SROS Command Line Interface Reference Guide Global Configuration Mode Command Set

Invalid Traffic Pattern

Manually

OS Firewall Response

Common

 

Enabled?

 

Attacks

 

 

 

 

 

 

 

 

Attacks that send TCP URG

Yes

Any TCP packets that have the URG flag set

Winnuke, TCP

packets

 

are discarded by the firewall.

XMAS Scan

 

 

 

 

Falsified IP Header Attacks

No

The firewall verifies that the packet’s actual

Jolt/Jolt2

 

 

length matches the length indicated in the IP

 

 

 

header. If it does not, the packet is dropped.

 

 

 

 

 

Echo

No

All UDP echo packets are discarded by the

Char Gen

 

 

firewall.

 

 

 

 

 

Land Attack

No

Any packets with the same source and

Land Attack

 

 

destination IP addresses are discarded.

 

 

 

 

 

Broadcast Source IP

No

Packets with a broadcast source IP address

 

 

 

are discarded.

 

 

 

 

 

Invalid TCP Initiation Requests

No

TCP SYN packets that have ack, urg rst, or

 

 

 

fin flags set are discarded.

 

 

 

 

 

Invalid TCP Segment Number

No

The sequence numbers for every active TCP

 

 

 

session are maintained in the firewall

 

 

 

session database. If the firewall received a

 

 

 

segment with an unexpected (or invalid)

 

 

 

sequence number, the packet is dropped.

 

 

 

 

 

IP Source Route Option

No

All IP packets containing the IP source route

 

 

 

option are dropped.

 

 

 

 

 

5991-2114

© Copyright 2005 Hewlett-Packard Development Company, L.P.

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HP 7000 dl Router manual Attacks that send TCP URG Yes