57 def UDP(version, srcaddr, dstaddr, sport=0):  argument
60   if sport == 0:
61     sport = _RandomPort()
64           scapy.UDP(sport=sport, dport=53) / UDP_PAYLOAD)
66 def UDPWithOptions(version, srcaddr, dstaddr, sport=0, lifetime=39):  argument
69               scapy.UDP(sport=sport, dport=53) /
74               scapy.UDP(sport=sport, dport=53) /
78 def SYN(dport, version, srcaddr, dstaddr, sport=0, seq=-1):  argument
80   if sport == 0:
81     sport = _RandomPort()
86           scapy.TCP(sport=sport, dport=dport,
96           scapy.TCP(sport=original.dport, dport=original.sport,
106           scapy.TCP(sport=original.dport, dport=original.sport,
119           scapy.TCP(sport=original.dport, dport=original.sport,
131           scapy.TCP(sport=original.dport, dport=original.sport,