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Ubuntu – Couldn't connect to server when using Elasticsearch

When using Localhost it's working fine root@ip-172-16-0-102:/home/ubuntu# curl localhost:9200 { "name" : "ip-172-16-0-102", "cluster_name" : "elasticsearch", "cluster_uuid" : "xXGFhvjvR_qbJK_oC0YPSg", "version" : { "number" : "8.13.4", "build_flavor" : "default", "build_type" : "deb", "build_hash" : "da95df118650b55a500dcc181889ac35c6d8da7c", "build_date" : "2024-05-06T22:04:45.107454559Z", "build_snapshot" : false,…

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PHP Get IPv4 Address

I have trouble getting IPv4 Address, as IPv6 seems automatically preferred. However, this is very difficult, as my IP Whitelist system uses solely IPv4. I am using following code to get the IP of the client: $client_ip = $_SERVER['HTTP_X_FORWARDED_FOR']; And…

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