I have to use proxy (node.js) to secure solr. I have followed this guide and perform following steps.
npm install solr-security-proxy
`npm bin`/solr-security-proxy --port 9090 --backendHost 127.0.0.1 --backendPort 8983
java -jar start.jar
solrProxy: access denied
Actually Node.js allow only read option from solr by supposing format of query prefix like
http://ip-of-system/solr/select/. In my case I was also giving solr collection name. By removing collection name, above problem was removed. query new format will be like