIFICATE-----`` and ``-----END CERTIFICATE-----`` tags.
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Also, the certificate/key needs to be presented in a single line without
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line breaks (``\n``), this can be done using the following shell command:
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``$ tail -n +2 ca.pem | head -n -1 | tr -d '\n'``
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.. cfgcmd:: set pki ca <name> crl
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Certificate revocation list in PEM format.
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.. cfgcmd:: set pki ca <name> description
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A human readable description what this CA is about.
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.. cfgcmd:: set pki ca <name> private key
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Add the CAs private key to the VyOS CLI. This should never leave the system,
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and is only required if you use VyOS as your certificate generator as
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mentioned above.
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.. note:: When loading the certificate you need to manually strip the
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``-----BEGIN KEY-----`` and ``-----END KEY-----`` tags. Also, the
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certificate/key needs to be presented in a single line without line
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breaks (``\n``), this can be done using the following shell command:
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``$ tail -n +2 ca.key | head -n -1 | tr -d '\n'``
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.. cfgcmd:: set pki ca <name> private password-protected
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Mark the CAs private key as password protected. User is asked for the password
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when the key is referenced.
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Server Certificate
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------------------
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After we have imported the CA certificate(s) we can now import and add
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certificates used by services on this router.
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.. cfgcmd:: set pki certificate <name> certificate
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Add public key portion for the certificate named `name` to the VyOS CLI.
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.. note:: When loading the certificate you need to manually strip the
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``-----BEGIN CERTIFICATE-----`` and ``-----END CERTIFICATE-----`` tags.
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Also, the certificate/key needs to be presented in a single line without
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line breaks (``\n``), this can be done using the following shell command:
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``$ tail -n +2 cert.pem | head -n -1 | tr -d '\n'``
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.. cfgcmd:: set pki certificate <name> description
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A human readable description what this certificate is about.
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.. cfgcmd:: set pki certificate <name> private key
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Add the private key portion of this certificate to the CLI. This should never
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leave the system as it is used to decrypt the data.
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.. note:: When loading the certificate you need to manually strip the
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``-----BEGIN KEY-----`` and ``-----END KEY-----`` tags. Also, the
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certificate/key needs to be presented in a single line without line
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breaks (``\n``), this can be done using the following shell command:
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``$ tail -n +2 cert.key | head -n -1 | tr -d '\n'``
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.. cfgcmd:: set pki certificate <name> private password-protected
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Mark the private key as password protected. User is asked for the password
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when the key is referenced.
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.. cfgcmd:: set pki certificate <name> revoke
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If CA is present, this certificate will be included in generated CRLs
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Operation
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=========
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VyOS operational mode commands are not only available for generating keys but
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also to display them.
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.. opcmd:: show pki ca
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Show a list of installed :abbr:`CA (Certificate Authority)` certificates.
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.. code-block:: none
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vyos@vyos:~$ show pki ca
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Certificate Authorities:
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Name Subject Issuer CN Issued Expiry Private Key Parent
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-------------- ------------------------------------------------------- ----------------- ------------------- ------------------- ------------- --------------
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DST_Root_CA_X3 CN=ISRG Root X1,O=Internet Security Research Group,C=US CN=DST Root CA X3 2021-01-20 19:14:03 2024-09-30 18:14:03 No N/A
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R3 CN=R3,O=Let's Encrypt,C=US CN=ISRG Root X1 2020-09-04 00:00:00 2025-09-15 16:00:00 No DST_Root_CA_X3
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vyos_rw CN=VyOS RW CA,O=VyOS,L=Some-City,ST=Some-State,C=GB CN=VyOS RW CA 2021-07-05 13:46:03 2026-07-04 13:46:03 Yes N/A
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.. opcmd:: show pki ca <name>
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Show only information for specified Certificate Authority.
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.. opcmd:: show pki certificate
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Show a list of installed certificates
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.. code-block:: none
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vyos@vyos:~$ show pki certificate
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Certificates:
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Name Type Subject CN Issuer CN Issued Expiry Revoked Private Key CA Present
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--------- ------ --------------------- ------------- ------------------- ------------------- --------- ------------- -------------
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ac2 Server CN=ac2.vyos.net CN=R3 2021-07-05 07:29:59 2021-10-03 07:29:58 No Yes Yes (R3)
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rw_server Server CN=VyOS RW CN=VyOS RW CA 2021-07-05 13:48:02 2022-07-05 13:48:02 No Yes Yes (vyos_rw)
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.. opcmd:: show pki certificate <name>
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Show only information for specified certificate.
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.. opcmd:: show pki crl
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Show a list of installed :abbr:`CRLs (Certificate Revocation List)`.
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