In case you're trying to open the RFC links on the site, the IETF site no longer supports http and does not redirect to https, hence you see a 404 error. You ca

In case you're trying to open the RFC links on the site, the IETF site no longer supports http and does not redirect to https, hence you see a 404 error. You can manually open https versions of the urls to visit them JSON Patch - https://datatracker.ietf.org/doc/html/rfc6902 https://datatracker.ietf.org/doc/html/rfc6902 JSON Pointer - https://datatracker.ietf.org/doc/html/rfc6901 https://datatracker.ietf.org/doc/html/rfc6901 Tried PR'ing to fix site, but repo didn't seem active