--- title: Verify certificate chain and hostname description: Configure the com.glide.communications.httpclient.verify\_hostname property to prevent man-in-the-middle-attacks by ensuring that the certification verification process is executed. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/platform-security/instance-security-hardening-settings/sc-verify-certificate-chain-and-hostname.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: [Communications, Hardening settings, Platform Security] --- # Verify certificate chain and hostname Configure the **com.glide.communications.httpclient.verify\_hostname** property to prevent man-in-the-middle-attacks by ensuring that the certification verification process is executed. When the **com.glide.communications.httpclient.verify\_hostname** system property is not set to the secure value of **true**, the hostname and certificate chain presented by remote hosts during a TLS connection initiated from the ServiceNow instance are not validated. Ensure that the **com.glide.communications.httpclient.verify\_hostname** system property is set to the secure value of **true**. ## More information
Attribute Description
Configuration name **com.glide.communications.httpclient.verify\_hostname**
Configuration type System Properties \(/sys\_properties\_list.do\)
Data type Boolean
Recommended value true
Default value <none>
Fallback value false
Category [Communications](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/platform-security/instance-security-hardening-settings/sc-communications.md)
Security risk - Severity score: High - CVSS score: 7.4 - Security risk details: This could compromise the security of the TLS connection and allow person-in-the-middle attacks, where communications between two parties are intercepted. This may lead to sensitive data disclosure.
Dependencies and prerequisites None
Functional impact Verifies hostname and certificate chain presented by remote secure socket layer \(SSL\) hosts. Set this property to true to secure against Man-in-the-middle \(MITM\) attacks.**Note:** This property overrides the **com.glide.communications.trustmanager\_trust\_all**, property.
**Parent Topic:**[Communications](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/platform-security/instance-security-hardening-settings/sc-communications.md)