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IRIS

Instructional & Research Information Systems

Lars Rohrbach

Campus Wi-Fi Support for Fall Start

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As many return to campus for the beginning of Fall Semester, we fully expect to experience some issues with campus Wi-Fi. Campus has made many improvements to our growing Aruba Wi-Fi infrastructure, but increased traffic may reveal additional avenues for improvement. And some people will need assistance with individual devices on Wi-Fi.

Beginning next Monday, August 22, campus is increasing drop-in and phone support for Wi-Fi, for the first few weeks of the semester. Anybody with Wi-Fi issues is encouraged to call or drop-in, for quickest Wi-Fi support. An Instructor Hotline is available, and Hotspots can be requested. Please see the following page for details:

It’s important to troubleshoot any issues on a case-by-case basis, so that service can be improved for everyone.

Temporary LDAP authentication failure

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We experienced a failure of EECS LDAP authentication, from about 5:50pm to 10:30pm, due to routine patches changing some file permissions for saslauthd. The issue has been corrected, and LDAP authentication is working again.

The problem may have been most noticeable when attempting to login to various EECS web forms (e.g. system registration or user account request forms).

Update to Domain Controller Group Policy

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We are implementing an update to Group Policy that affects our Windows Domain Controllers this morning at 10am. No impact is expected on end users, but we are mindful that a similar change last week caused an unexpected problem with LDAP-auth (see https://iris.eecs.berkeley.edu/news/resolved-incidents/eecs-ldap-logins-not-working/).

This update improves the security profile of our Domain Controllers. In particular, we are removing explicitly-listed Null Session Named Pipes, as is best practice.