Archive for the tag 'traffic'

 

 

May 11 2013

Freeradius Usage Graphs

Published by under Freeradius

Radius servers generate a lot of accounting records. Is it worth keeping them? Damn yeah! Beside the fact they could be used to check if a customer was connected at a given date, or find out who got IP address X.X.X.X that same day, the most interesting is to generate traffic reports and show customers […]

4 responses so far

Feb 09 2010

Display Network Stats on Linux with Iptables

Published by under Linux

As for any firewall, iptables is able to do network statistics reporting. the -v (–verbose) option along with the list switch (-L) show packets and bytes counters.Network stats are available on a per rule basis. Here is an example on the INPUT chain:   In this example, you could split the RELATED and ESTABLISHED state rule […]

No responses yet

Aug 09 2009

How to crack a WEP key and decrypt live traffic

Published by under Linux,Security

Cracking a WEP key is extremely easy and is a matter of a few seconds. Truth? Pretty much… We are going to decrypt traffic in real time as well without even needing to connect to the wireless access point. All steps will be run under root super-user as interfaces state needs to be changed.  To Start […]

One response so far

May 30 2009

Daily Accounting in Freeradius

Published by under Cisco,Freeradius

We have seen a few posts on Freeradius user list and other forums asking how to collect accounting periodically. The Radius protocol provides accounting but not in the way that many would like. Here’s a short list of things we would like to modify or improve: Traffic is not collected at regular intervalsAs a result, […]

33 responses so far

Aug 01 2007

Gigawords Support in Radius

Published by under Cisco,Freeradius

Many people using Radius for accounting don’t know there are counters limits. Values defined in the protocol are stored in 32 bit fields meaning you will never go any higher than 4294967296 bits, that is fairly more than 4GB. If a session stays up for days, there are good chances that the counter resets to […]

9 responses so far

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