Backbone Network Maintenance (November 27, 2016)

ACCC will be performing maintenance on backbone network equipment as follows:

Date: Monday, November 27, 2017 11:25 AM – 12:15 PM
Summary: Maintenance on equipment of the backbone network
During the maintenance, the campus network will be momentarily interrupted twice in all campus areas including remote areas.

On-Campus Wi-Fi System Maintenance (December 20, 2017)

ACCC will be performing maintenance to the On-Campus Wi-Fi System as follows:
Date: Monday, December 20, 2017 11:25 a.m. – 1:15 p.m.
Summary: Upgrade of the On-Campus Wi-Fi System
Areas or Systems Affected: During this event, the following wireless networks will be suspended:
– On-Campus Wi-Fi System (utwlan-w)
– On-Campus Wi-Fi System via 802.1x authentication (utwlan-x)
– eduroam

On SPSS License

SPSS version 22 and earlier can no longer be available.
If you are using an older version, please upgrade.
In addition, the license offering policy has been changed.
For details, please see SPSS page.

Vulnerabilities Discovered in WPA2

Wi-Fi Protected Access II (WPA2) is a standard for encrypted communications on wireless LAN (Wi-Fi) networks, and it has been announced that some vulnerabilities are discovered in WPA2, such as encryption key theft. If a third party exploits the vulnerabilities within the range of a wireless network, your communications on the network can be intercepted. To defend against these vulnerabilities, you need to install updates to affected products.

Individual users should take the following precautions:
– Install updates to fix the vulnerabilities.
Microsoft released security updates in October, 2017.
【Microsoft Corporation Information for VU#228519】
https://www.kb.cert.org/vuls/id/CHEU-AQNMYP

If new security updates are not available for your OS, consider doing the following:

– Avoid sending important information from a website whose URL starts with “http”.
– Use a VPN.
– Use a wired network.

————————————————–

【IPA Information】
https://www.ipa.go.jp/security/ciadr/vul/20171017_WPA2.html

On-Campus Wi-Fi System Maintenance (October 16, 2017)

ACCC performs maintenance to the On-Campus Wi-Fi System as follows:

Date: Monday, October 16, 2017 11:25 am – 12:15 pm
Areas or Systems Affected: During the maintenance, there will be a delay in the communications made from the following wireless networks:
On-Campus Wi-Fi System
On-Campus Wi-Fi System via 802.1x authentication (on a test operation)
International Academic Roaming Service “eduroam”
Guest Network

[emergency maintenance] Mail Gateway (9:00-13:00 Sept. 29, 2017)

An emergency Mail Gateway maintenance for countermeasure against vulnerability has been scheduled at the following date and time.

Date and time: 9:00-13:00 Sept. 29 (Fri.), 2017

Although the Mail Gateway will not stop during the maintenance because of its redundant configuration, some mails may be delayed temporarily.

We are sorry for the inconvenience, thank you.

On the Change of the Layout of the Login Page of the Unified Authentication System

The layout of the login page of the Unified Authentication System was changed as follows after the system maintenance held on Sept. 4th, 2017. This announcement is for informing the users of this change.

(old system)

(new system)

Text above and below the Login button may differ by service being logged in.

 

 

Suspension of the On-Campus Wi-Fi System, utwlan-w and utwlan-pub

ACCC is to perform maintenance to the ACCC website. During the maintenance, utwlan-w and utwlan-pub will be suspended, while utwlan-x will work as usual.

Date: Thursday, September 14, 2017 6:00 p.m. – 12:00 a.m.
Systems or Areas Affected: utwlan-w and utwlan-pub of the On-Campus Wi-Fi System

Beware of Spam E-mail!

ACCC has received reports of spam emails titled
“[ACCC] University Mailbox Quota Exceeded!”, ”ご注意!!OFFICEのプロダクトキーが不正コピーされています (Warning!! Your Office product key has been illegally copied)”, ”つくばウェブメールのアップグレード / Upgrade Your Tsukuba WebMail, etc.
Please ignore them if you receive them.