ネットワーク¶
Contents:
Contents
DNS系のオペレーション¶
http://sourceforge.net/projects/pydns/ から、 sudo easy_install pydns
>>> import DNS
>>> Dns.defaults
{'rd': 1, 'protocol': 'udp', 'timeout': 30, 'timing': 1, 'opcode': 0, 'server_rotate': 0, 'qtype': 1, 'port': 53, 'server': []}
>>> Req = DNS.Request(qtype="A", server="8.8.8.8")
>>> Res = req.req(name="www.google.com")
>>> res.show()
(digの出力)
;; ANSWERS:
www.google.com 86399 CNAME www.l.google.com
www.l.google.com 299 A 74.125.235.81
www.l.google.com 299 A 74.125.235.84
www.l.google.com 299 A 74.125.235.80
www.l.google.com 299 A 74.125.235.83
www.l.google.com 299 A 74.125.235.82
>>> res.header
{'aa': 0, 'status': 'NOERROR', 'qr': 1, 'nscount': 0, 'opcodestr': 'QUERY', 'qdcount': 1, 'tc': 0, 'rd': 1, 'arcount': 0, 'opcode': 0, 'ra': 1, 'z': 0, 'rcode': 0, 'id': 62156, 'ancount': 6}
>>> res.answers
[{'name': 'www.google.com', 'data': 'www.l.google.com', 'typename': 'CNAME', 'classstr': 'IN', 'ttl': 86399, 'type': 5, 'class': 1, 'rdlength': 8}, {'name': 'www.l.google.com', 'data': '74.125.235.81', 'typename': 'A', 'classstr': 'IN', 'ttl': 299, 'type': 1, 'class': 1, 'rdlength': 4}, {'name': 'www.l.google.com', 'data': '74.125.235.84', 'typename': 'A', 'classstr': 'IN', 'ttl': 299, 'type': 1, 'class': 1, 'rdlength': 4}, {'name': 'www.l.google.com', 'data': '74.125.235.80', 'typename': 'A', 'classstr': 'IN', 'ttl': 299, 'type': 1, 'class': 1, 'rdlength': 4}, {'name': 'www.l.google.com', 'data': '74.125.235.83', 'typename': 'A', 'classstr': 'IN', 'ttl': 299, 'type': 1, 'class': 1, 'rdlength': 4}, {'name': 'www.l.google.com', 'data': '74.125.235.82', 'typename': 'A', 'classstr': 'IN', 'ttl': 299, 'type': 1, 'class': 1, 'rdlength': 4}]
GeoIP¶
http://www.maxmind.com/app/python より
sudo easy_install pygeoip
wget http://www.maxmind.com/download/geoip/database/GeoLiteCity.dat.gz
wget http://www.maxmind.com/download/geoip/database/asnum/GeoIPASNum.dat.gz
sudo easy_install pygeoip
>>> import pygeoip
>>> gi = pygeoip.GeoIP('/Users/kanai/usr/GeoLiteCity.dat')
>>> gi.country_code_by_addr('8.8.8.8')
'US'
>>> gi.country_name_by_addr('8.8.8.8')
'United States'
>>> gi = pygeoip.GeoIP('/Users/kanai/usr/GeoIPASNum.dat')
>>> gi.org_by_addr('203.178.143.70')
u'AS2500 WIDE Project'