APSEND v1.60 is a TCP/IP packet sender to test firewalls and other network applications. Includes a syn flood option, land DoS attack, dos attack against tcpdump 3.4, and spoofing. You can also choose many other options, ie TTL, ToS, sequence number, ack number, urgent pointer, SYN/PUSH/ACK/RST/URG/FIN flag, window size, and number of packets to send.
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