Webcache Hardware Refresh

Posted on 2009-11-16 by Guy Edwards

Our servers are kept in warranty/hardware support so that hardware failures can be quickly replaced with minimum effect on the service. The webcache has had new hardware purchased for it to replace hardware going out of warranty. I’ve been preparing … Continue reading →

Posted in General Maintenance, Services, Web Cache | Comments Off on Webcache Hardware Refresh

Fixing the iPhone OS WiFi auto-login problem

Posted on 2009-10-12 by Oliver Gorwits

Some time ago, shortly after iPhone OS 3.0 was released, we received a number of reports from users that our VPN-based wireless service had become unusable. For those not familiar with this service, OWL is one of our local wireless … Continue reading →

Posted in VPN, Wireless | 4 Comments

Connecting to JANET

Posted on 2009-10-06 by Oliver Gorwits

Sorry it’s been a little while since our last post. We’re just coming to the end of the summer vacation, the point when we (and most other IT support staff around the university) get things ship-shape in time for the … Continue reading →

Posted in Backbone Network, Cisco Networks | Comments Off on Connecting to JANET

Moving to a new ARP and MAC logging system

Posted on 2009-09-08 by Oliver Gorwits

To locate a node (workstation, printer, etc) on the network, you use a combination of the ARP logs from a router, and the MAC-port mappings from a switch. The ARP log translates IP to MAC, and the MAC-port log translates … Continue reading →

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OWL Phase 2 WAP, Oxpoints integration

Posted on 2009-09-07 by Guy Edwards

When OWL Phase 2 funding was given we were asked to quickly put together a database table and front end so that IT support staff could register access points. We were aware at the time that the schema was going … Continue reading →

Posted in Wireless | Comments Off on OWL Phase 2 WAP, Oxpoints integration

URIBL is back

Posted on 2009-09-02 by Andy Saunders

We had to remove Oxmail’s checking of URIs against the URIBL blacklist a couple of weeks ago after a change of licensing meant that we could no longer use it for free. JANET(UK) has now purchased a private datafeed and … Continue reading →

Posted in Mail Relay | Comments Off on URIBL is back

Wireless Application Firewall

Posted on 2009-08-26 by Guy Morrell

In order to prevent ‘Location Independent Network’ abuse resulting in C&D orders landing on the desks of ITSS, we’ve recently added an Allot Netenforcer to the backend of eduroam and OWL. It will be configured to block P2P traffic and … Continue reading →

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VPN Service changing server IP addresses

Posted on 2009-08-24 by Andy Saunders

This change is not happening now.  This message is simply to give advance notice in order to give you time to change your firewall rules if necessary. The current VPN Service is provided by a single server with IP address … Continue reading →

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