Some outside organization have recently pointed out many incidents occurring on campus related to access to certain inappropriate websites, so ACCC has decided to block access to them from the On-Campus Wi-Fi System during the university winter closure.

Date: December 28, 2017 2:00 P.M. – January 4, 2018 10:00 A.M.
Summary: Blocking access to inappropriate websites from the following wireless networks:
On-Campus Wi-Fi System (utwlan-w)
On-Campus Wi-Fi System via 802.1x authentication (utwlan-x)

To see the list of the blocked websites, access the following page with your UTID-13:
https://www.cc.tsukuba.ac.jp/network/access/member_only/IPaddress.htm

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

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.

The Student Residence Hall Network, which Academic Computing & Communications Center used to manage, has been outsourced to an outside company by Division of Student Welfare since April 2017.

If you have a problem with the network, call the support desk at the phone number provided in the instruction manual.

Maintenance is to be performed on eduroam on campus as follows:

Date: Monday, February 27, 2017
Areas or Systems Affected: During this event, eduroam will be suspended for several minutes. No other campus networks will be affected.