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 …
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 …
How Does ICAP Work?
In brief, the protocol functions as follows. An HTTP message is passed by an ICAP client to the ICAP server. The server processes the message and sends a reply …
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 …
21st Century Coding
We all think of programmers as relatively the same thing. Young white men, who sit behind their desk all day without a clue about what goes on in the …
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 …
Border Gateway Protocol – BGP
The BGP protocol is one used by gateways and routers based in different systems. It’s predecessor was called EGP, this protocol actually was used on the ARPANET – the …
Mathematical Fuzzy Logic Technology
Many high tech Japanese rice cookers now use fuzzy logic technology to cook superior rice. This is a computing approach that does not use traditional Boolean logic but instead …
Protocol Verification and Tunnelling
Circuit level tunneling for instance perhaps SOCKS or SSL tunneling allows a proxy server to pass any protocol it requires. Of course at this level the gateway may not …
A Little Bit About IP Checksums
The role of checksums in IP headers is actually very important. THey are used to make sure that data is not corrupted during it’s journey from the source address …