Re: L7 packet inspection

Kenneth Salchow <[email protected]> Wed, 27 Jan 2010 12:34:37 -0800
Newsgroups gmane.comp.programming.load-balancing.general
Message-ID <4B18A8F75A6384449755BC7784073E9360EEA4607A@exch11.olympus.f5net.com>
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Sorry for delayed response=97was having too much fun in Europe.  J

=20

Par usual, Ed, Tony and (increasingly) Surya have covered a lot of the =
bases
here=97what they didn=92t specifically call out, but intimated, is that =
you
really didn=92t specify *what* you want to do at L7.  That=92s a HUGE
determination in what you look for and who you but it from.  The =
products,
prices and capabilities range quite widely=97heck, even here at F5 we =
have
several different capabilities from the basic L7 capability in the ADC, =
to a
protocol enforcement product to a full-fledged application firewall.  =
Which
solution makes the most sense totally depends on what you want to do.

=20

Instead of just throwing out various products and vendors =
generically=97can
you narrow down your goals a little? =20

=20

Thanks,

=20


KJ (Ken) Salchow, Jr. | Manager, Technical Marketing


D 651.423.1133

M 612.868.1258

P 206.272.5555

F 206.272.5555

 <http://www.f5.com/> www.f5.com

=20

=20

From: [email protected] [mailto:[email protected]] On Behalf =
Of S.
Stef=E1n Sigur=F0sson
Sent: Friday, January 22, 2010 5:28 AM
To: [email protected]
Subject: [load balancing] L7 packet inspection

=20

Hi, my company wants to start doing packet L7 inspection on all traffic
going through the load balancer.

=20

Now my concern (cost aside) is how will I get the best performance =
possible,
ever ms counts.

=20

We are currently  using an Ace module to do our SLB and it has the =
option of
L7 inspect but will that perform any better than putting a good L7 =
firewall
in front of the ACE.

=20

We are still just in the concept stage of this plan so any advice or =
good
idea would be greatly appreciated..

=20

S. Stefan=20


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<p class=3DMsoNormal><span style=3D'color:#1F497D'>Sorry for delayed =
response&#8212;was
having too much fun in Europe.=A0 </span><span =
style=3D'font-family:Wingdings;
color:#1F497D'>J</span><span =
style=3D'color:#1F497D'><o:p></o:p></span></p>

<p class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=3DMsoNormal><span style=3D'color:#1F497D'>Par usual, Ed, Tony =
and
(increasingly) Surya have covered a lot of the bases here&#8212;what =
they didn&#8217;t
specifically call out, but intimated, is that you really didn&#8217;t =
specify *<b>what</b>*
you want to do at L7.=A0 That&#8217;s a HUGE determination in what you =
look for
and who you but it from.=A0 The products, prices and capabilities range =
quite
widely&#8212;heck, even here at F5 we have several different =
capabilities from
the basic L7 capability in the ADC, to a protocol enforcement product to =
a
full-fledged application firewall.=A0 Which solution makes the most =
sense totally
depends on what you want to do.<o:p></o:p></span></p>

<p class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=3DMsoNormal><span style=3D'color:#1F497D'>Instead of just =
throwing out
various products and vendors generically&#8212;can you narrow down your =
goals a
little?=A0 <o:p></o:p></span></p>

<p class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=3DMsoNormal><span =
style=3D'color:#1F497D'>Thanks,<o:p></o:p></span></p>

<p class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<div>

<table class=3DMsoNormalTable border=3D0 cellpadding=3D0 width=3D425 =
style=3D'width:318.75pt'>
 <tr>
  <td colspan=3D5 style=3D'padding:.75pt .75pt .75pt .75pt'>
  <p class=3DMsoNormal><b><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";
  color:#1F497D'>KJ (Ken) Salchow, Jr.</span></b><span =
style=3D'font-size:10.0pt;
  font-family:"Arial","sans-serif";color:#1F497D'> | Manager, Technical
  Marketing</span><span =
style=3D'font-size:12.0pt;color:#1F497D'><o:p></o:p></span></p>
  </td>
 </tr>
 <tr style=3D'height:9.0pt'>
  <td width=3D84 style=3D'width:63.0pt;padding:.75pt .75pt .75pt =
.75pt;height:9.0pt'>
  <p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
  line-height:9.0pt'><b><span =
style=3D'font-size:7.5pt;font-family:"Arial","sans-serif";
  color:#333333'>D 651.423.1133</span></b><span =
style=3D'font-size:12.0pt;
  font-family:"Times New =
Roman","serif";color:#1F497D'><o:p></o:p></span></p>
  </td>
  <td width=3D84 style=3D'width:63.0pt;padding:.75pt .75pt .75pt =
.75pt;height:9.0pt'>
  <p class=3DMsoNormal style=3D'line-height:9.0pt'><b><span =
style=3D'font-size:7.5pt;
  font-family:"Arial","sans-serif";color:#333333'>M =
612.868.1258</span></b><span
  style=3D'font-size:12.0pt;color:#1F497D'><o:p></o:p></span></p>
  </td>
  <td width=3D84 style=3D'width:63.0pt;padding:.75pt .75pt .75pt =
.75pt;height:9.0pt'>
  <p class=3DMsoNormal style=3D'line-height:9.0pt'><b><span =
style=3D'font-size:7.5pt;
  font-family:"Arial","sans-serif";color:#333333'>P =
206.272.5555</span></b><span
  style=3D'font-size:12.0pt;color:#1F497D'><o:p></o:p></span></p>
  </td>
  <td width=3D84 style=3D'width:63.0pt;padding:.75pt .75pt .75pt =
.75pt;height:9.0pt'>
  <p class=3DMsoNormal style=3D'line-height:9.0pt'><b><span =
style=3D'font-size:7.5pt;
  font-family:"Arial","sans-serif";color:#333333'>F =
206.272.5555</span></b><span
  style=3D'font-size:12.0pt;color:#1F497D'><o:p></o:p></span></p>
  </td>
  <td width=3D69 style=3D'width:51.75pt;padding:.75pt .75pt .75pt =
.75pt;height:
  9.0pt'>
  <p class=3DMsoNormal style=3D'line-height:9.0pt'><b><span =
style=3D'font-size:7.5pt;
  font-family:"Arial","sans-serif";color:#333333'><a =
href=3D"http://www.f5.com/"><span
  style=3D'color:#333333'>www.f5.com</span></a></span></b><span =
style=3D'font-size:
  12.0pt;color:#1F497D'><o:p></o:p></span></p>
  </td>
 </tr>
</table>

<p class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<div>

<div style=3D'border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt =
0in 0in 0in'>

<p class=3DMsoNormal style=3D'margin-left:.5in'><b><span =
style=3D'font-size:10.0pt;
font-family:"Tahoma","sans-serif"'>From:</span></b><span =
style=3D'font-size:10.0pt;
font-family:"Tahoma","sans-serif"'> [email protected]
[mailto:[email protected]] <b>On Behalf Of </b>S. Stef=E1n =
Sigur=F0sson<br>
<b>Sent:</b> Friday, January 22, 2010 5:28 AM<br>
<b>To:</b> [email protected]<br>
<b>Subject:</b> [load balancing] L7 packet =
inspection<o:p></o:p></span></p>

</div>

</div>

<p class=3DMsoNormal style=3D'margin-left:.5in'><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'>Hi, my company wants to =
start doing
packet L7 inspection on all traffic going through the load =
balancer.<o:p></o:p></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'>Now <span =
style=3D'color:#1F497D'>m</span>y
concern (cost aside) is how will I get the best performance possible, =
ever ms
counts.<o:p></o:p></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'>We are currently =
&nbsp;using an Ace
module to do our SLB and it has the option of L7 inspect but will that =
perform
any better than putting a good L7 firewall in front of the =
ACE.<o:p></o:p></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'>We are still just in the =
concept
stage of this plan so any advice or good idea would be greatly =
appreciated..<o:p></o:p></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><span =
lang=3DIS><o:p>&nbsp;</o:p></span></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><span lang=3DIS>S. =
Stefan <o:p></o:p></span></p>

</div>

</div>

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