[pmg-devel] [PATCH pmg-docs 4/4] certificate management: langauge fixup
Dylan Whyte
d.whyte at proxmox.com
Tue Jul 13 17:54:06 CEST 2021
Language fixup for the "Certificate Management" subsection of
"Configuration Management"
Signed-off-by: Dylan Whyte <d.whyte at proxmox.com>
---
pmg-ssl-certificate.adoc | 100 +++++++++++++++++++--------------------
1 file changed, 50 insertions(+), 50 deletions(-)
diff --git a/pmg-ssl-certificate.adoc b/pmg-ssl-certificate.adoc
index 64a2521..10a5c16 100644
--- a/pmg-ssl-certificate.adoc
+++ b/pmg-ssl-certificate.adoc
@@ -2,11 +2,11 @@
Certificate Management
----------------------
-Access to the administration web-interface is always encrypted through `https`.
-Each {pmg} host creates by default its own (self-signed) certificate.
+Access to the web-based administration interface is always encrypted through
+`https`. Each {pmg} host creates by default its own (self-signed) certificate.
This certificate is used for encrypted communication with the host's `pmgproxy`
-service for any API call, between an user and the web-interface or between
-nodes in a cluster.
+service, for any API call between a user and the web-interface or between nodes
+in a cluster.
Certificate verification in a {pmg} cluster is done based on pinning the
certificate fingerprints in the cluster configuration and verifying that they
@@ -16,20 +16,20 @@ match on connection.
Certificates for the API and SMTP
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-{pmg} knows two different certificates:
+{pmg} uses two different certificates:
* `/etc/pmg/pmg-api.pem`: the required certificate used for {pmg} API requests.
* `/etc/pmg/pmg-tls.pem`: the optional certificate used for SMTP TLS
connections, see xref:pmgconfig_mailproxy_tls[mailproxy TLS configuration]
for details.
-You have the following options for those certificates:
+You have the following options for these certificates:
-1. keep using the default self-signed certificate in `/etc/pmg/pmg-api.pem`.
-2. use an externally provided certificate (for example, signed by a commercial
+1. Keep using the default self-signed certificate in `/etc/pmg/pmg-api.pem`.
+2. Use an externally provided certificate (for example, signed by a commercial
Certificate Authority (CA)).
-3. use an ACME provider like Let's Encrypt to get a trusted certificate with
-automatic renewal, this is also integrated in the {pmg} API and Webinterface.
+3. Use an ACME provider like Let's Encrypt to get a trusted certificate with
+automatic renewal; this is also integrated in the {pmg} API and web interface.
Certificates are managed through the {pmg} web-interface/API or using the
the `pmgconfig` CLI tool.
@@ -39,7 +39,7 @@ Upload Custom Certificate
~~~~~~~~~~~~~~~~~~~~~~~~~
If you already have a certificate which you want to use for a {pmg} host, you
-can upload that certificate simply over the web interface.
+can simply upload that certificate over the web interface.
[thumbnail="pmg-gui-certs-upload-custom.png"]
@@ -50,14 +50,14 @@ Trusted certificates via Let's Encrypt (ACME)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
{PMG} includes an implementation of the **A**utomatic **C**ertificate
-**M**anagement **E**nvironment **ACME** protocol, allowing {pmg} admins to
-use an ACME provider like Let's Encrypt for easy setup of TLS certificates
-which are accepted and trusted from modern operating systems and web browsers
+**M**anagement **E**nvironment (**ACME**) protocol, allowing {pmg} admins to
+use an ACME provider like Let's Encrypt for easy setup of TLS certificates,
+which are accepted and trusted by modern operating systems and web browsers
out of the box.
Currently, the two ACME endpoints implemented are the
-https://letsencrypt.org[Let's Encrypt (LE)] production and its staging
-environment. Our ACME client supports validation of `http-01` challenges using
+https://letsencrypt.org[Let's Encrypt (LE)] production and staging
+environments. Our ACME client supports validation of `http-01` challenges using
a built-in web server and validation of `dns-01` challenges using a DNS plugin
supporting all the DNS API endpoints https://acme.sh[acme.sh] does.
@@ -67,8 +67,8 @@ ACME Account
[thumbnail="pmg-gui-acme-create-account.png"]
-You need to register an ACME account per cluster with the endpoint you want to
-use. The email address used for that account will serve as contact point for
+You need to register an ACME account per cluster, with the endpoint you want to
+use. The email address used for that account will serve as the contact point for
renewal-due or similar notifications from the ACME endpoint.
You can register or deactivate ACME accounts over the web interface
@@ -86,15 +86,15 @@ directory.
ACME Plugins
^^^^^^^^^^^^
-The ACME plugins task is to provide automatic verification that you, and thus
+The ACME plugin's role is to provide automatic verification that you, and thus
the {pmg} cluster under your operation, are the real owner of a domain. This is
-the basis building block for automatic certificate management.
+the basic building block of automatic certificate management.
The ACME protocol specifies different types of challenges, for example the
-`http-01` where a web server provides a file with a certain content to prove
+`http-01`, where a web server provides a file with a specific token to prove
that it controls a domain. Sometimes this isn't possible, either because of
technical limitations or if the address of a record is not reachable from the
-public internet. The `dns-01` challenge can be used in these cases. The
+public internet. The `dns-01` challenge can be used in such cases. This
challenge is fulfilled by creating a certain DNS record in the domain's zone.
[thumbnail="pmg-gui-acme-create-challenge-plugin.png"]
@@ -116,7 +116,7 @@ using the `pmgconfig` command.
After configuring the desired domain(s) for a node and ensuring that the
desired ACME account is selected, you can order your new certificate over the
-web-interface. On success the interface will reload after circa 10 seconds.
+web-interface. On success, the interface will reload after roughly 10 seconds.
Renewal will happen xref:sysadmin_certs_acme_automatic_renewal[automatically].
@@ -125,13 +125,13 @@ ACME HTTP Challenge Plugin
~~~~~~~~~~~~~~~~~~~~~~~~~~
There is always an implicitly configured `standalone` plugin for validating
-`http-01` challenges via the built-in webserver spawned on port 80.
+`http-01` challenges via the built-in web server spawned on port 80.
-NOTE: The name `standalone` means that it can provide the validation on it's
-own, without any third party service. So, this plugin works also for cluster
+NOTE: The name `standalone` means that it can provide the validation on its
+own, without any third party service. So this plugin also works for cluster
nodes.
-There are a few prerequisites to use it for certificate management with Let's
+There are a few prerequisites to use this for certificate management with Let's
Encrypts ACME.
* You have to accept the ToS of Let's Encrypt to register an account.
@@ -154,7 +154,7 @@ Configuring ACME DNS APIs for validation
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
{pmg} re-uses the DNS plugins developed for the `acme.sh`
-footnote:[acme.sh https://github.com/acmesh-official/acme.sh] project, please
+footnote:[acme.sh https://github.com/acmesh-official/acme.sh] project. Please
refer to its documentation for details on configuration of specific APIs.
The easiest way to configure a new plugin with the DNS API is using the web
@@ -162,27 +162,27 @@ interface (`Certificates -> ACME Accounts/Challenges`).
[thumbnail="pmg-gui-acme-create-challenge-plugin.png"]
-Add a new challenge plugin, here you can select your API provider, enter the
-credential data to access your account over their API.
+Here you can add a new challenge plugin by selecting your API provider and
+entering the credential data to access your account over their API.
TIP: See the acme.sh
https://github.com/acmesh-official/acme.sh/wiki/dnsapi#how-to-use-dns-api[How to use DNS API]
wiki for more detailed information about getting API credentials for your
provider. Configuration values do not need to be quoted with single or double
-quotes, for some plugins that is even an error.
+quotes; for some plugins that is even an error.
-As there are many DNS providers and API endpoints {pmg} automatically generates
-the form for the credentials, but not all providers are annotated yet. For
-those you will see a bigger text area, simply copy all the credentials
-`KEY`=`VALUE` pairs in there.
+As there are many DNS providers and API endpoints, {pmg} automatically generates
+the form for the credentials, but not all providers are annotated yet. For those
+you will see a bigger text area, into which you simply need to copy all the
+credential's `KEY`=`VALUE` pairs.
DNS Validation through CNAME Alias
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-A special `alias` mode can be used to handle the validation on a different
+A special `alias` mode can be used to handle validation on a different
domain/DNS server, in case your primary/real DNS does not support provisioning
via an API. Manually set up a permanent `CNAME` record for
-`_acme-challenge.domain1.example` pointing to `_acme-challenge.domain2.example`
+`_acme-challenge.domain1.example` pointing to `_acme-challenge.domain2.example`,
and set the `alias` property in the {pmg} node configuration file
`/etc/pmg/node.conf` to `domain2.example` to allow the DNS server of
`domain2.example` to validate all challenges for `domain1.example`.
@@ -193,10 +193,10 @@ Wildcard Certificates
Wildcard DNS names start with a `*.` prefix and are considered valid for all
(one-level) subdomain names of the verified domain. So a certificate for
-`*.domain.example` is valid for example for `foo.domain.example` and
+`*.domain.example` is valid for `foo.domain.example` and
`bar.domain.example`, but not for `baz.foo.domain.example`.
-You can currently create wildcard certificates only with the
+Currently, you can only create wildcard certificates with the
https://letsencrypt.org/docs/challenge-types/#dns-01-challenge[DNS challenge type].
@@ -217,9 +217,9 @@ Automatic renewal of ACME certificates
If a node has been successfully configured with an ACME-provided certificate
(either via pmgconfig or via the web-interface/API), the certificate will be
-automatically renewed by the `pmg-daily.service`. Currently, renewal is
-triggered if the certificate either already expired or if it will expire in the
-next 30 days.
+renewed automatically by the `pmg-daily.service`. Currently, renewal is
+triggered if the certificate either has already expired or if it will expire in
+the next 30 days.
Manually Change Certificate over Command-Line
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -227,13 +227,13 @@ Manually Change Certificate over Command-Line
If you want to get rid of certificate verification warnings, you have to
generate a valid certificate for your server.
-Login to your {pmg} via ssh or use the console:
+Log in to your {pmg} via ssh or use the console:
----
openssl req -newkey rsa:2048 -nodes -keyout key.pem -out req.pem
----
-Follow the instructions on the screen, see this example:
+Follow the instructions on the screen, for example:
----
Country Name (2 letter code) [AU]: AT
@@ -249,9 +249,9 @@ A challenge password []: not necessary
An optional company name []: not necessary
----
-After you finished this certificate request you have to send the file
+After you have finished the certificate request, you have to send the file
`req.pem` to your Certification Authority (CA). The CA will issue the
-certificate (BASE64 encoded) based on your request – save this file as
+certificate (BASE64 encoded), based on your request – save this file as
`cert.pem` to your {pmg}.
To activate the new certificate, do the following on your {pmg}:
@@ -266,11 +266,11 @@ Then restart the API servers:
systemctl restart pmgproxy
----
-Test your new certificate by using your browser.
+Test your new certificate, using your browser.
-NOTE: To transfer files from and to your {pmg}, you can use secure copy: If you
-desktop is Linux, you can use the `scp` command line tool. If your desktop PC
-is windows, please use a scp client like WinSCP (see https://winscp.net/).
+NOTE: To transfer files to and from your {pmg}, you can use secure copy: If your
+desktop runs Linux, you can use the `scp` command line tool. If your desktop PC
+runs windows, please use an scp client like WinSCP (see https://winscp.net/).
Change Certificate for Cluster Setups
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
--
2.30.2
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