Matrix NAVAN CNX200 System Manual
269
CHAPTER 10
Configuring Firewall and
Security
Security Settings
Security risks arise as there may be intentional misuse of the computers in the network, by intruders via the Internet
(WAN) port. It becomes very important to take preventive action to secure the network from different kinds of
attacks.
The common security attacks are:
•
Intruders finding a way into the network
•
Exploiting software bugs, buffer overflows
•
Denial of Service attacks such as
:
•
Radio Signal Interference
•
AP Interference, example: steal MAC, steal IP
•
Channel Hogging
•
Disassociation Attacks
•
Flooding Packets
•
ARP Poising
•
RST Packets
•
Window Size Changes
•
UDP Flooding
•
ICMP Flooding
•
Ping of dead
•
BROADCAST Flooding
•
Masquerade Attacks
•
Land Attack
•
Smurf Attack
•
TCP hijacking
•
Packet sniffing
NAVAN provides you with different types of security, which help you to secure your network against the common
attacks such as:
•
Stateful Inspection for Firewall
: SPI (Stateful Packet Inspection) is a type of firewall that inspects the
incoming data packet and improves on the functions of packet filters by tracking the state of connections
and blocking packets that deviate from the expected state. It rejects the unidentified and potentially
harmful packets.
Summary of Contents for NAVAN CNX200
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Page 900: ...890 Matrix NAVAN CNX200 System Manual Pick up the handset Dial 1070 Replace handset ...
Page 912: ...902 Matrix NAVAN CNX200 System Manual Exit System Administrator mode ...
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Page 994: ...984 Matrix NAVAN CNX200 System Manual You may log out of Jeeves ...
Page 1072: ...1062 Matrix NAVAN CNX200 System Manual To Retrieve Message Wait Pick up the handset Dial 1077 ...
Page 1086: ...1076 Matrix NAVAN CNX200 System Manual To resume outgoing speech Press Flash Key Dial 1052 ...
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Page 1308: ...1298 Matrix NAVAN CNX200 System Manual The End IP Address ...
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Page 1356: ...1346 Matrix NAVAN CNX200 System Manual NAVAN Features tested on IP Phones of different Brands ...
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