B-13
Cisco Intrusion Prevention System Sensor CLI Configuration Guide for IPS 7.2
OL-29168-01
Appendix B Signature Engines
AIC Engine
Tabl e B-6 lists the parameters that are specific to the AIC FTP engine.
For More Information
For the procedures for configuring AIC engine signatures, see Configuring AIC Signatures,
page 7-17.
For an example of a custom AIC signature, see Creating an AIC Signature, page 7-26.
request-methods Specifies an AIC signature that
allows actions to be associated with
HTTP request methods:
define-request-method—Specifie
s get, put, and so forth.
recognized-request-methods—Li
sts methods recognized by the
sensor.
transfer-encodings Specifies an AIC signature that
deals with transfer encodings:
define-transfer-encoding—Assoc
iates an action with each
method, such as compress,
chunked, and so forth.
recognized-transfer-encodings—
Lists methods recognized by
the sensor.
chunked-transfer-encoding—Err
or specifies actions to be taken
when a chunked encoding error
is seen.
TableB-5 AIC HTTP Engine Parameters (continued)
Parameter Description
TableB-6 AIC FTP Engine Parameters
Parameter Description Value
signature-type Specifies the type of
AIC signature.
ftp-commands
unrecognized-ftp-command
ftp-commands Associates an action
with an FTP command:
ftp-command—Lets
you choose the FTP
command you want
to inspect.
help, noop, stat, syst, user, abort,
acct, allo, appe, cdup, cwd, dele, list,
mkd, mode, nlst, pass, pasv, port,
pass, quit, rein, rest, retr, rmd, rnfr,
rnto, site, smnt, stor, stou, stru, type
unrecognized-ftp-command Inspects unrec ognized
FTP commands.