Author Archives: George Ross

“DHCP” network problems 20th-22nd April

A number of users of our self-managed “DHCP” subnet experienced problems accessing the network starting some time on Saturday 20th up until 14:45 on Monday 22nd.  We believe that this was caused by a rogue DHCP server, and that disabling … Continue reading

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EdLAN upgrade work by IS Network Services

The following dates have been set for IS Network Services to perform essential replacement work on the core EdLAN network routers: Appleton Tower – Saturday 19th January 2013 08:00-10:00 (then at risk 10:00-12:00) The Appleton Tower work will cause an … Continue reading

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Wireless networking in the Forum

Wireless networking spectrum is a scarce resource.  In the 2.4GHz band (“802.11b/g”) there are essentially only three non-overlapping channels available.  Things are not quite as tight in the 5GHz band (“802.11a”), but there is by no means generous provision there … Continue reading

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Network security and robustness enhancements

New versions of network switch firmware often bring additional facilities along with bug-fixes.  We have recently been evaluating some security and robustness enhancements, with a view to rolling them out across the Informatics network.  In particular: DHCP protection, which will … Continue reading

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Cookies and “Similar Technologies”

As a result of a 2009 EU directive, the Privacy and Electronic Communications (EC Directive) Regulations 2003 (“PECR”) have been amended such that visitors to web sites must now give their prior consent to the placing of cookies.  The way … Continue reading

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