Callisto server outage: resolved
Earlier today we detected an attack on our secondary web server Callisto, which powers a handful of services to the campus (blogs, wikis, surveys and the CTL equipment reservations system). We quickly isolated the threat and disabled access until we were sure the server was protected. (more…)
Delivery Failure and Undelivered Messages
We’ve received several emails and calls from various members of the Centre community over recent days about a rash of “Delivery failure” and “Undelivered” email messages. Sometimes these are in a foreign language (Russian is the most popular), and sometimes they aren’t. Some are getting just a handful, others get 30 or 40 (like me!), and some have as many as 150 (!) messages showing up in their Inbox. We wanted to send out a note to let everyone know what was going on.
The short answer: It’s a bunch of spammers. (more…)