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Route Tracking using HTTP Tracing


The HTTP 1.1 protocol has it’s own tracing method implemented called TRACE which provides route tracing on request.  Of course many people simply use traceroute commands which are available on most operating systems – however this only tracks hops on the network router level.  The HTTP trace method actually provides much more detailed tracking and…

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Proxies and Capturing Authentication Credentials


As the administrator of any internet facing network knows, there are certain essentials in allowing your clients access to the internet.  Most networks employ a proxy server to help mitigate this risk, but simply installing a proxy and leaving it be is actually going to cause more problems than it solves.  For example one essential…

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XML Sitemaps – A Brief Introduction


Google was the very first search engine to introduce sitemaps with the Google XML sitemap format in 2005. As the internet evolved, so the standard evolved with all the search engines and it soon became the standard for all these search giants on how to complete a crawl of a website and of course the…

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TCP/IP Congestion Avoidance Algorithm


Lost packets is one of the biggest difficulties for any transport protocol.  Sending data across a variety of platforms, switches, hubs and routers is bound to end up with some lost data.  Every protocol therefore needs a way of dealing with these lost packets.   The congestion avoidance algorithm is one way of dealing with…

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Tech and Wine


Wineries aren’t usually thought of as being high tech are they? Heck, grapes and the wine they make is just an agricultural product, right? So much more goes into it though.  Take a winery like Vineyard 29 in California’s historic Napa Valley.  They make some of the best Cabernet Sauvignon on the planet, giving you…

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XML Web Services and Security


Because a large amount of web services are largely built on XML,  this has led to many new standards being developed in order to supply the basic security infrastructure to support it’s use.  Here is a quick list (which is by no means complete) of some developing technologies which may be of use to the…

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