Is there any way to limit udp traffic?

Hello all !

There are around 30 PCs in the office connected by wired network, plus
untold number of notebooks or other portable devices connected via
WIFI.

The PCs are running XP and Win7.

The number 1 problem that I am facing is the udp traffics. They are
taking a big chunk out of the available bandwidth.

Can anyone tell me is there a way to limit the udp traffic?

Thank you !

From: "Tua Loh Au"

Hello all !

There are around 30 PCs in the office connected by wired network, plus
untold number of notebooks or other portable devices connected via
WIFI.

The PCs are running XP and Win7.

The number 1 problem that I am facing is the udp traffics. They are
taking a big chunk out of the available bandwidth.

Can anyone tell me is there a way to limit the udp traffic?

Thank you !


What UDP traffic in particular ?

What bandwidth...
Intranet ?
Internet ?



--
Dave
Multi-AV Scanning Tool - http://www.pctipp.ch/downloads/dl/35905.asp

In your corporate firewall?

On 5/9/2011 11:51 PM, Tua Loh Au wrote:
Hello all !

There are around 30 PCs in the office connected by wired network, plus
untold number of notebooks or other portable devices connected via
WIFI.

The PCs are running XP and Win7.

The number 1 problem that I am facing is the udp traffics. They are
taking a big chunk out of the available bandwidth.

Can anyone tell me is there a way to limit the udp traffic?

Thank you !

On 10/05/2011 12:51 AM, Tua Loh Au wrote:
Hello all !

There are around 30 PCs in the office connected by wired network, plus
untold number of notebooks or other portable devices connected via
WIFI.

The PCs are running XP and Win7.

The number 1 problem that I am facing is the udp traffics. They are
taking a big chunk out of the available bandwidth.

Can anyone tell me is there a way to limit the udp traffic?

Thank you !

What firewall are you using?

Yousuf Khan

On 5ÔÂ10ÈÕ, ÉÏÎç5ʱ38·Ö, "David H. Lipman"
wrote:
From: "Tua Loh Au"

Hello all !

There are around 30 PCs in the office connected by wired network, plus
untold number of notebooks or other portable devices connected via
WIFI.

The PCs are running XP and Win7.

The number 1 problem that I am facing is the udp traffics. They are
taking a big chunk out of the available bandwidth.

Can anyone tell me is there a way to limit the udp traffic?

Thank you !

What UDP traffic in particular ?

What bandwidth...
Intranet ?
Internet ?

--
Dave
Multi-AV Scanning Tool -http://www.pctipp.ch/downloads/dl/35905.asp



The UDP traffics are eating up a big chunk of the incoming Internet
bandwidth.

I am from a 3rd world country where Net feed is very expensive, and
very limited. Our company subscribes to 2 net feeds, both 4Mbps.

The UDP are cutting the 8Mbps (2 X 4Mbps) net feed to less than 1Mbps.

As for what UDP traffic? I can only guess because I do not know how to
trace the UDP traffics:

There are workers who frequent Youtube

And then there are who downloading / streaming movies from places like
PPStream.

I have tried blocking the PPStream IP but they are by-passing the
block by using VPN.

As for firewall, it's on the PCs. We do not have a central firewall.

In

Tua Loh Au wrote:

There are workers who frequent Youtube

Tell them to stop.


And then there are who downloading / streaming movies from places like
PPStream.

Tell them to stop.

I have tried blocking the PPStream IP but they are by-passing the
block by using VPN.

Fire them.

This is not a technical issue.

--
Bert Hyman St. Paul, MN

From: "Bert Hyman"

In

Tua Loh Au wrote:

There are workers who frequent Youtube

Tell them to stop.

And then there are who downloading / streaming movies from places like
PPStream.

Tell them to stop.

I have tried blocking the PPStream IP but they are by-passing the
block by using VPN.

Fire them.

This is not a technical issue.


Totally. This is an employee Authorized Use Policy (AUP) implementation. One corporate
AUP must be drafted and have all personnel sign it. Anyone caught violating the AUP can
be fired.

I also think the OP should get a FireWall appliance and filter out unwanted traffic
(traffic shaping ?) and content filtering blocking site access.



--
Dave
Multi-AV Scanning Tool - http://www.pctipp.ch/downloads/dl/35905.asp

On 17/05/2011 1:06 PM, David H. Lipman wrote:
I also think the OP should get a FireWall appliance and filter out unwanted traffic
(traffic shaping ?) and content filtering blocking site access.

The VPN will bypass all traffic shaping. I'd suggest if getting a
firewall appliance that it comes with a feature to limit all traffic
once a certain amount of it is used in a billing period.

Yousuf Khan

Several ways to eliminate unwanted traffic on your network:
If users are not on limited accounts already, put them there immediately.

1) Whilst logged in as admin, configure IPSec policies for each PC that
allow the user to communicate only within the network and/or specified
external mail servers, etc, if needed. Type "secpol.msc" (without quotes) in
the Run field to get started. There is a wealth of information on how to
configure IPSec effectively on the internet. Ironically, a lot of those
tutorials are on YouTube. :P
2) Also, you can take advantage of the seldom-used TCP/IP filtering
component of the PC's network adapter settings. TCP/IP filtering rules are
very effective at eliminating unwanted traffic because they work at the
kernel level. Use sparingly unless you are familiar with this security
feature. It's quite easy to hobble your network with generic filtering
rules.
3) Last, but not least, terminate anyone who repeatedly violates your
company's usage policies.


On 10/05/2011 12:51 AM, Tua Loh Au wrote:
Hello all !

There are around 30 PCs in the office connected by wired network, plus
untold number of notebooks or other portable devices connected via
WIFI.

The PCs are running XP and Win7.

The number 1 problem that I am facing is the udp traffics. They are
taking a big chunk out of the available bandwidth.




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