def add_ether_type_term(self, ff, ether_type_match):
if not ether_type_match:
return None
term = Term()
from_ = From()
term.set_from(from_)
term.set_name("ether-type")
from_.set_ether_type(ether_type_match.lower())
term.set_then(Then(accept_or_reject=True))
ff.add_terms(term)
def add_dns_dhcp_terms(self, ff):
port_list = [67, 68, 53]
term = Term()
term.set_name("allow-dns-dhcp")
from_ = From()
from_.set_ip_protocol("udp")
term.set_from(from_)
for port in port_list:
from_.add_source_ports(str(port))
term.set_then(Then(accept_or_reject=True))
ff.add_terms(term)
def add_filter_term(self, ff, name):
term = Term()
term.set_name(name)
ff.add_terms(term)
term.set_then(Then(accept_or_reject=True))
return term