Improve Let's Encrypt documentation
This commit is contained in:
NicoMen
Traefiker
parent
b75fb23887
commit
89b0037ec1
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@ -44,25 +44,23 @@ defaultEntryPoints = ["http", "https"]
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address = ":443"
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[entryPoints.https.tls]
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[[entryPoints.https.tls.certificates]]
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certFile = "tests/traefik.crt"
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keyFile = "tests/traefik.key"
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CertFile = "examples/traefik.crt"
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KeyFile = "examples/traefik.key"
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```
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## Let's Encrypt support
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### Basic example
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```toml
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[entryPoints]
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[entryPoints.https]
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address = ":443"
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[entryPoints.https.tls]
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# certs used as default certs
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[[entryPoints.https.tls.certificates]]
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certFile = "tests/traefik.crt"
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keyFile = "tests/traefik.key"
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[acme]
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email = "test@traefik.io"
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storageFile = "acme.json"
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onDemand = true
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storage = "acme.json"
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caServer = "http://172.18.0.1:4000/directory"
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entryPoint = "https"
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@ -78,6 +76,161 @@ entryPoint = "https"
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main = "local4.com"
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```
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This configuration allows generating Let's Encrypt certificates for the four domains `local[1-4].com` with described SANs.
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Traefik generates these certificates when it starts and it needs to be restart if new domains are added.
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### OnHostRule option
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```toml
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[entryPoints]
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[entryPoints.https]
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address = ":443"
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[entryPoints.https.tls]
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[acme]
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email = "test@traefik.io"
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storage = "acme.json"
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onHostRule = true
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caServer = "http://172.18.0.1:4000/directory"
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entryPoint = "https"
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[[acme.domains]]
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main = "local1.com"
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sans = ["test1.local1.com", "test2.local1.com"]
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[[acme.domains]]
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main = "local2.com"
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sans = ["test1.local2.com", "test2x.local2.com"]
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[[acme.domains]]
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main = "local3.com"
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[[acme.domains]]
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main = "local4.com"
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```
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This configuration allows generating Let's Encrypt certificates for the four domains `local[1-4].com`.
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Traefik generates these certificates when it starts.
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If a backend is added with a `onHost` rule, Traefik will automatically generate the Let's Encrypt certificate for the new domain.
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### OnDemand option
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```toml
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[entryPoints]
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[entryPoints.https]
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address = ":443"
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[entryPoints.https.tls]
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[acme]
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email = "test@traefik.io"
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storage = "acme.json"
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OnDemand = true
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caServer = "http://172.18.0.1:4000/directory"
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entryPoint = "https"
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```
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This configuration allows generating a Let's Encrypt certificate during the first HTTPS request on a new domain.
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**Note** : This option simplifies the configuration but :
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* TLS handshakes will be slow when requesting a hostname certificate for the first time, this can leads to DDoS attacks.
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* Let's Encrypt have rate limiting: https://letsencrypt.org/docs/rate-limits
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That's why, it's better to use the `onHostRule` optin if possible.
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### DNS challenge
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```toml
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[entryPoints]
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[entryPoints.https]
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address = ":443"
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[entryPoints.https.tls]
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[acme]
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email = "test@traefik.io"
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storage = "acme.json"
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dnsProvider = "digitalocean" # DNS Provider name (cloudflare, OVH, gandi...)
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delayDontCheckDNS = 0
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caServer = "http://172.18.0.1:4000/directory"
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entryPoint = "https"
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[[acme.domains]]
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main = "local1.com"
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sans = ["test1.local1.com", "test2.local1.com"]
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[[acme.domains]]
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main = "local2.com"
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sans = ["test1.local2.com", "test2x.local2.com"]
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[[acme.domains]]
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main = "local3.com"
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[[acme.domains]]
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main = "local4.com"
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```
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DNS challenge needs environment variables to be executed. This variables have to be set on the machine/container which host Traefik.
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These variables has described [in this section](toml/#acme-lets-encrypt-configuration).
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### OnHostRule option and provided certificates
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```toml
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[entryPoints]
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[entryPoints.https]
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address = ":443"
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[entryPoints.https.tls]
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[[entryPoints.https.tls.certificates]]
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CertFile = "examples/traefik.crt"
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KeyFile = "examples/traefik.key"
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[acme]
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email = "test@traefik.io"
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storage = "acme.json"
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onHostRule = true
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caServer = "http://172.18.0.1:4000/directory"
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entryPoint = "https"
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```
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Traefik will only try to generate a Let's encrypt certificate if the domain cannot be checked by the provided certificates.
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### Cluster mode
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#### Prerequisites
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Before to use Let's Encrypt in a Traefik cluster, take a look to [the key-value store explanations](/user-guide/kv-config) and more precisely to [this section](/user-guide/kv-config/#store-configuration-in-key-value-store) in the way to know how to migrate from a acme local storage *(acme.json file)* to a key-value store configuration.
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#### Configuration
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```toml
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[entryPoints]
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[entryPoints.https]
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address = ":443"
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[entryPoints.https.tls]
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[acme]
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email = "test@traefik.io"
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storage = "traefik/acme/account"
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caServer = "http://172.18.0.1:4000/directory"
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entryPoint = "https"
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[[acme.domains]]
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main = "local1.com"
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sans = ["test1.local1.com", "test2.local1.com"]
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[[acme.domains]]
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main = "local2.com"
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sans = ["test1.local2.com", "test2x.local2.com"]
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[[acme.domains]]
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main = "local3.com"
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[[acme.domains]]
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main = "local4.com"
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[consul]
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endpoint = "127.0.0.1:8500"
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watch = true
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prefix = "traefik"
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```
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This configuration allows to use the key `traefik/acme/account` to get/set Let's Encrypt certificates content.
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The `consul` provider contains the configuration.
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**Note** : It's possible to use others key-value store providers as described [here](/user-guide/kv-config/#key-value-store-configuration).
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## Override entrypoints in frontends
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```toml
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@ -1,21 +1,19 @@
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-----BEGIN CERTIFICATE-----
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MIIDXTCCAkWgAwIBAgIJAPPVb4fq4kkvMA0GCSqGSIb3DQEBCwUAMEUxCzAJBgNV
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BAYTAkFVMRMwEQYDVQQIDApTb21lLVN0YXRlMSEwHwYDVQQKDBhJbnRlcm5ldCBX
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aWRnaXRzIFB0eSBMdGQwHhcNMTUxMDE5MTk0MTU4WhcNMTYxMDE4MTk0MTU4WjBF
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MQswCQYDVQQGEwJBVTETMBEGA1UECAwKU29tZS1TdGF0ZTEhMB8GA1UECgwYSW50
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ZXJuZXQgV2lkZ2l0cyBQdHkgTHRkMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB
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CgKCAQEAsPnpfnUPbQxSu3oq38OaX/Q6LKZ5gnS04F8kREF2RvCDMWiKOWru+hXb
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udkwU7Fx+7BcDBGsnJGFpY23dDcRurxF1DVs1jIFukH/vbYyHE8JQEgvOGSpDEiv
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rfbcxqK8E/VMrI10eXYGxWzaTFWQOND2PAJ1b5JvZrrzc8rfJ7h5Q24GKnw1999t
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hwsZgpUOh9te7fz1M4XxxRRoliMg0oH9EV3P9Yqq635tjWOix8PcnpcqnRKXVDhk
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TcNtE+45RsPoSgM6nkiXt8HP4afaVUAGAzF41kDm94SNexcyk7gyVsLs2cEI61Eu
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mhvpP3z91md+eAa3If7kU1w70WiY1wIDAQABo1AwTjAdBgNVHQ4EFgQUue6v2TkZ
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1oR0ZzEnnxfKdsGuBPMwHwYDVR0jBBgwFoAUue6v2TkZ1oR0ZzEnnxfKdsGuBPMw
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DAYDVR0TBAUwAwEB/zANBgkqhkiG9w0BAQsFAAOCAQEAk+xxO8gC40R7+5WVtWvA
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+chNsOoxKyFBOPvGzrYGQbt4OBWKrwQmMXSY3VnjY4GzVaZpOCJOxnupKfZrK4AP
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G+M+NI+J6fHJRCQdov7Xoje5M14FmgjRiLg+haDZhh//11C7P6MQPAzGNUTpUyqV
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Hsi/wwCYvre5bApb/4uDkDlZkLrgN4e1q8+gh6XLj8NPEOEBEI4VpMVoieC1PwnK
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pRfNlTsEhyjeMmOllw9fBKMEvEf1BKsJGaKmQ7zCr1nWznCxyI1Fuf66TfmL8/up
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lK6sQysLEOIgn2gZEjQz4O/9Jj9v8+TvyP4GZIDsCiv33AaeKJVuSkoeCH0Ls2V8
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aQ==
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MIIDHDCCAgQCCQDODsC1A72mSDANBgkqhkiG9w0BAQsFADBQMQswCQYDVQQGEwJG
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UjELMAkGA1UECAwCTVAxDTALBgNVBAcMBFRsc2UxEzARBgNVBAoMCkNvbnRhaW5v
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dXMxEDAOBgNVBAsMB1RyYWVmaWswHhcNMTcwODI1MTQxMzU3WhcNMjcwODIzMTQx
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MzU3WjBQMQswCQYDVQQGEwJGUjELMAkGA1UECAwCTVAxDTALBgNVBAcMBFRsc2Ux
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EzARBgNVBAoMCkNvbnRhaW5vdXMxEDAOBgNVBAsMB1RyYWVmaWswggEiMA0GCSqG
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SIb3DQEBAQUAA4IBDwAwggEKAoIBAQCacKEL5+AlaArZWyfysY1qbtOWdGj0xwq1
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tZ6GZ0fb+0uVeKzJxPBulpwhmXiofUncvFOpr1paaQQRRgE71A6PSIzc64a3NGmm
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dbju3eOdFVm9za37asFTA2Y87v9HSYJyNSeQgdVCbykhHBrHPrP6kfPx8T7uiPRT
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cYWhL9Ko1IuW2rTjMt2UUmk1IPk2WFMWKM1mopqzrxu/NB+O5wOs7MRO1Z8BtAak
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bclxCQaaE0TgjChlxVPP0us77rCq3///i9kf1x0PGt/LyseaxzAoKfZ6kM6Uq0yk
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psWGSxu7sPXmERsN4tZLj7d/J5A2nvnO7h/bhl2FtBAauzsi3LIbAgMBAAEwDQYJ
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KoZIhvcNAQELBQADggEBACQbp2gcCFbbQE47SwdI7rWDIITylHj0uCXHJfUggkUl
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F/WHIBUdpVaWVOLSysmG8n6fmWTDZOCVNA1+XMjRZUPwVvr//XHjcFpOKfHW47r2
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VeMHQYQpZH7QmsjyvxXZOrz/Ft3uA9Dna1N5nHRYflpfasdRmXbNK81IykR93Dfn
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jV9ecDAQl0ru/YcMmabYx3uoWyTvO57EnbXfiPcwIdKGpykXKTv64vAMtkrJicgX
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jhh+p7ayKklfxinEL7/GCjfSBip7J4DszvLVoyIzmS7HjVdJkpu9agZLYsSl4tCJ
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qnh7nkp/Fd0XdTV17FwL/veMlpq9AkillIKjHl6vFL0=
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-----END CERTIFICATE-----
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@ -1,28 +1,27 @@
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-----BEGIN PRIVATE KEY-----
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MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQCw+el+dQ9tDFK7
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eirfw5pf9DospnmCdLTgXyREQXZG8IMxaIo5au76Fdu52TBTsXH7sFwMEayckYWl
|
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jbd0NxG6vEXUNWzWMgW6Qf+9tjIcTwlASC84ZKkMSK+t9tzGorwT9UysjXR5dgbF
|
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bNpMVZA40PY8AnVvkm9muvNzyt8nuHlDbgYqfDX3322HCxmClQ6H217t/PUzhfHF
|
||||
FGiWIyDSgf0RXc/1iqrrfm2NY6LHw9yelyqdEpdUOGRNw20T7jlGw+hKAzqeSJe3
|
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wc/hp9pVQAYDMXjWQOb3hI17FzKTuDJWwuzZwQjrUS6aG+k/fP3WZ354Brch/uRT
|
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XDvRaJjXAgMBAAECggEAHvnvO5ojtBOXG4d7n6TuDWODFzOgSwxAaJFemK/Ykvwg
|
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CnLg1sH3yEAxMGtqgQurBsHMqrQhQVpbSSnv9WB6MvQnSMh9H1SsGfjZWYxdYwUW
|
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enDoCvfbevHyBgISjJYJU3j5Da7It0XIU6AE6Z2EW91/a+uGQJwh8ZpBaIAW5S2j
|
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B3k+bASANtwEcDdhGE7iLYeHiAttZo89oSSFZP/mwh84pIU29zUVUtsUaHXrob0p
|
||||
iyGXKPa8NqTvIsbX5Kh/lbbCO4KwsOqgs/eqL7cLSv2VfTmSQCJz+ikiVzcw/vJU
|
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PaT9H4SCBLP73/Gyjf5P14esWvprPQ3ZnWNNDDGWsQKBgQDoWqxQUy6PKY9or7QH
|
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M985y52Y0QlWdmRaLc8gxfWLU4/3Wn0NH1flkFXJ5X9uZFNoGMQpidJBajepzkNO
|
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/54V+1NCLUWl7SE5gMeFG8QtEE7ISyjut71CUDSn5mOp7EBARmqRpMZhmXT42RZi
|
||||
1zVDkG08ArKdH0Jnvkq5lWHGbwKBgQDC/IYJXkd27XZO+Ti8TdzaU+SSJV26aY++
|
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0N4pzq0cC6IWadHugH/XrgkfH+ImPzkf6XHrCSqSipJJLZMd473/8IjdOsf54wDP
|
||||
/yHKPXWhfC4W2L+6+l34Jo/ebnuDVvDme1nKLcdmxhwz4YZfg/TYbWaFzANrl3St
|
||||
beGg9ENIGQKBgBr6/GtPXWauUsK7NFJpyY/yfthR3Z22nayDCTwrAHovN9ZnIYI2
|
||||
k4RKoEuTZJqy96Rsy8pvAIUsCk6jbtlrgTXYOzDCBQZhZKxCsehY8wywihVj9NrT
|
||||
ZxyeJ58fd48xqbxM8O78jTSkFxsWSi0sBDlWOfjv70GjcZiOVir6l6HtAoGBAJeA
|
||||
MAENcQeV4AviltOwx/4Xmwx23gmeRaMklMn1HQoie9FgbU4cJ7kEL3AwjL3c99y0
|
||||
vN+7Ion0A0+6iol5z8ISObVzG7gsShBSkwWZlVFgtErqJKb6K5NJGxXf0DYvkkPy
|
||||
6cQup7VSDs282HRUiiSzdCpXZvztFCpAq0QtJi3ZAoGACjtJ7zEVs0hB7+sCq/SI
|
||||
UHjjv/fjGSm1TVDP46Joqbm62FRdYkEhd+pGMjtGs80OhM+psTZIqe/fgKdKl5yX
|
||||
nS9m6f4ny6XCcilfI3+bxXtsmWnpQnybSU2goe2n+Eoi3RcEB68Hp8U0aPjgDULM
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9YDU/ZMupHh/eT79n67QIXw=
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-----END PRIVATE KEY-----
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-----BEGIN RSA PRIVATE KEY-----
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MIIEpAIBAAKCAQEAmnChC+fgJWgK2Vsn8rGNam7TlnRo9McKtbWehmdH2/tLlXis
|
||||
ycTwbpacIZl4qH1J3LxTqa9aWmkEEUYBO9QOj0iM3OuGtzRppnW47t3jnRVZvc2t
|
||||
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|
||||
4zLdlFJpNSD5NlhTFijNZqKas68bvzQfjucDrOzETtWfAbQGpG3JcQkGmhNE4Iwo
|
||||
ZcVTz9LrO+6wqt///4vZH9cdDxrfy8rHmscwKCn2epDOlKtMpKbFhksbu7D15hEb
|
||||
DeLWS4+3fyeQNp75zu4f24ZdhbQQGrs7ItyyGwIDAQABAoIBAQCYFpBSJC/1Rmdg
|
||||
s0c81iMYjDlsMgll/FmMpmWNoEoA1ZESintGW94WWdU5tWRAMNm7Oe797ISDAmYS
|
||||
CKmQXH1WFzE5IexRoJjmZ4oOGY9cEzmEE/fg3rmxYWieWxIkBr0icTwcL+9u8/9B
|
||||
7uZkDli5SmA8g8HgsBhD0Eizel/vB5DyUtm8VoVYvDkkljYO/PGT/ectclr6JK9g
|
||||
biP4jkA2a3CTb8KeyBTrYbULWCtwZ7H5fmySXIX4QpJmEcx5Af7nYITU0OEK63uV
|
||||
NKCQLDpHyOrDIj+mwjxASBQdUDU7NApCR2MrzmGDRPPCGiEWYao5bCrsNRAoDFuy
|
||||
Ux2H+jnRAoGBAM2nOcjJ7nKmOEUTyB0J9ElJRBoChBJAF3ak/aj4xDYAz/hadQL0
|
||||
OuulOgmYwHjv7Y5Tx6P5ZQgyComa6rKfNZ/mzgm1wMPsKOi5q5T2Zj/0Pt6xih3x
|
||||
+PxonLiIS7221U5xlBZUyW1LLIM4gT7NS9n2pxBuNESotmSwFnPru4OzAoGBAMA/
|
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vyXAnOTRi1on8TDItdPDgq13s0I+q+Fj4+KVCEifRiT9P9NRKQNfvRZI39QGmJ+x
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kGx6VY96SZo5ysm4ElkcKLJ7EcZ38XehG9rar6ZLEAgY4KnA4wDZWmJ1dUm4ZJZI
|
||||
Sj2EFmb30V1FP/qo9TFro5Je6P0m9TjFeLKwF4P5AoGAKIu0x9KQMYh2BaB9zsPc
|
||||
pupMA/jFAzghqCGlZUAOpzsHxcZH1ZpDV5xO0f+Myws6wdngvYJ5GeGL1E93wFnF
|
||||
X85Ihv+PjtEry553prnhtPA5yPwl5/uCBHm3lGZC0JeQfJPGB5UV1XeBwilMyg39
|
||||
y25mx8WChprgwv84ngg3AyMCgYEAlb2RPvCFw9xK9FAEFwFeTrELyd1gLIrwCcBq
|
||||
MYPvTdFxK0JuQkQG8+/QMdlVLaptmoUNftDSb8zKI2w8PV44PFwofsxJDhNCavF7
|
||||
5r1K7vWsaQIni1EH/xNMyT+/uUn8XumzmbKWWGFSG5niuXR8dp/mag2u3+9GNY/p
|
||||
8RQjXNECgYAnA7rQ7UVayRQUL8NKB0jhP/J0UomrJRXYx+J5UP7QIoObXlTbDVSi
|
||||
VTAiSrhPQIFa1s8ghUgCghwq6KJsZoQzrp1fLLlV/HIN+4XXhYVAmOI/k41rCj/0
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eYTkXlXyFpcaW3h9vVjT1wN9FwbU1kNpFo/PvDLM/SQB7GhFRznDDw==
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-----END RSA PRIVATE KEY-----
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||||
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|||
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Reference in a new issue