Category Archives: Firewall

Network outage at JOR & POD buildings on Tuesday August 14, 2018 at 8:00 AM

Posted on August 14, 2018 by michael

On Tuesday August 14, 2018 at 8:00 AM, CCS received reports about an outage for the wired network in the JOR & POD buildings.  The Network Services team is investigating the issue. Update: Problem traced to a firewall mis-configuration. Services … Continue reading →

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Inbound internet outage on Friday, June 15, 2018 from 07:54 AM to 09:40 AM

Posted on June 15, 2018 by Casey Carvalho

An unexpected network issue arose during a scheduled upgrade and reconfiguration of Ryerson’s border firewalls, starting this morning at 7:54 AM.  As a result of the change, inbound traffic for some departmental academic and admin networks was not properly routed. … Continue reading →

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Network interruption on Wednesday July 26, 2017 from 2:52 to 3:20 PM

Posted on July 26, 2017 by michael

On Wednesday July 26, 2017 at 2:52 PM, a network device failed to handle the traffic going though it. This prevented access to many of Ryerson’s servers such as my.ryerson.ca and www.ryerson.ca. Services resumed at 3:20 PM. We apologize for … Continue reading →

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Network outage on Monday May 1, 2017 from 6:00 to 6:30 PM

Posted on May 1, 2017 by michael

On Monday May 1, 2017 at 6:00 PM, one of the network appliances in the data centre got overloaded due to a network workload misconfiguration. This prevented access to most of Ryerson’s services such as my.ryerson and www. ryerson. The … Continue reading →

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Wired network outage on Friday April 22 from 3:15 AM to 7:45 AM

Posted on April 22, 2016 by michael

On Friday, April 22, 2016 at 3:15 AM, a firewall protecting all the wired academic and administrative subnets failed. This  prevented these subnets from accessing any network resource. IT-Security moved the traffic to a redundant firewall and services were resumed at 7:45 AM … Continue reading →

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Network outage Friday March 11, 2016 at 12:15 PM

Posted on March 11, 2016 by michael

On Friday, March 11, 2016 at 12:15 PM, a firewall for the wired networks failed which is preventing access to any network resource. Network staff are troubleshooting the issue. Update: The firewall vendor was able to provide a workaround and services … Continue reading →

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CFAPs outage on Tuesday February 9, 2016 from 11:30 AM to 11:40 AM

Posted on February 9, 2016 by michael

On Tuesday, February 9, 2016 at 11:30 AM, the firewall protecting the CFAPs (Windows Central File Sharing and Printing) servers failed. This prevented staff and faculty from accessing their personal or departmental shared folders. The firewall has been replaced and services … Continue reading →

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Network outage on Monday May 11, 2015 at 11:25 AM

Posted on May 11, 2015 by michael

On Monday, May 11, 2015 at 11:25 AM, internet access became intermittent. IT Security team is trying to diagnose the issue Please accept our apologies for the inconveniences this has caused. -Computing and Communications Services

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Network outage on Monday May 4, 2015 at 1:19 PM

Posted on May 4, 2015 by michael

On Monday, May 4, 2015 at 01:19 PM, the network switch feeding some schools stopped passing traffic.  This caused a network outage to RCC, Mechanical engineering, CED, IMA and Physics school. The Network Services team is troubleshooting the issue. Update: The problem … Continue reading →

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Internet access service disruption: Thursday, April 23, 2015 5:15 PM

Posted on April 23, 2015 by Casey Carvalho

Around 5:15 PM this afternoon, CCS received various reports of connectivity issues when trying to reach external websites, including Google Apps, from within the Ryerson network.  The problem cleared itself after a few minutes.   Preliminary investigation indicates that a primary … Continue reading →

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