14-54
User
Guide

for

the

Cisco

Application

Networking

Manager

5.2
OL-26572-01
Chapter
14






Configuring

Traffic

Policies
Configuring
Rules

and

Actions

for

Policy

Maps
Header
Name
and

value

in

an

HTTP

header

that

are

used

for

protocol

inspection

decisions.
Do
the

following:
a.
In
the

Header

field,
choose

one

of

the

predefined

HTTP

headers

to

be

matched,

or

choose
HTTP
Header

to

specify

a

different

HTTP

header.
b.
If
you

chose

HTTP

Header,

in

the

Header

Name

field,

enter

the

name

of

the

HTTP

header

to
match.
Valid

entries

are

unquoted

text

strings

with

no

spaces

and

a

maximum

of

64
alphanumeric
characters.
c.
In
the
Header
Value
(Bytes)
field,

enter

the

header

value

expression

string
to
compare
against
the
value

in

the

specified

field

in

the

HTTP

header.

Valid

entries

are

text

strings

with

a
maximum
of

255

alphanumeric

characters.

The

ACE

supports

regular

expressions

for
matching.
To

include

spaces

i

n

the

string,

enclose

the

ent

ire

st

ring

i

n

quotes.

All

headers

in
the
header

map

must

be

matched.

See

Ta

b

l

e


14-33

for

a

list

of

the

supported

characters

that
you
can

use

in

regular

expressions.
Header
Length
Length
of


the

header

in

the

HTTP

message

that

is

used

for


protocol

inspection

decisions.
Do
the

following:
a.
In
the

Header

Length
Type
field,

specify
whether

or

not


HTTP

header

request
or
response
messages
are

to

be

used

for

protocol

inspection

decisions:

–

Request—HTTP

header

request

messages

are

to

be

checked

for

header

length.

–

Response—HTTP

header

response

messages

are

to

be

checked

for

header

length.
b.
In
the

Header
Length
Operator

field,
choose
the

operand

to

be

used
to
compare

header

length:

–

Equal

To—The

header

length

must

equal

the

number

in

the

Header

Length

Value

(Bytes)
fi
el

d.

–

Greater

Than—The

header

length

must

be

greater

than

the

number

in

the

Header

Length
Value
(Bytes)

field.

–

Less

Than—The

header

length

must

be

less

than

the

number

in

the

Header

Length

Value
(Bytes)
field.

–

Range—The

header

length

must

be

within

the

range

specified

in

the

Header

Length
Lower
Value

(Bytes)

field

and

the

Header

Length

Higher

Value

(Bytes)

field.
c.
Enter
values
to
apply

for

header

length

comparison
as
follows:

–

If

you

chose

Equal

To,

Greater

Than,

or

Less

Than

in

the

Header

Length

Operator

field,
the
Header

Length

Value

(Bytes)

field

appears.

In

the

Header

Length

Value

(Bytes)

field,
enter
the

number

of

bytes

for

comparison.

Valid

entries

are

from

0

to

255.

–

If

you

chose

Range

in

the

Header

Length

Operator

field,

the

Header

Length

Lower

Value
(Bytes)
and

the

Header

Length

Higher

Value

(Byt

es)

fields

appear.


Do
the

following:
1.
In

the

Header

Length

Lower

Value

(Bytes)

field,

enter

the

lowest

number

of

bytes

to

be
used
for

this

match

condition.

Valid

entries

are

from

0

to

255.

The

number

in

this

field
must
be

less

than

the

number

entered

in

the

Header

Length

Higher

Value

(Bytes)

field.
2.
In

the

Header

Length

Higher

Value

(Bytes)

field,

enter

the

highest

number

of

bytes

to
be
used

for

this

match

condition.

Valid

entries

are

from

1

to

255.

The

number

in

this

field
must
be

greater

than

the

number

entered

in

the

Header

Length

Lower

Value

(Bytes)

field.
Table
14-22
Layer
7

HTTP

Deep

Packet

Inspection

Policy

Map

Match

Conditions

(continued)
Match
Condition
Description