After Login have Unknown Error (code: http_request_failed)

Many thanks for reaching out and sharing the troubleshooting steps you’ve undertaken, hopefully we can determine the cause. So we can understand your setup better please share your Site Health information privately using this form. Please include your hosting provider in the form.

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submit form already.

And try incognito window too.

Problem still here. and already confirm owner in Google.

Many thanks for sharing. It looks like it may be a server configuration causing this issue, I don’t see anything unusual with the information provided. The plugin needs to be able to connect to https://sitekit.withgoogle.com

If you’re comfortable making cURL commands you can use the below on your self hosted server:
curl -I https://sitekit.withgoogle.com

Another user was able to proceed by making changes to their Firewall setup.

Let me know how you get on after after checking the above.

curl -I https://sitekit.withgoogle.com
HTTP/2 200
content-type: text/html; charset=utf-8
vary: Accept-Encoding
x-cloud-trace-context: 2ce2b70bd38a6c3e7bef239181cd0d5d
date: Tue, 01 Dec 2020 14:51:18 GMT
server: Google Frontend
alt-svc: h3-29=”:443″; ma=2592000,h3-T051=”:443″; ma=2592000,h3-Q050=”:443″; ma=2592000,h3-Q046=”:443″; ma=2592000,h3-Q043=”:443″; ma=2592000,quic=”:443″; ma=2592000; v=”46,43″

and i try stop the firewalld still cannot

problem seems solved.

when I dig sitekit.withgoogle.com :

; <<>> DiG 9.11.13-RedHat-9.11.13-6.el8_2.1 <<>> sitekit.withgoogle.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 38344
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;sitekit.withgoogle.com. IN A

;; ANSWER SECTION:
sitekit.withgoogle.com. 299 IN A 142.250.199.81

;; Query time: 44 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Tue Dec 01 23:04:55 HKT 2020
;; MSG SIZE rcvd: 67

IP is 142.250.199.81, and i try to add
172.217.4.177 sitekit.withgoogle.com
to the /etc/hosts, problem seems solved.

Thanks for your help.

Great to hear it, many thanks for providing an update and the solution that worked for you. Hopefully this also assists other users. Be sure to share your thoughts on the plugin once you get a chance to test out the various dashboards.