Administrator’s Handbook
156
The default is
on
.
set security spi ip4 private-addr-drop [ off | on ]
Drops packets sourced or destined for private IPv4 addresses. The default is
off
.
set security spi flood-limit enable [ on | off ]
Enables or disables whether packet flooding should be detected and offending packets be dropped. Default is
on
.
set security spi flood-limit limit
pps_value
Sets a maximum Packets Per Second (PPS) value for packet flood criterion. Defaults to
4
.
set security spi flood-limit burst-limit
max_value
Sets a maximum value in a packet-burst for packet flood criterion. Defaults to
8
.
set security spi flood-limit icmp enable [ on | off ]
Enables or disables whether ICMP packet flooding should be detected and offending packets be dropped.
Defaults to
on
.
set security spi flood-limit udp enable [ off | on ]
Enables or disables whether UDP packet flooding should be detected and offending packets be dropped.
Defaults to
off
.
set security spi flood-limit tcp enable [ off | on ]
Enables or disables whether TCP packet flooding should be detected and offending packets be dropped.
Defaults to
off
.
set security spi flood-limit tcp syn-cookie [ on | off ]
Allows TCP SYN cookies flooding to be excluded. Defaults to
on
.
Reflexive ACL
set security spi ip6 allow-inbound [ on | off ]
Turns reflexive ACL on or off for IPv6.
Reflexive Access Control Lists (ACL) provide that layer 4 Session information is used to make decisions about
what packets to route. Reflexive ACL reduces exposure to spoofing and denial-of-service attacks, because
desired inbound packet flows are usually in response to outbound traffic.
224.0.0.0/4
Source / destination
224.0.0.0/5
Source / destination
0.0.0.0/8
Source / destination
255.255.255.255
destination
IP address/mask
Source or destination
Summary of Contents for NVG595
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