# Occasional SSL errors due to certificate mismatch

**URL:** <https://forum.codefloe.com/t/occasional-ssl-errors-due-to-certificate-mismatch/142>\
**Category:** Site Feedback\
**Created:** [August 4, 2026, 9:00pm UTC](https://forum.codefloe.com/t/occasional-ssl-errors-due-to-certificate-mismatch/142 "2026-08-04T21:00:32Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![robink](https://forum.codefloe.com/user_avatar/forum.codefloe.com/robink/32/211_2.png) [@robink](https://forum.codefloe.com/u/robink)\
**Post date:** [August 4, 2026, 9:00pm UTC](https://forum.codefloe.com/t/occasional-ssl-errors-due-to-certificate-mismatch/142/1 "2026-08-04T21:00:32Z")

</div>

Occasionally I get SSL errors indicating a wrong certificate when browsing the CodeFloe website (homepage, Forgejo instance, forum …). This issue is always fixed by a reload and I can’t really see a pattern. I’ve experienced the problem multiple times (\> 10) over the last four weeks. Here is an example error message (in this case I got the certificate for [grpc.ci.codefloe.com](http://grpc.ci.codefloe.com) when connecting to [forum.codefloe.com](http://forum.codefloe.com)):

> ****
>
> ```auto
> https://forum.codefloe.com/badges/10/editor?username=robink
> 
> Unable to communicate securely with peer: requested domain name does not match the server’s certificate.
> 
> HTTP Strict Transport Security: false
> 
> HTTP Public Key Pinning: false
> 
> Certificate chain:
> 
> -----BEGIN CERTIFICATE-----
> 
> MIIDljCCAxygAwIBAgISBS3I6uTcXC1pjmDl+H2AJWE9MAoGCCqGSM49BAMDMDMx
> 
> CzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQwwCgYDVQQDEwNZ
> 
> RTEwHhcNMjYwODAzMDI0NjM5WhcNMjYxMTAxMDI0NjM4WjAfMR0wGwYDVQQDExRn
> 
> cnBjLmNpLmNvZGVmbG9lLmNvbTBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABMvz
> 
> j8Ronn+jeXJEFql1teDRijf88fP5PrF6ew0QQL85xG5H3MevenjACn9khUXJ22S6
> 
> LZCh1IX8PTrQQAPQt1ajggIiMIICHjAOBgNVHQ8BAf8EBAMCB4AwEwYDVR0lBAww
> 
> CgYIKwYBBQUHAwEwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUN9Dn6Wl4eyoH6Cqv
> 
> mjIWDZIi23owHwYDVR0jBBgwFoAUuyDKRwv+1+Wc+Y8JKqOMN0WxvNgwMwYIKwYB
> 
> BQUHAQEEJzAlMCMGCCsGAQUFBzAChhdodHRwOi8veWUxLmkubGVuY3Iub3JnLzAf
> 
> BgNVHREEGDAWghRncnBjLmNpLmNvZGVmbG9lLmNvbTATBgNVHSAEDDAKMAgGBmeB
> 
> DAECATAuBgNVHR8EJzAlMCOgIaAfhh1odHRwOi8veWUxLmMubGVuY3Iub3JnLzYy
> 
> LmNybDCCAQwGCisGAQQB1nkCBAIEgf0EgfoA+AB1AJROQ4f67MHvgfMZJCaoGGUB
> 
> x9NfOAIBP3JnfVU3LhnYAAABn8W5ta0AAAQDAEYwRAIgE3VpMstBr7Yqr7bFUtf1
> 
> /TFcXw5eP1NHmuc2BeFP+ssCIHc1VaZjVWdCQeTSySUsUFJSP+vQS6HRb46iGNnQ
> 
> m3k5AH8AbP5QGUOoXqkWvFLRM+TcyR7xQRx9JYQg0XOAnhgY6zoAAAGfxbm5UAAI
> 
> AAAFABljf7MEAwBIMEYCIQCsw8mSTRqXU8g+kSW9iot4wdKMBDhaTNaAgFpB//br
> 
> xQIhAPWB22qw3i+ldfvqJqPAuMAz8t/96tFwB2sJixlosEAoMAoGCCqGSM49BAMD
> 
> A2gAMGUCMQC4Eq2SkbY+daroV+jQupm4yW0L5kLD4Th0oeNyBSwakqWyDIQeEmi/
> 
> K8kkQbV3JzcCMAyJpud4sH7+qJJkav3ylNkv5HByujM1s3WYrdzFqi6+Tur4FPG9
> 
> q3spBUuakd0olA==
> 
> -----END CERTIFICATE-----
> 
> -----BEGIN CERTIFICATE-----
> 
> MIICizCCAhGgAwIBAgIQXd1w3TH4AchcGGp6BLgK/jAKBggqhkjOPQQDAzAuMQsw
> 
> CQYDVQQGEwJVUzENMAsGA1UEChMESVNSRzEQMA4GA1UEAxMHUm9vdCBZRTAeFw0y
> 
> NTA5MDMwMDAwMDBaFw0yODA5MDIyMzU5NTlaMDMxCzAJBgNVBAYTAlVTMRYwFAYD
> 
> VQQKEw1MZXQncyBFbmNyeXB0MQwwCgYDVQQDEwNZRTEwdjAQBgcqhkjOPQIBBgUr
> 
> gQQAIgNiAAQHZVB1/mimla2hfSurylScjPMZaOJXLz/NnAc2sylm8WDyhU9Ccp+z
> 
> ASQi5vSwGGJjSGklkD9fdPR8GpyDIOIjCEfrnbt/v+ZSEPLLEGbaM6EccDbN7p9x
> 
> teIm2Avf+ryjge4wgeswDgYDVR0PAQH/BAQDAgGGMBMGA1UdJQQMMAoGCCsGAQUF
> 
> BwMBMBIGA1UdEwEB/wQIMAYBAf8CAQAwHQYDVR0OBBYEFLsgykcL/tflnPmPCSqj
> 
> jDdFsbzYMB8GA1UdIwQYMBaAFKPIJlqOoUzQNWP8myPIOq5W809WMDIGCCsGAQUF
> 
> BwEBBCYwJDAiBggrBgEFBQcwAoYWaHR0cDovL3llLmkubGVuY3Iub3JnLzATBgNV
> 
> HSAEDDAKMAgGBmeBDAECATAnBgNVHR8EIDAeMBygGqAYhhZodHRwOi8veWUuYy5s
> 
> ZW5jci5vcmcvMAoGCCqGSM49BAMDA2gAMGUCMQDgjUEahFT/h3DRakqiPZpLvPgf
> 
> Zwkt6K2EOMmh1nvEzl83eMLYcod4GCl3b0J1Nn0CMBNYmEQJb4CEG5WoOe7aRn/L
> 
> VKu6saHmHEynI7ysIPd8zQsK1HdmhlHKlw9Z5GpGvA==
> 
> -----END CERTIFICATE-----
> 
> -----BEGIN CERTIFICATE-----
> 
> MIICpjCCAiugAwIBAgIRAIchZfw0tuX7qK3Vs3BftTowCgYIKoZIzj0EAwMwTzEL
> 
> MAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2VhcmNo
> 
> IEdyb3VwMRUwEwYDVQQDEwxJU1JHIFJvb3QgWDIwHhcNMjYwNTEzMDAwMDAwWhcN
> 
> MzIwOTAyMjM1OTU5WjAuMQswCQYDVQQGEwJVUzENMAsGA1UEChMESVNSRzEQMA4G
> 
> A1UEAxMHUm9vdCBZRTB2MBAGByqGSM49AgEGBSuBBAAiA2IABDwS/6vhrcVqcbBo
> 
> +wgdI3fwn9x7DNJJOY/lTOti0vkwuRN87RhEhTH17E7XyFjWsPYhIPt/wzOqxTd2
> 
> b+4ZJNy9ID04YywF9U5zasDVyGSNErVNtz8uSGh5izW87j77GaOB6zCB6DAOBgNV
> 
> HQ8BAf8EBAMCAQYwEwYDVR0lBAwwCgYIKwYBBQUHAwEwDwYDVR0TAQH/BAUwAwEB
> 
> /zAdBgNVHQ4EFgQUo8gmWo6hTNA1Y/ybI8g6rlbzT1YwHwYDVR0jBBgwFoAUfEKW
> 
> rt5LSDv6kviejM9ti6lyN5UwMgYIKwYBBQUHAQEEJjAkMCIGCCsGAQUFBzAChhZo
> 
> dHRwOi8veDIuaS5sZW5jci5vcmcvMBMGA1UdIAQMMAowCAYGZ4EMAQIBMCcGA1Ud
> 
> HwQgMB4wHKAaoBiGFmh0dHA6Ly94Mi5jLmxlbmNyLm9yZy8wCgYIKoZIzj0EAwMD
> 
> aQAwZgIxAMU19WCtmxVND8UHBZRoma49Z7jPs64Dma0eTu1OChVbB/2J7GV3nvYK
> 
> Ax54uk1G9QIxAO0miLVJu8PLNiXXXkiE/gsK3CTRTF/aeo4bMX42Zw40csRU6AC2
> 
> 6hSW1/IWaas6dg==
> 
> -----END CERTIFICATE-----
> 
> -----BEGIN CERTIFICATE-----
> 
> MIIEcDCCAligAwIBAgIQbI8dxyfHEX97r4U6yYD5zTANBgkqhkiG9w0BAQsFADBP
> 
> MQswCQYDVQQGEwJVUzEpMCcGA1UEChMgSW50ZXJuZXQgU2VjdXJpdHkgUmVzZWFy
> 
> Y2ggR3JvdXAxFTATBgNVBAMTDElTUkcgUm9vdCBYMTAeFw0yNjA1MTMwMDAwMDBa
> 
> Fw0zMjA5MDIyMzU5NTlaME8xCzAJBgNVBAYTAlVTMSkwJwYDVQQKEyBJbnRlcm5l
> 
> dCBTZWN1cml0eSBSZXNlYXJjaCBHcm91cDEVMBMGA1UEAxMMSVNSRyBSb290IFgy
> 
> MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAEzZvVn4CDCuwJSvMWSj5cz3es3mcFDR0H
> 
> ttwW+1qLFNvicWDEukWVEYmO6gbf9yoWHKS5xcUy4APgHoIYOIvXRdgKam7mAHf7
> 
> AlF9ItgKbppbd9/w+kHsOdx1ymgHDB/qo4H1MIHyMA4GA1UdDwEB/wQEAwIBBjAd
> 
> BgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDwYDVR0TAQH/BAUwAwEB/zAd
> 
> BgNVHQ4EFgQUfEKWrt5LSDv6kviejM9ti6lyN5UwHwYDVR0jBBgwFoAUebRZ5nu2
> 
> 5eQBc4AIiMgaWPbpm24wMgYIKwYBBQUHAQEEJjAkMCIGCCsGAQUFBzAChhZodHRw
> 
> Oi8veDEuaS5sZW5jci5vcmcvMBMGA1UdIAQMMAowCAYGZ4EMAQIBMCcGA1UdHwQg
> 
> MB4wHKAaoBiGFmh0dHA6Ly94MS5jLmxlbmNyLm9yZy8wDQYJKoZIhvcNAQELBQAD
> 
> ggIBAD2/e9frmMxNpCV03qUHegg+MV2wz9644YoXdqtH8RyWYcBO7xfjjGEXdU1e
> 
> /o0OkEFiynUCOSIk/vLLo7ttz6CPAeNlWfC0XNkoGeWgK6jjXvozBaGuGH5n0Ufo
> 
> shMeWTuURqNN5G00sSXDTBrpp2+mgvdZQjb8K11TYMA25QA+YHNfbIEL0BniAhKS
> 
> 2gsnJjSzrdZLI+EZ7SEyqdR2rkjd1KutLDU+n3TFyxjniZVGur4YlhMP3mY/dV95
> 
> IruAkkjOZier6hGBdEgZXXvaCz9u9iVEadsIE75pAGL8oHV5vxdARDiotRpul1IN
> 
> /UZwzAbrfUFcw1HkAcYD/mlZfnQ2ieCF2MS7j3Vhv7JPDKp45fmykmzYNSrumRW0
> 
> upFFKDBOoF7hsOb7oLyHS+Uft6jOUfOrogj8YUx38hKb2K20r42OgsSdDdxdeYWc
> 
> MS3Sb6mwJeSZEYxJ2gaXnDSPaKhhrNkYwljyVQyr4Nq+MEJytXNTnHqaAcrNwZlV
> 
> pcJL1KBnMrMjP7eanvUwL3FYj3cF17jtboLt7gLoi4+2rWZFvn+w54jmd/FIuhhZ
> 
> cEaU/wvU6BUNMtcVquVGHp7itQeDth5j+XL3j4WJ2SABwzUl6OeYdgpIt/ITZa+p
> 
> TT0mQ/r5XyA4MEAiabn7XJjvCERlF2dcn2wqJw+CreTkkQ2R
> 
> -----END CERTIFICATE-----
> 
> ```

Browser: Firefox 140.13.0esr

Please let me know if I can provide any more information to identify the issue.

---

<div class="post-metadata">

**Author:** ![codefloe](https://forum.codefloe.com/user_avatar/forum.codefloe.com/codefloe/32/42_2.png) [@codefloe](https://forum.codefloe.com/u/codefloe)\
**Post date:** [August 5, 2026, 6:47am UTC](https://forum.codefloe.com/t/occasional-ssl-errors-due-to-certificate-mismatch/142/2 "2026-08-05T06:47:56Z")

</div>

This is (was) a bug on our side and should now be fixed, see [https://codefloe.com/codefloe/infrastructure-as-code/pulls/139](https://codefloe.com/codefloe/infrastructure-as-code/pulls/139).

Thanks for the report!

---

<div class="post-metadata">

**Author:** ![robink](https://forum.codefloe.com/user_avatar/forum.codefloe.com/robink/32/211_2.png) [@robink](https://forum.codefloe.com/u/robink)\
**Post date:** [August 5, 2026, 7:24am UTC](https://forum.codefloe.com/t/occasional-ssl-errors-due-to-certificate-mismatch/142/3 "2026-08-05T07:24:25Z")

</div>

Thanks for the quick fix!