SonicWALL Internet Security: SonicALERT

ICMP All Categories

	ICMP echo (ping) is allowed from arbitrary hosts.
	IP traceroute is allowed from arbitrary hosts.
	Oversized ICMP ping packets can result in a denial of service, aka Ping o' Death.
	DHCP clients with ICMP Router Discovery Protocol (IRDP) enabled allow remote attackers to modify their default routes.
	ICMP redirect messages may crash or lock up a host.
	PING *NIX
	PING
	Address Mask Reply
	Address Mask Reply (Undefined Code!)
	Address Mask Request
	Address Mask Request (Undefined Code!)
	Alternate Host Address
	Alternate Host Address (Undefined Code!)
	Datagram Conversion Error
	Datagram Conversion Error (Undefined Code!)
	Destination Unreachable (Destination Host Unknown)
	Destination Unreachable (Destination Network Unknown)
	Destination Unreachable (Fragmentation Needed and DF bit was set)
	Destination Unreachable (Host Precedence Violation)
	Destination Unreachable (Host Unreachable for Type of Service)
	Destination Unreachable (Host Unreachable)
	Destination Unreachable (Network Unreachable for Type of Service)
	Destination Unreachable (Network Unreachable)
	Destination Unreachable (Port Unreachable)
	Destination Unreachable (Precedence Cutoff in effect)
	Destination Unreachable (Protocol Unreachable)
	Destination Unreachable (Source Host Isolated)
	Destination Unreachable (Source Route Failed)
	Destination Unreachable (Undefined Code!)
	Echo Reply
	Echo Reply (Undefined Code!)
	Fragment Reassembly Time Exceeded
	IPV6 I-Am-Here
	IPV6 I-Am-Here (Undefined Code!
	IPV6 Where-Are-You
	IPV6 Where-Are-You (Undefined Code!)
	Information Reply
	Information Reply (Undefined Code!)
	Information Request
	Information Request (Undefined Code!)
	Mobile Host Redirect
	Mobile Host Redirect (Undefined Code!)
	Mobile Registration Reply
	Mobile Registration Reply (Undefined Code!)
	Mobile Registration Request
	Mobile Registration Request (Undefined Code!
	Parameter Problem (Bad Length)
	Parameter Problem (Missing a Required Option)
	Parameter Problem (Unspecified Error)
	Parameter Problem (Undefined Code!)
	Photuris (Reserved)
	Photuris (Unknown Security Parameters Index)
	Photuris (Valid Security Parameters, But Authentication Failed)
	Photuris (Valid Security Parameters, But Decryption Failed)
	Photuris (Undefined Code!)
	Redirect (for TOS and Host)
	Redirect (for TOS and Network)
	Redirect (Undefined Code!)
	Reserved for Security (Type 19)
	Reserved for Security (Type 19) (Undefined Code!)
	SKIP
	SKIP (Undefined Code!
	Source Quench (Undefined Code!)
	Time-To-Live Exceeded in Transit
	Time-To-Live Exceeded in Transit (Undefined Code!)
	Timestamp Reply
	Timestamp Reply (Undefined Code!)
	Timestamp Request
	Timestamp Request (Undefined Code!)
	Traceroute
	Traceroute (Undefined Code!)
	Unassigned! (Type 1)
	Unassigned! (Type 1) (Undefined Code)
	Unassigned! (Type 2)
	Unassigned! (Type 2) (Undefined Code)
	Unassigned! (Type 7)
	Unassigned! (Type 7) (Undefined Code!)
	PING (Undefined Code!)
	superscan echo
	Source Quench
	Broadscan Smurf Scanner
	PING speedera
	PING Sniffer Pro/NetXRay network scan
	Destination Unreachable (Communication Administratively Prohibited)
	Destination Unreachable (Communication with Destination Host is Administratively Prohibited)
	Destination Unreachable (Communication with Destination Network is Administratively Prohibited)
	digital island bandwidth query

IPS Alert Level

Low

Medium

High


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