Cisco Ethernet switch Manuale Utente Pagina 69

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© 2002, Cisco Systems, Inc. All rights reserved.
l2-security-bh.ppt
DHCP Starvation Attacks
¥ Anyplace where macof works, you can DoS a
network by requesting all of the available DHCP
addresses
¥ With or without the DoS, an attacker could use a
rogue DHCP server to provide addresses to clients
¥ Since DHCP responses include DNS servers and
default gateway entries, guess where the attacker
would point these unsuspecting users? JJ
JJ
¥ All the MITM attacks are now possible
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