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Welcome to Let's Encrypt Community Support
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1
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86489
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August 7, 2015
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New "Generation Y" Hierarchy of Root and Intermediate Certificates
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0
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54
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November 24, 2025
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Cert common name
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8
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46
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November 24, 2025
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Repeated SERVFAIL errors when Let's Encrypt looks up CAA for .net TLD
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7
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92
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November 24, 2025
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When will Let's Encrypt's IP certificates be officially launched?
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17
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928
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November 24, 2025
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Trying to setup Docker/Traefik on Raspberry Pi 5 but getting: "...invalid authorization: acme: error: 400 :: urn:ietf:params:acme:error:connection"
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14
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93
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November 23, 2025
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Cannot renew, Apache, linux
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29
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218
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November 22, 2025
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Certbot challenge fails internal logs have 404 error
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25
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56
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November 22, 2025
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Early access to shortlived certs
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2
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118
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November 21, 2025
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Certbot: deactivate authorization(s) (rfc8555#section-7.5.2)
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22
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302
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November 21, 2025
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Certbot failed to authenticate some domains. Timeout during connect (likely firewall problem)
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3
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59
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November 21, 2025
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Nginx Certbot Challenge failing with 404
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2
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46
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November 21, 2025
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SSL Issue - UK NHS Organisations
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10
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106
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November 21, 2025
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DNS-01 Stuck with "not yet propagated" - DNS record is publicly available
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2
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61
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November 21, 2025
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Unifi cert renewal error
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2
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74
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November 20, 2025
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Wix SSL is not trusted Problem
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5
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73
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November 19, 2025
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Shortlived IPv6 certificates
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8
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177
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November 19, 2025
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Domain and *.domain in certificate
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1
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72
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November 19, 2025
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Cannot certificate - challenge http-01 failed
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4
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113
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November 19, 2025
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Synology NAS and acme.sh failure 5510, 5514
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3
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107
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November 19, 2025
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Im really new or noob legendary
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2
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74
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November 19, 2025
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Reading domains from a space separated list (string variable) in Bash shell script
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4
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43
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November 18, 2025
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DNS resolv not working with duckdns.org domain
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2
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82
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November 18, 2025
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Acme.sh wont update my certificate any longer
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11
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92
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November 18, 2025
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Https://www.isitdownrightnow.com/r12.c.lencr.org.html
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4
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82
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November 18, 2025
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Any easy way 2025 for automatic renewal of SSL on Namecheap?
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2
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61
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November 18, 2025
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Failed to resolve 'acme-v02.api.letsencrypt.org' ([Errno -3] Temporary failure in name resolution)
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0
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47
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November 18, 2025
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UNMS and Let's Encrypt Certificate Error
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4
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49
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November 18, 2025
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Certificate is installed but suddenly stopped working
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35
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151
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November 17, 2025
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Don't know where to get ACME TXT token
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1
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67
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November 17, 2025
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