Posted in php
477
11:26 pm, July 29, 2021

simple php ip blocker

just to quickly block annoying ip addresses using an array and $_SERVER['REMOTE_ADDR']

so i woke up this morning to find 200 comments from this spam ip, here is a simple script that will block that ip and additional ones just add them to the array. 

PHP

// simple ip block
$ip_block = array(
  "88.218.65.69",
);

foreach ($ip_block as $ip_block_val) {
  if($_SERVER['REMOTE_ADDR'] == $ip_block_val) {
    echo "no spam thx";
    return false;
  }
}

// delete the existing comments from this ip address -- select 1st to check
SELECT * FROM "comments" WHERE user_ip = "88.218.65.69"
// then delete
DELETE FROM "comments" WHERE user_ip = "88.218.65.69"

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