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Bandwidth monitor and throttle

post #1 of 7

10/22/12 at 4:02am

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dushan24
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Hey guys,

I need a program to sit on my server and monitor all incoming and outgoing traffic, then cut off all network access except for SSH after it exceeds a certain threshold.

It's a web server running Ubuntu 12.04

Thanks!

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post #2 of 7

11/1/12 at 7:13am

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dushan24
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Bump

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post #3 of 7

11/1/12 at 1:25pm

mybeat
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Something like this can be done by parsing /sys/class/net/$IFACE/statistics/{rx_bytes,tx_bytes}, if it's more than X bytes for last X minutes then mess with iptables, but that would be a hackish solution.

You want to limit web traffic or?

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post #4 of 7

11/9/12 at 4:34pm

Peiler
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Have u checked SolarWinds Orion? You can monitor traffic with it but I am not sure if you can do the second part u need with blocking access...

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post #5 of 7

11/10/12 at 8:11am

Imrac
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You can use iptables and the quota parameter.

something like:

Code:

iptables -N CAP
iptables -A CAP --quota 1048576 -j ACCEPT
iptables -A CAP -j DROP

iptables -A INPUT -p tcp --dport 22 -j ACCEPT
iptables -A INPUT -p all -j CAP

iptables -A OUTPUT -p tcp --sport 22 -m state --state ESTABLISHED -j ACCEPT
iptables -A OUTPUT -p all -j CAP

* Note this has not been tested at all.

Take a look at this tutorial, it will give you a good idea of what you would need to do.

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post #6 of 7

11/10/12 at 3:47pm

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dushan24
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Quote:

Originally Posted by Peiler

Have u checked SolarWinds Orion? You can monitor traffic with it but I am not sure if you can do the second part u need with blocking access...

I thought they were just Windows?

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post #7 of 7

11/10/12 at 3:48pm

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dushan24
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Quote:

Originally Posted by Imrac

You can use iptables and the quota parameter.
something like:

Code:

iptables -N CAP
iptables -A CAP --quota 1048576 -j ACCEPT
iptables -A CAP -j DROP
iptables -A INPUT -p tcp --dport 22 -j ACCEPT
iptables -A INPUT -p all -j CAP
iptables -A OUTPUT -p tcp --sport 22 -m state --state ESTABLISHED -j ACCEPT
iptables -A OUTPUT -p all -j CAP

* Note this has not been tested at all.
Take a look at this tutorial, it will give you a good idea of what you would need to do.

Nice suggestion, +REP

If I can't find a better answer I'll look into this, iptables is my firewall and I can configure it without FWBuilder or UFW so it shouldn't take long to setup, might test in a VM and report back if it works.

EDIT: 500 Posts!

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Optical Drive	Cooling	OS	Monitor
Lite-On 24x DVD-RW	CoolerMaster V8	Windows 7 Professional SP1	3 x Samsung S22B350H
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