Cisco Cisco Email Security Appliance C160 Mode D'Emploi

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Chapter 5      Using Message Filters to Enforce Email Policies
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Cisco IronPort AsyncOS 7.1 for Email Advanced Configuration Guide
OL-22164-02
Note
You must issue the 
commit
 command for filters to take effect. 
Three types of parameters are:
Table 5-10
Filter Management Parameters
seqnum
An integer representing a filter based on its position in the list of 
filters. A seqnum of 
2
 represents the second filter in the list, for 
example.
filtname
The colloquial name of a filter. 
range
A range may be used to represent more than one filter, and appears in 
the form of X
-
Y, where X and Y are the first and last seqnums that 
identify the extent. For example, 
2-4
 represents filters in the second, 
third, and fourth positions. Either X or Y may be left off to represent 
an open-ended list. For example, 
-4
 represents the first four filters, and 
2-
 represents all filters except the first. You can also use the keyword 
all
 to represents all the filters in the filter list.
Creating a New Message Filter
new [seqnum|filtname|last]
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 filtnameseqnum, 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 (
.
) 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.