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Welcome to Let's Encrypt Community Support
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1
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86632
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August 7, 2015
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Sudden 'some challenges have failed' issue on an old website
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9
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13
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December 6, 2025
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Err_cert_authority_invalid
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11
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116
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December 5, 2025
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Cannot renew Let's Encrypt SSL Certificate on windows
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2
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37
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December 5, 2025
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Certify the Web has changed my cert from R13 to R12, will this cause a problem?
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5
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64
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December 5, 2025
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SSL Certificate Error Bitnami
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5
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120
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December 4, 2025
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Certbot: Modify nginx config without loading a certificate
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1
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48
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December 4, 2025
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When will Let's Encrypt's IP certificates be officially launched?
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59
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3047
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December 4, 2025
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Wording of HTTP-01 Challenge Documentation for IP SANs
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2
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85
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December 4, 2025
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Subdomains and addon domains with CertSage on NameCheap
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7
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40
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December 4, 2025
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Certbot 5.2.1 Release
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0
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89
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December 3, 2025
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New implementation of acme client but struggling with even account creation
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45
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229
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December 3, 2025
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How to setup certbot correctly
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2
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102
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December 3, 2025
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All renewals failing with response code 429
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13
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155
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December 3, 2025
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I have a Certificate Signing Request, how can I obtain my CABUNDLE issued?
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4
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100
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December 2, 2025
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Repeated SERVFAIL errors when Let's Encrypt looks up CAA for .net TLD
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18
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251
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December 2, 2025
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Acme-dns-persist-01 and SPIFFE
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1
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143
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December 2, 2025
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Dns-01 challenge failing for only one specific domain
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4
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108
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December 2, 2025
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404 on aqme challenge at renewal
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2
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52
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December 2, 2025
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Need help getting cert with IP address
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10
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232
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December 1, 2025
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Errors creating ssl certificate stuff for nginx
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11
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170
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November 30, 2025
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Adding a renewal hook to an existing cert
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1
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42
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November 30, 2025
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DNS-01: errors during certificate request with Zoraxy reverse proxy
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7
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72
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November 30, 2025
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Request: ipv6/64 subnets added to a wildcard certificate
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8
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221
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November 30, 2025
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My Cert Gets Invalid before expiry Date
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2
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74
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November 30, 2025
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Reading domains from a space separated list (string variable) in Bash shell script
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6
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96
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November 30, 2025
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CertSage Urn:ietf:params:acme:error:unauthorized
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3
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51
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November 29, 2025
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Challenge uses wrong IP
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5
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53
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November 29, 2025
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Can't renew due to probably config errors on my side
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1
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85
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November 28, 2025
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¿Cómo empezar con el Certificado SSL?
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2
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46
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November 28, 2025
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