Virus Buster Update for Windows 10 Update Ver.1803 (April 2018)

Antivirus software Virus Buster (VB) is now compatible with Windows 10 Update ver.1803 (April 2018). If you are using the software, it will be automatically updated to the compatible version through the VB management server as long as your PC is connected to the campus network (including VPN).

To check whether your PC can communicate with the server, follow the steps below.
1. Open the VB Office Scan Agent Console, and the message saying “Protection Enabled” will be displayed.

2. Click on “Smart Agent Pattern File” and see ”cornXXX.cc.tsukuba.ac.jp” (XXX are 3 digits.)in the URL of “File Reputation Service”.

Be aware of the following notes:
1. Do not install Windows 10 Update ver.1803 (April 2018) until you have updated VB to the compatible version.
2. Connect to the campus network so that your PC can communicate with the VB management server.
3. The timing for the update depends on the load of the server.
4. Download Station now provides the compatible version of VB.

To check whether the update has been completed, open the VB Office Scan Agent Console and check your VB version. To check it,
1. Click on “?”.
2. Then click on “About”.
3. See “12.0.5147 Service Pack 1” displayed.

The version information is displayed as follows:

If you have already installed Windows 10 Update ver.1803 (April 2018) before updating VB

There are two options available.
1. After uninstalling Virus Buster Corp.XG SP1, download and install the latest version of the software from Download Station.
2. Restore your PC to the condition it was before the update was installed. Then install the Windows Update after updating VB. This option requires you to configure your PC to temporarily postpone Windows updates in order that the latest update will not be installed automatically. For the instructions on how to postpone windows updates.

On-Campus Wi-Fi System Urgent Maintenance (June 12)

The On-Campus Wi-Fi System will be undergoing urgent maintenance today as follows:

Date: Tuesday, June 12, 2018 from 11:25 a.m. to 12:15 p.m.
Impact: During this maintenance, access to the system will be interrupted or unstable.

We apologize for any inconvenience this may cause you.

On-Campus Wi-Fi System Maintenance (June 11)

ACCC will be performing maintenance on the On-Campus Wi-Fi System as follows:

Date & Time: Monday, June 11, 2018 from 11:25 a.m. to 12:15 p.m.
Impact: During this maintenance, the On-Campus Wi-Fi System will be unavailable to access.

On-Campus Wi-Fi System Maintenance (February 5, 2018)

ACCC will be performing maintenance on the On-Campus Wi-Fi System as follows:

Date: Monday, February 5, 2018 between 11:25 A.M. and 12:15 P.M.
Impact: The On-Campus Wi-Fi System will be suspended for several minutes somewhere during the period.

Security Policy Change on utwlan-x (January 22, 2018)

ACCC will be changing the security policies on utwlan-x, one of the campus wireless networks on Monday, January 22, 2018 between 11:25 A.M. and 12:15 P.M.
After the change, communications activities over the network will be restricted as follows:

1) Incoming communications from outside the network will be blocked.
2) Outgoing communications from the network will be permitted in principle. However, the following types of communications will be blocked:
– P2P file sharing
– Attacks exploiting vulnerabilities
– Spyware and malware
– DNS queries searching for website names malware use
– Transmission and reception of files containing computer viruses
– Access to websites doing activities such as malware distribution, remote control and phishing.
These restrictions will be implemented in accordance with the standard configuration set by the manufacturer of the campus firewall. After confirming that the change has caused no problems, ACCC will accordingly change the security policies on other campus wireless networks including utwlan-w.

During the change work, communications may be cut off on utwlan-x. If that happens, try accessing after a while

Backbone Network Maintenance (rescheduled: March 5, 2018→February 20, 2018)

ACCC will be conducting maintenance on the backbone network as follows:

Date: Tuesday, February 20, 2018 12:00 P.M. – 4:00 P.M.
Impact: During this period, the campus network will be interrupted up to 20 minutes twice.

This maintenance was already rescheduled, but the date has been changed again for urgent reasons.
The maintenance is necessary for the safe and secure operation of the campus network. We ask for your understanding and cooperation.

Blocking Access to Certain Inappropriate Websites from On-Campus Wi-Fi system

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

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

[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.