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Welcome to Let's Encrypt Community Support
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0
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89423
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August 7, 2015
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HTTP-01 validation fails with connection reset, although domain is publicly reachable
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6
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100
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September 5, 2026
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Certificate not auto renewing
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24
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429
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September 5, 2026
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Anyone get their ISRG's T-Shirt yet for donating $75
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4
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191
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September 4, 2026
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Getting certbot and ssl
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10
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211
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September 2, 2026
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Revocation for certificates with multiple names
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7
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254
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September 1, 2026
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Certbot 5.8.0 Release
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0
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94
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September 1, 2026
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Multi domain cert, DNS auth, multiple DNS providers
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5
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139
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August 30, 2026
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SSL-certificaat
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3
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236
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August 30, 2026
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Moving to new server with different server name
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22
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287
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August 30, 2026
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Hi, i built a thing: a service to do dns-01 for domains whose dns you don't want to hand over
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12
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242
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August 29, 2026
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Correct DNS but TLS cert won't provision
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3
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165
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August 28, 2026
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CERTBOT Fails due to no IPV6
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4
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161
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August 27, 2026
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Secondary validation returns intermittent DNS SERVFAIL for survey.lang-sheng.cn
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7
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331
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August 27, 2026
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Certbot preferred challenge methods http to dns. How to use static CNAME delegation for DNS
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6
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203
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August 28, 2026
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Certificats bloqués suite à plusieurs tentatives
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16
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167
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August 26, 2026
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Intermittent "DNS problem: query timed out" (A/AAAA and CAA) affecting multiple domains on same authoritative NS — packet capture shows queries never arriving
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2
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131
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August 26, 2026
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Persistent NXDOMAIN on dns-01 challenge despite verified, consistent authoritative answers
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6
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247
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August 25, 2026
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Crt.sh seems down?
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11
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894
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August 25, 2026
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Renew certificate expired 490 days ago
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13
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335
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August 24, 2026
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How difficult is to install SSL
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7
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269
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August 23, 2026
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Anyone else using chisel server seeing this? Solution?
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4
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174
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August 23, 2026
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Attention! Potential fraud!
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1
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189
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August 22, 2026
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Production HTTP-01 validation times out immediately after staging succeeds (Primary validator only, no firewall block found)
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8
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444
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August 21, 2026
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No response from destination server
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7
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252
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August 20, 2026
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Support for HTTPS records in alias mode
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14
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461
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August 20, 2026
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Acmebot Export Cert Password
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1
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98
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August 19, 2026
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Acme-Agent - Acme client/certificate manager
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2
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176
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August 18, 2026
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Re: 2026.08.10 CPS missing root program attestation
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1
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160
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August 18, 2026
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The challenge data keeps changing between 2 validations in pending state
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9
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216
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August 18, 2026
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