7-24
User
Guide

for

the

Cisco

Application

Networking

Manager

5.2
OL-26572-01
Chapter
7






Configuring

Virtual

Servers
Configuring
Virtual

Servers
Header
Name
and

value

in

an

HTTP

header

are

used

for

application

inspection

decisions.
a.
In
the

Header

field,
choose

one

of

the

predefined

HTTP

headers

to

match,
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
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.

Header
expressions
al

low

spaces,

pr

ovided

that

the

spaces

ar

e

escaped

or

qu

oted.

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

used

for

application

inspection

decisions.
a.
In
the
Header
Length

Type

field,

specify

whether

HTTP

header

request
or
response

messages
are
to

be

used

for


application

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

field.

–

Greater

Than—The

header

length

must

be

greater

than

the

number

in

the

Header

Length
Value
field.

–

Less

Than—The

header

length

must

be

less

than

the

number

in

the

Header

Length

Value
fi
el

d.

–

Range—The

header

length

must

be

within

the

range

specified

in

the

Header

Length

Lower
Value
field

and

the

Header

Length

Higher

Value

field.
c.
Enter
values
to
apply

for

header

length

comparison:

–

If

you

chose

Equal

To,

Greater

Than,

or

Le

ss

Than

i

n

the

Header

Length

Operator

field,
the
Header

Length

Value

field

appears.

In

the

Header

Length

Value

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
and
the

Header

Length

Higher

Value

fields

appear:
1.
In

the

Header

Length

Lower

Value

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

field.
2.
In

t

he

Header

Length

Higher

Value

field,

enter

the

hi

ghest

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
t

han

the

number

entered

i

n

the

Header

Length

Lower

Value

field.
Header
MIME

Type
Multipurpose
Internet

Mail

Extension

(MIME)

message

types

are

used

for

application

inspection
decisions.
In
the

Header

MIME

Type

field,

choose

the

MI

ME

message

t

ype

to

use

for


this

match

condition.
Table
7-8
HTTP
and

HTTPS

Protocol

Inspection

Conditions

and

Options

(continued)
Condition
Description