Snort rules related to HTTP ports

snort-rules.py

import requests

rule_count = 0
http_rule_count = 0

r = requests.get("http://rules.emergingthreats.net/open-nogpl/snort-edge/rules/emerging-trojan.rules")
for line in r.text.split("\n"):
    if line.strip() == "#":
        rule_count += 1
    elif "$HTTP_PORTS" in line:
        http_rule_count += 1
print "{0} rules total, {1} related to HTTP ports".format(rule_count, http_rule_count)

# 2059 rules total, 1520 related to HTTP ports