There was error checking update site :Socket Exception : Connection reset in Jenkins plugin

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Hi Team,

While updating the plugins, getting below error
there was error checking update site :Socket Exception : Connection reset in Jenkins plugin

Update url : https://updates.jenkins.io/update-center.json

curl https://updates.jenkins.io/update-center.json

301 Moved Permanently

Moved Permanently

The document has moved here.

curl https://updates.jenkins.io/update-center.json 301 Moved Permanently

Moved Permanently

The document has moved here.

Even tried with https://updates.jenkins.io/current/update-center.json, still having same issue

2 months back it was working fine.