There were errors checking the update sites

Hi,
I have the following problem:
every time I open the Jenkins plugin page I get the following error:
There were errors checking the update sites: IOException: Server returned HTTP response code: 503 for URL:
http://jenkins-updates.cloudbees.com/update-center/devoptics/update-center.json?id=devoptics&version=2.424.2

It seems to be a problem related to linking in http instead of https

Going to Dashboard → Manage Jenkins → Plugins → Update Site.
I find the URL configured correctly in https (https://updates.jenkins.io/update-center.json)
However in other sites I find:
http://jenkins-updates.cloudbees.com/update-center/devoptics/update-center.json


j1

How do I change this value that is not editable?
Where do you get it from?

Can you help me?

Thanks in advance

Jenkins setup
Jenkins: 2.414.2
OS: Linux - 3.10.0-1160.92.1.el7.x86_64
Java: 11.0.19 - Red Hat, Inc. (OpenJDK 64-Bit Server VM)
---
Office-365-Connector:4.20.0
allure-jenkins-plugin:2.30.3
amazon-ecs:1.48
ansible:253.v4fe719ffdd8a_
ansicolor:1.0.4
ant:497.v94e7d9fffa_b_9
antisamy-markup-formatter:162.v0e6ec0fcfcf6
apache-httpcomponents-client-4-api:4.5.14-208.v438351942757
atlassian-bitbucket-server-integration:4.0.0
authentication-tokens:1.53.v1c90fd9191a_b_
authorize-project:1.7.1
aws-credentials:218.v1b_e9466ec5da_
aws-java-sdk:1.12.529-406.vdeff15e5817d
aws-java-sdk-cloudformation:1.12.529-406.vdeff15e5817d
aws-java-sdk-codebuild:1.12.529-406.vdeff15e5817d
aws-java-sdk-ec2:1.12.529-406.vdeff15e5817d
aws-java-sdk-ecr:1.12.529-406.vdeff15e5817d
aws-java-sdk-ecs:1.12.529-406.vdeff15e5817d
aws-java-sdk-efs:1.12.529-406.vdeff15e5817d
aws-java-sdk-elasticbeanstalk:1.12.529-406.vdeff15e5817d
aws-java-sdk-iam:1.12.529-406.vdeff15e5817d
aws-java-sdk-kinesis:1.12.529-406.vdeff15e5817d
aws-java-sdk-logs:1.12.529-406.vdeff15e5817d
aws-java-sdk-minimal:1.12.529-406.vdeff15e5817d
aws-java-sdk-secretsmanager:1.12.529-406.vdeff15e5817d
aws-java-sdk-sns:1.12.529-406.vdeff15e5817d
aws-java-sdk-sqs:1.12.529-406.vdeff15e5817d
aws-java-sdk-ssm:1.12.529-406.vdeff15e5817d
badge:1.9.1
basic-branch-build-strategies:81.v05e333931c7d
bitbucket:223.vd12f2bca5430
blueocean:1.27.7
blueocean-autofavorite:1.2.5
blueocean-bitbucket-pipeline:1.27.7
blueocean-commons:1.27.7
blueocean-config:1.27.7
blueocean-core-js:1.27.7
blueocean-dashboard:1.27.7
blueocean-display-url:2.4.2
blueocean-events:1.27.7
blueocean-git-pipeline:1.27.7
blueocean-github-pipeline:1.27.7
blueocean-i18n:1.27.7
blueocean-jira:1.27.7
blueocean-jwt:1.27.7
blueocean-personalization:1.27.7
blueocean-pipeline-api-impl:1.27.7
blueocean-pipeline-editor:1.27.7
blueocean-pipeline-scm-api:1.27.7
blueocean-rest:1.27.7
blueocean-rest-impl:1.27.7
blueocean-web:1.27.7
bootstrap5-api:5.3.2-1
bouncycastle-api:2.29
branch-api:2.1128.v717130d4f816
build-monitor-plugin:1.14-745.ve2023a_305f40
build-timeout:1.31
build-user-vars-plugin:1.9
caffeine-api:3.1.8-133.v17b_1ff2e0599
checks-api:2.0.2
chucknorris:159.vdfe649cb_9c37
cloudbees-bitbucket-branch-source:845.v27a_d5823911b_
cloudbees-devoptics-enabler:0.4
cloudbees-folder:6.848.ve3b_fd7839a_81
command-launcher:107.v773860566e2e
commons-httpclient3-api:3.1-3
commons-lang3-api:3.13.0-62.v7d18e55f51e2
commons-text-api:1.10.0-78.v3e7b_ea_d5a_fe1
copyartifact:722.v0662a_9b_e22a_c
credentials:1271.v54b_1c2c6388a_
credentials-binding:636.v55f1275c7b_27
data-tables-api:1.13.6-4
devoptics:1.1863
discard-old-build:1.07
disk-usage:1.2
display-url-api:2.3.9
docker-commons:439.va_3cb_0a_6a_fb_29
docker-workflow:572.v950f58993843
dtkit-api:3.0.2
durable-task:523.va_a_22cf15d5e0
echarts-api:5.4.0-6
email-ext:2.102
envinject:2.908.v66a_774b_31d93
envinject-api:1.199.v3ce31253ed13
favorite:2.4.3
font-awesome-api:6.4.2-1
gatling:1.3.0
generic-webhook-trigger:1.87.0
git:5.2.0
git-client:4.5.0
git-server:99.va_0826a_b_cdfa_d
github:1.37.3
github-api:1.316-451.v15738eef3414
github-branch-source:1741.va_3028eb_9fd21
google-chat-notification:1.7.1
gradle:2.8.2
handy-uri-templates-2-api:2.1.8-22.v77d5b_75e6953
htmlpublisher:1.32
instance-identity:173.va_37c494ec4e5
ionicons-api:56.v1b_1c8c49374e
jackson2-api:2.15.2-350.v0c2f3f8fc595
jakarta-activation-api:2.0.1-3
jakarta-mail-api:2.0.1-3
javadoc:243.vb_b_503b_b_45537
javax-activation-api:1.2.0-6
javax-mail-api:1.6.2-9
jaxb:2.3.8-1
jdk-tool:73.vddf737284550
jenkins-design-language:1.27.7
jersey2-api:2.40-1
jira:3.11
jjwt-api:0.11.5-77.v646c772fddb_0
jnr-posix-api:3.1.18-1
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jquery3-api:3.7.1-1
jsch:0.2.8-65.v052c39de79b_2
junit:1240.vf9529b_881428
ldap:701.vf8619de9160a_
lockable-resources:1185.v0c528656ce04
mail-watcher-plugin:1.17
mailer:463.vedf8358e006b_
mapdb-api:1.0.9-28.vf251ce40855d
matrix-auth:2.6.7
matrix-project:808.v5a_b_5f56d6966
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mercurial:1260.vdfb_723cdcc81
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mina-sshd-api-common:2.10.0-69.v28e3e36d18eb_
mina-sshd-api-core:2.10.0-69.v28e3e36d18eb_
monitoring:1.95.0
nunit:394.v65c09a_8408b_a_
octopusdeploy:4.0.0
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pipeline-stage-tags-metadata:2.2144.v077a_d1928a_40
pipeline-stage-view:2.33
pipeline-utility-steps:2.16.0
plain-credentials:143.v1b_df8b_d3b_e48
plugin-util-api:3.3.0
pubsub-light:1.17
remote-file:1.24
resource-disposer:0.23
s3:466.vf5b_3db_8e3eb_2
scm-api:676.v886669a_199a_a_
script-security:1275.v23895f409fb_d
slack:684.v833089650554
snakeyaml-api:2.2-111.vc6598e30cc65
sonar:2.15
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ssh-agent:333.v878b_53c89511
ssh-credentials:308.ve4497b_ccd8f4
ssh-slaves:1.834.v622da_57f702c
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sshd:3.312.v1c601b_c83b_0e
structs:325.vcb_307d2a_2782
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swarm:3.40
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timestamper:1.26
token-macro:384.vf35b_f26814ec
trilead-api:2.84.v72119de229b_7
variant:60.v7290fc0eb_b_cd
workflow-aggregator:596.v8c21c963d92d
workflow-api:1281.vca_5fddb_3fceb_
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workflow-job:1346.v180a_63f40267
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workflow-scm-step:415.v434365564324
workflow-step-api:639.v6eca_cd8c04a_a_
workflow-support:865.v43e78cc44e0d
ws-cleanup:0.45
xunit:3.1.3

Your Jenkins controller has the CloudBees DevOptics plugin installed. If you’re not using CloudBees DevOptics, you can remove the DevOptics plugin and the DevOptics enabler plugin. That should remove the checks for that update center.

Thanks @MarkEWaite: solved