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Welcome to Let's Encrypt Community Support
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1
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87035
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August 7, 2015
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HTTP 429 rate limit persists for over 2 months despite single-domain certificate requests
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2
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29
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January 12, 2026
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I am unable to create a certificate in Fedora 43 for my website. "Some challenges have failed."
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15
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38
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January 12, 2026
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How to create Trusted Certificates using cerbot
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2
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35
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January 12, 2026
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Update Certificates Chains section for Gen Y Hierarchy
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5
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243
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January 12, 2026
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Unable to Generate SSL Cert for Public Suffix "us.ci"
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0
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22
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January 12, 2026
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CMC and VMC Certificates?
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8
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56
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January 11, 2026
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Nginx Proxy Manager can not get a certificate. Why?
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18
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60
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January 11, 2026
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Synology DS916+ SSL broken?
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2
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50
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January 10, 2026
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Will the changes at Certbot/snap/LE between now and 3/31/2026 mean a re-do of Certbot?
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16
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280
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January 9, 2026
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Issue renewing Let’s Encrypt SSL certificate automatically
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3
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179
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January 9, 2026
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Notification of New Intermediate CAs
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5
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140
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January 9, 2026
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Need assistance clearing stale DNS delegation data for DNS-01 validation
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1
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49
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January 8, 2026
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Timeout during connect (likely firewall problem)
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6
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90
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January 8, 2026
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Possible Issues on Windows with new YE/YR hierarchy
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3
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124
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January 8, 2026
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Firefox OK, but Chrome says "Not secure"
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4
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82
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January 8, 2026
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ACME account is temp restricted? Rackspace failed to renew certificate?
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6
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58
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January 8, 2026
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I failed to apply for a certificate for my Chinese domain name
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6
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68
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January 8, 2026
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SSL renewal issue
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3
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84
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January 8, 2026
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Error getting validation data
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16
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66
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January 8, 2026
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Issues with certificates after renewal
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8
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97
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January 7, 2026
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Upcoming Changes to Let’s Encrypt Certificates
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2
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29520
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January 7, 2026
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AutoSSL / Let’s Encrypt HTTP DCV resolves domain to old IP despite correct DNS
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2
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89
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January 7, 2026
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Struggling to set up a SSL certificate in the cPanel of DomainFactory
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14
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167
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January 7, 2026
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Certificate Renewal Failing using Plesk
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2
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62
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January 7, 2026
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MacOS certbot directions seen wrong for cloudflare
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4
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42
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January 7, 2026
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Whm and plesk Let's Encryp problem
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3
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77
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January 6, 2026
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DNS providers who easily integrate with Let's Encrypt DNS validation
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32
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325678
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May 16, 2022
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Error 'Some challenges have failed' from `certbot renew`
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24
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119
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January 3, 2026
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CAn't renew the certificate using certbot. Does not write the challenge files
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2
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94
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January 2, 2026
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