SysAdmin

RFC 1918 is a best-current-practicies RFC that describes network address ranges that we all agree we won’t use globally. They get used for private networks, NAT ranges and so on. There are three ranges: 10.0.0.0 to 10.255.255.255 172.16.0.0 to 172.31.255.255 192.168.0.0 to 192.168.255.255 They are thus the Internet equivalent of the American phone system not…

Read More The Hazards of Not Using RFC 1918

I would estimate that 2/3 of the calls I get are from people trying to sell me things I neither need nor want. Of those, over half are outsourcing services. Of the remainder, recruiters are over half. There are also people who call me for their services once a week. There’s one particular outsourcing firm…

Read More Brightening up the day from an unexpected place

I have been playing with Splunk, for about 45 minutes. So far, I like it. I’ve previously been exposed to Arcsight, but what I have more of an affinity for psychologically is not so much a correlation engine, but a great visualization tool that automagically can grok log formats without making me write a hairy…

Read More Splunk'd?