A lot of redirects when proxy in dns-records is turning on

Looping of redirections when enabling a proxy on any record; connections through the domain name are not established.

When the proxy is disabled, access to sites and internal services that depend on DNS records works correctly

Could cloudflare support check what’s wrong? There is a suspicion that the violation occurred after yesterday’s technical work on cloudflare side

curl -L -I -v “my.domain”

  • Connection #1 to host “my.domain” left intact

  • Issue another request to this URL: ‘https://“my.domain”/’

  • Found bundle for host: 0x600001374000 [can multiplex]

  • Re-using existing connection with host “my.domain”

  • [HTTP/2] [99] OPENED stream for https://“my.domain”/

  • [HTTP/2] [99] [:method: HEAD]

  • [HTTP/2] [99] [:scheme: https]

  • [HTTP/2] [99] [:authority: “my.domain”]

  • [HTTP/2] [99] [:path: /]

  • [HTTP/2] [99] [user-agent: curl/8.4.0]

  • [HTTP/2] [99] [accept: /]


Host: “my.domain”

User-Agent: curl/8.4.0

Accept: /

< HTTP/2 301

HTTP/2 301

< date: Thu, 25 Apr 2024 12:39:00 GMT

date: Thu, 25 Apr 2024 12:39:00 GMT

< content-type: text/html

content-type: text/html

< location: https://“my.domain”/

location: https://“my.domain”/

< cf-cache-status: DYNAMIC

cf-cache-status: DYNAMIC

< report-to: {“endpoints”:[{“url”:“https://a.nel.cloudflare.com/report/v4?s=drJb68SMyiij4grZCVZEvUmkalBOm6OXAXzWedoOmc65NkcrSm9CvtRAtRokSAHR0qdl8CbvOUN4NfQEHPJsC4U5KhVrXFA2hqXaQSm7jhT8BALtgw0xxWzPshavKCrBHcOCMpk7”}],“group”:“cf-nel”,“max_age”:604800}

report-to: {“endpoints”:[{“url”:“https://a.nel.cloudflare.com/report/v4?s=drJb68SMyiij4grZCVZEvUmkalBOm6OXAXzWedoOmc65NkcrSm9CvtRAtRokSAHR0qdl8CbvOUN4NfQEHPJsC4U5KhVrXFA2hqXaQSm7jhT8BALtgw0xxWzPshavKCrBHcOCMpk7”}],“group”:“cf-nel”,“max_age”:604800}

< nel: {“success_fraction”:0,“report_to”:“cf-nel”,“max_age”:604800}

nel: {“success_fraction”:0,“report_to”:“cf-nel”,“max_age”:604800}

< server: cloudflare

server: cloudflare

< cf-ray: 879e64b5ca395bad-VIE

cf-ray: 879e64b5ca395bad-VIE

< alt-svc: h3=“:443”; ma=86400

alt-svc: h3=“:443”; ma=86400

Connection #1 to host “my.domain” left intact
Maximum (50) redirects followed
curl: (47) Maximum (50) redirects followed

Check your SSL/TLS setting is set to “Full (strict)” here…

If that doesn’t help, what is your domain name?

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Oddly enough, the ssl/tls setup was indeed in Flexible mode. After switching to Full, all functionality was restored

Thank you for your help

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