Operation Manual

181
Firewall Commands
E-DOC-CTC-20040210-0030 v1.0
RELATED COMMANDS:
icmptype The expected [or NOT expected] ICMP type (name or number) of
the packet.
Select one of the supported ICMP type names (See “ Supported
ICMP Type Names” on page 415 for a listing of ICMP type names
supported by the SpeedTouch™).
Alternatively, specify the protocol number.
OPTIONAL
icmpcode A number between 0 and 15.
Represents the expected [or NOT expected] ICMP code (or
beginning of range) of the packet as specified in the latest version of
RFC1700: Assigned numbers.
OPTIONAL
icmpcodeend A number between 0 and 15.
Represents the ICMP code range end.
Only applicable for ranges.
OPTIONAL
clink The name of the chain to be parsed when this rule applies (action is
ignored).
OPTIONAL
log Logging is done when this rule applies. OPTIONAL
action Action to be taken when this rule applies.
Choose between:
• accept:
the packet may pass.
• deny:
ICMP error destination unreachable. An error message is sent
back to the sender.
• drop:
packet disappears. It is silently dropped, i.e. without sending an
error message to the sender.
• count:
update of statistics. Has no influence on the packet.
REQUIRED
firewall rule clear Clear statistics for a given rule.
firewall rule delete Delete a specified rule in a chain.
firewall rule flush Delete all rules in a chain.
firewall rule list Show a list of all (or a specified) chains' rules.
firewall rule stats Show statistics for all (or a specified) chains' rules.