Older blog entries for dma (starting at number 4)

funny page about unix which is not unix operating system: OtherUnix.

pfflowd is a very nice NetFlow sensor for OpenBSD-based routers. Also, I install flowd as a NetFlow collector on a different machine in the internal network. I rotate flowd log files every hour using logrotate and place flows from log to SQLite database. That give me ability to query some information from database using simple SQLite syntax in cgi application.

Type the following command:

spanning-tree portfast

for each Ethernet port (available only for switchport)

Blocking incorrect login attempts in IOS:

login block-for 20 attempts 2 within 20

Information about last 50 login failures:

sh login failures

this patch allow program names in the syslog configuration file to contain non-alphanumerical characters (but no non-printables).

syslogd.diff