Cisco Cisco Email Security Appliance C170 Guia Do Utilizador
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User Guide for AsyncOS 10.0 for Cisco Email Security Appliances
Chapter 9 Using Message Filters to Enforce Email Policies
Using the CLI to Manage Message Filters
Specifies the position at which to insert the new filter(s). If omitted, or given the keyword
last
, the filters
entered in are appended to the list of filters. No gaps in the sequence numbers are allowed; you are not
allowed to enter a seqnum outside the boundaries of the current list. If you enter an unknown filtname,
you are prompted to enter a valid filtname, seqnum, or
allowed to enter a seqnum outside the boundaries of the current list. If you enter an unknown filtname,
you are prompted to enter a valid filtname, seqnum, or
last
.
After a filter has been entered, you may manually enter the filter script. When you are finished typing,
end the entry by typing a period (
end the entry by typing a period (
.
) on a line by itself.
The following conditions can cause errors:
•
Sequence number beyond the current range of sequence numbers.
•
Filter with a non-unique filtname.
•
Filter with a filtname that is a reserved word.
•
Filter with a syntax error.
•
Filter with actions referring to non-existent system resources such as interfaces.
Deleting a Message Filter
delete [seqnum|filtname|range]
Deletes the filter(s) identified.
The following conditions can cause errors:
•
No filter with a given filter name.
•
No filter with a given sequence number.
Moving a Message Filter
move [seqnum|filtname|range seqnum|last]
Moves the filters identified by the first parameter to the position identified by the second parameter. If
the second parameter is the keyword
the second parameter is the keyword
last
, the filters are moved to the end of the list of filters. If more
than one filter is being moved, their ordering remains the same in relation to one another.
The following conditions can cause errors:
•
No filter with a given filter name.
•
No filter with a given sequence number.
•
Sequence number beyond the current range of sequence numbers.
•
Movement would result in no change of sequence.
Activating and Deactivating a Message Filter
A given message filter is either active or inactive and it is also either valid or invalid. A message filter
is only used for processing if it is both active and valid. You change an existing filter from active to
inactive (and back again) using the CLI. A filter is invalid if it refers to a listener or interface which does
not exist (or has been removed).
is only used for processing if it is both active and valid. You change an existing filter from active to
inactive (and back again) using the CLI. A filter is invalid if it refers to a listener or interface which does
not exist (or has been removed).