--- title: Disable external content URL description: Manage how external link metadata is used in your instance with Connect Chat. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/platform-security/instance-security-hardening-settings/sc-disable-external-content-url.html release: australia product: Instance Security Hardening Settings classification: instance-security-hardening-settings topic_type: reference last_updated: "2026-03-12" reading_time_minutes: 1 breadcrumb: [Validation, sanitization, and encoding, Hardening settings, Platform Security] --- # Disable external content URL Manage how external link metadata is used in your instance with Connect Chat. If the **glide.ui.url.external.content** system property isn't set to the recommended value of **false**, then Connect chat retrieves external link metadata in order to render richer content in messages with links to Youtube, news articles, images, etc. Ensure that the Glide Property **glide.ui.url.external.content** exists in the System Properties \[sys\_properties\] table and is set to the value **false**. If the property does not appear in the table, add a new record. ## More information
Attribute Description
Configuration name **glide.ui.url.external.content**
Configuration type System Properties \(/sys\_properties\_list.do\)
Data type Boolean
Recommended value false
Default value <none>
Fallback value false
Category [Validation, sanitization, and encoding](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/platform-security/instance-security-hardening-settings/validation-sanitization-encoding.md)
Security risk - Severity score: 7.2 - CVSS score: High - Security risk details: This could lead to Server Side Request Forgery \(SSRF\) attacks.
Dependencies and prerequisites None
References [Connect Chat](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/servicenow-platform/c_Collaboration.md)
**Parent Topic:**[Validation, sanitization, and encoding](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/platform-security/instance-security-hardening-settings/validation-sanitization-encoding.md)