Understanding IPTABLES

Disclaimer

Packet filtering is something I’ve always hard a hard time getting my head around. Not the basics; that’s easy
enough. It’s just the incredible level of detail, the difficulty of keeping it all in your head at once.

And then, of course, there are all the different flavors: ipfw, ipfilters, ipchains, and now iptables. It gets more
than a little confusing, and I’ve never taken the time for more than a cursory look at any of them.

Marketing by the Numbers

“Conviction is the luxury of those sitting on the sidelines.” This is what John Nash’s imaginary boss said in the movie “A Beautiful Mind.” For those of us who choose to play rather than watch, Measurement is the compass that guides us through our mistakes.

What is your most important marketing tool? I would argue that your spreadsheet application should be high at the top of the list. In this day and age, running your marketing department without constant attention to the numbers is simply irresponsible.

Dan Thies Answers Website Promotion Questions

Dan Thies is the author of “Search Engine Optimization Fast Start,” and a frequent contributor to Murdok. He has more books coming out soon on pay-per-click advertising, email marketing, e-zine publishing, and a beginner’s book on building a small business website.

Dan is happy to answer “almost any” question, but if you would like an intelligent answer, please stick to the general topics of online marketing, website promotion, and search engine positioning (including pay per click). Please include your website’s URL, and as many details as possible.

The Dress Code

It strikes terror in the heart of some of us, while others ignore it completely. Some of us are relieved there is one; others of us resent it. The Dress Code: Does it affect your career, affect whether you’re hired or not, affect how you’re treated on the job? Definitely.

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