#!/usr/bin/env python
import json
import sys
 
for rule in json.load(sys.stdin):
    print("iptables -I INPUT -s {ip}/{cidr} -p {protocol} "
          "-m {protocol} --dport {port} -j ACCEPT".format(**rule))

IyEvdXNyL2Jpbi9lbnYgcHl0aG9uCmltcG9ydCBqc29uCmltcG9ydCBzeXMKCmZvciBydWxlIGluIGpzb24ubG9hZChzeXMuc3RkaW4pOgogICAgcHJpbnQoImlwdGFibGVzIC1JIElOUFVUIC1zIHtpcH0ve2NpZHJ9IC1wIHtwcm90b2NvbH0gIgogICAgICAgICAgIi1tIHtwcm90b2NvbH0gLS1kcG9ydCB7cG9ydH0gLWogQUNDRVBUIi5mb3JtYXQoKipydWxlKSk=

WwogIHsKICAgICZxdW90O2lwJnF1b3Q7OiAmcXVvdDsxLjIuMy40JnF1b3Q7LAogICAgJnF1b3Q7Y2lkciZxdW90OzogMzIsCiAgICAmcXVvdDtwcm90b2NvbCZxdW90OzogJnF1b3Q7dGNwJnF1b3Q7LAogICAgJnF1b3Q7cG9ydCZxdW90OzogMzMwNgogIH0sCiAgewogICAgJnF1b3Q7aXAmcXVvdDs6ICZxdW90OzIuNC41LjYmcXVvdDssCiAgICAmcXVvdDtjaWRyJnF1b3Q7OiAzMiwKICAgICZxdW90O3Byb3RvY29sJnF1b3Q7OiAmcXVvdDt0Y3AmcXVvdDssCiAgICAmcXVvdDtwb3J0JnF1b3Q7OiA4MAogIH0sCiAgewogICAgJnF1b3Q7aXAmcXVvdDs6ICZxdW90OzUuNi43LjgmcXVvdDssCiAgICAmcXVvdDtjaWRyJnF1b3Q7OiAzMiwKICAgICZxdW90O3Byb3RvY29sJnF1b3Q7OiAmcXVvdDt0Y3AmcXVvdDssCiAgICAmcXVvdDtwb3J0JnF1b3Q7OiA0NDMKICB9LAogIHsKICAgICZxdW90O2lwJnF1b3Q7OiAmcXVvdDs2LjguMy4xJnF1b3Q7LAogICAgJnF1b3Q7Y2lkciZxdW90OzogMzIsCiAgICAmcXVvdDtwcm90b2NvbCZxdW90OzogJnF1b3Q7dGNwJnF1b3Q7LAogICAgJnF1b3Q7cG9ydCZxdW90OzogNTMKICB9Cl0K

[
  {
    "ip": "1.2.3.4",
    "cidr": 32,
    "protocol": "tcp",
    "port": 3306
  },
  {
    "ip": "2.4.5.6",
    "cidr": 32,
    "protocol": "tcp",
    "port": 80
  },
  {
    "ip": "5.6.7.8",
    "cidr": 32,
    "protocol": "tcp",
    "port": 443
  },
  {
    "ip": "6.8.3.1",
    "cidr": 32,
    "protocol": "tcp",
    "port": 53
  }
]