Category Archives: Network

Deep packet inspection rears it ugly head

Last Friday I started noticing error messages in my production environment. URLs were being mangled, two consecutive characters being replaced by 0×80 and 0×01 or 0×80 and 0×04, causing UTF-8 decode exceptions to be logged, as well as failures for … Continue reading

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Doing my bit for the Internet

My first IPv6 connectivity, courtesy of Hurricane Electric’s Tunnel Broker. It only took me three years…

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RapidSSL 1 – GoDaddy 0

My new company’s website uses SSL. I ordered an “extended validation” certificate from GoDaddy, instead of my usual CA, RapidSSL/GeoTrust, because GoDaddy’s EV certificates were cheap. EV certificates are security theater more than anything else, I probably should not have … Continue reading

Posted in IT, Network, Soapbox, Web | 2 Comments

Clueless SaaS providers can leave you with egg on your face

While cleaning out my spam folders, I noticed a disturbing trend: a number of the spam were sent to vendor-specific email addresses I had set up to communicate with Parallels, Joyent and Shoeboxed. As a security measure, I do not … Continue reading

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Broken SPF records

I have SPF verification enabled on my mail server. While SPF is no panacea for the problem of spam, it is quite effective at ensuring spammers do not forge the sending address to impersonate someone else, and cause some poor … Continue reading

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Fie on parasitic US cellcos

The Economist has an excellent article on how Indian mobile phone companies cut costs. They have an ARPU of $6.50 a month yet operate with a 40% gross margin. If US cellcos were run as efficiently, they would have a … Continue reading

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At long last real broadband in San Francisco

I upgraded my broadband connection yesterday from a puny 3-6Mbps/384-768K DSL connection to 20Mbps symmetrical Metro Ethernet service from an outfit called WebPass. My current ISP, Raw Bandwidth, has excellent service with no restrictions on hosting servers or traffic shaping … Continue reading

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Today is a great day for the Internet in France

The content producers’ lobby is very ancient and powerful in France (it was started by the playwright Beaumarchais in the 18th century). The fact President Sarkozy’s wife is an important rights holder may have something to do with his determination … Continue reading

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SOCKS and SSH, two great flavors that go together

I am currently in New Orleans for a friend’s wedding, and staying at the InterContinental. The hotel has wired Internet access, but like all expensive hotels, wants to charge an extortionate fee ($7/hour) for it. This is annoying as the … Continue reading

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Whither IP-based home automation?

Home automation units based on X10/Insteon or proprietary systems like Control4 or Savant start at $100-200. At a time when you can buy a fully functional WiFi router with a 200+MHz processor, a minimum 8M of RAM, 16MB of flash … Continue reading

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