def del_standard(self):
""" Del rules that are there but should not be deleted
These standard firewall rules vary according to the device type
"""
type = CsCmdLine("cmdline").get_type()
try:
table = ''
for i in open("/etc/iptables/iptables-%s" % type):
if i.startswith('*'): # Table
table = i[1:].strip()
if i.startswith('-A'): # Rule
self.del_rule(table, i.strip())
except IOError:
# Nothing can be done
return
def get_cmdline_instance(cls):
if cls.cl is None:
cls.cl = CsCmdLine("cmdline")
return cls.cl