May 16 2009
You can easily graph Freeradius number of active sessions with a simple shell script, if you store accounting data in a SQL database. Use the script below for Mysql that you can easily adapt to other databases like Oracle or PostgreSQL. Check the complete list of supported databases by Freeradius. A certain number of sessions […]
Apr 27 2009
Having set up VPN parameters on two Cisco PIX, you need to generate a traffic flow from a network to another to bring the connection up. This can be annoying if want to make sure the tunnel is active before you connect the network. Let’s take 2 sub-networks 192.168.2.0/24 and 192.168.3.0/24.Once VPN connections are configured on […]
Apr 10 2009
AS400 CPU and memory resources monitoring can be handled with the SNMP protocol if SNMP service has been enabled. Values are not directly exploitable and need to be worked on before being displayed. All of these commands were executed on a Linux server. Check your Linux distribution to install snmpwalk, there’s a package for it […]
Mar 19 2009
MRTG needs at least 2 values to generate graphs. Thus, Most configurations contain the same OID twice in the target line. This leads to 2 problems: – The same data is collected twice which requires more bandwidth, especially when a large number of hosts is monitored – The value may vary during this very short […]
Jul 22 2008
If you wonder if you should use rlm_ippool or rlm_sqlippool to turn your Radius into a “DHCP” server, read on! rlm_ippool We first configured Freeradius to provide IP addresses through the ippool module. IPs are stored internally in a binary data file. radiusd.conf Users In users, we’ve got: On startup, db.ippool and db.ipindex are created […]