Alexander Harrison
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Activity overview
Latest activity by Alexander Harrison-
Alexander Harrison created an article,
Cisco Umbrella DNS and QNAME Minimization
Overview: Query Minimization In June 2019, Cisco Umbrella added support for query name minimization (RFC7816). QNAME minimization is a privacy oriented feature in DNS which aims limit the sending...
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Alexander Harrison created an article,
Using SWG Policies
Welcome to the Umbrella Secure Web Gateway (SWG). After deployment, the most important step is to define a web policy to ensure that the baseline behavior received is what you expect. This artic...
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Alexander Harrison created an article,
[Follow Up Notice] Important update for VA, AD Connector, and Roaming Client prerequisites
Beginning the week of July 29th, the IP address for api.opendns.com has changed. Please ensure that any firewall rules are updated to allow traffic from the Virtual Appliance (registration, sync), ...
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Alexander Harrison created an article,
How to Export a List of Your Roaming Computers
Overview The list of roaming computers in the Umbrella dashboard is capable of being filtered and searched in many ways; however, in some cases an exported list is desired. The Umbrella dashboard ...
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Alexander Harrison created an article,
Linking Cisco Threat Response (CTR) to Umbrella
Overview This article discusses how to connect the CTR portal with Umbrella and all prerequisites required to make this connection. The CTR links in three Umbrella components: Investigate (Req...
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Alexander Harrison created an article,
OpenDNS_Connector user working to pull login events, WBEM, but reports kerberos/LDAP login error
Overview This article applies to Connector errors where there are errors authenticating to kerberos and LDAP, and login events are still found. Login events report DN not found. Log Signs and...
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Alexander Harrison created an article,
Security & Content Review Process for Secure Web Gateway
Overview This article applies to the Cisco Secure Web Gateway. For Umbrella DNS-based categorizations, please contact Umbrella support directly. The Cisco Umbrella secure web gateway (SWG) make...
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Alexander Harrison created an article,
SafeSearch and Application Control
Overview: SafeSearch is a functionality within major search engines to limit the results of search content to be void of adult content. For more details about SafeSearch enforcement within Umbrell...
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Alexander Harrison created an article,
Cisco Umbrella CSC and Meraki API Link: Meraki API IP Access Restrictions
Introduction The Cisco Security Connector (CSC) iOS application is able to be deployed via the Meraki MDM with a one-click link from the Umbrella dashboard. This link requires Cisco Umbrella to ac...
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Alexander Harrison created an article,
Important Notes on Umbrella Reporting: 28 Day Threshold
Overview This article will discuss expected reporting expectations surrounding the retention of proxy data. As a result of storage mechanics, many reports will contain differences of data between...