Understanding the insecure-skip-tls-verify Parameter in ACC: Default Behavior and Configuration GuidelinesIssue <!-- /*NS Branding Styles*/ --> .ns-kb-css-body-editor-container { p { font-size: 12pt; font-family: Lato; color: #000000; } span { font-size: 12pt; font-family: Lato; color: #000000; } h2 { font-size: 24pt; font-family: Lato; color: black; } h3 { font-size: 18pt; font-family: Lato; color: black; } h4 { font-size: 14pt; font-family: Lato; color: black; } a { font-size: 12pt; font-family: Lato; color: #00718F; } a:hover { font-size: 12pt; color: #024F69; } a:target { font-size: 12pt; color: #032D42; } a:visited { font-size: 12pt; color: #00718f; } ul { font-size: 12pt; font-family: Lato; } li { font-size: 12pt; font-family: Lato; } img { display: ; max-width: ; width: ; height: ; } } Understanding the insecure-skip-tls-verify Parameter in ACC: Default Behavior and Configuration GuidelinesDefault Behavior: false When to Set to true:Update this parameter to true only when you need to bypass TLS certificate validation.Important: Enabling this option reduces security and should be avoided in production.When the ACC agent first connects to a MID Web Server using the default self-signed certificate, the agent’s configuration file (acc.yml) sets insecure-skip-tls-verify: true. This setting allows the initial WebSocket handshake to succeed before a trusted certificate is installed. Release<!-- /*NS Branding Styles*/ --> .ns-kb-css-body-editor-container { p { font-size: 12pt; font-family: Lato; color: #000000; } span { font-size: 12pt; font-family: Lato; color: #000000; } h2 { font-size: 24pt; font-family: Lato; color: black; } h3 { font-size: 18pt; font-family: Lato; color: black; } h4 { font-size: 14pt; font-family: Lato; color: black; } a { font-size: 12pt; font-family: Lato; color: #00718F; } a:hover { font-size: 12pt; color: #024F69; } a:target { font-size: 12pt; color: #032D42; } a:visited { font-size: 12pt; color: #00718f; } ul { font-size: 12pt; font-family: Lato; } li { font-size: 12pt; font-family: Lato; } img { display: ; max-width: ; width: ; height: ; } } ACC version 5.0.0 before and after. Resolution<!-- /*NS Branding Styles*/ --> .ns-kb-css-body-editor-container { p { font-size: 12pt; font-family: Lato; color: #000000; } span { font-size: 12pt; font-family: Lato; color: #000000; } h2 { font-size: 24pt; font-family: Lato; color: black; } h3 { font-size: 18pt; font-family: Lato; color: black; } h4 { font-size: 14pt; font-family: Lato; color: black; } a { font-size: 12pt; font-family: Lato; color: #00718F; } a:hover { font-size: 12pt; color: #024F69; } a:target { font-size: 12pt; color: #032D42; } a:visited { font-size: 12pt; color: #00718f; } ul { font-size: 12pt; font-family: Lato; } li { font-size: 12pt; font-family: Lato; } img { display: ; max-width: ; width: ; height: ; } } We have Official Documentation for Reference:https://www.servicenow.com/docs/bundle/yokohama-it-operations-management/page/product/agent-client-collector/reference/acc-yml-options.html Parameter: insecure-skip-tls-verify Default: falseDescription: Controls whether TLS certificate verification is performed when connecting to the MID Server. Why is the default false? By default, certificate verification is enabled to ensure secure communication. However, the MID Server’s default certificate is self-signed, which may cause verification failures. When should this be set to true? Only when bypassing certificate validation is necessary, such as during initial setup or troubleshooting.Customers are expected to update this property after replacing the default self-signed certificate with their own trusted certificate on the MID Server.If automation is used for agent installation, ensure this property change occurs only after all MID Servers have valid web server certificates installed. What’s actually happening (and why) Out‑of‑box behavior: When ACC first connects to a MID Web Server that is using the default self‑signed certificate, the agent ships withinsecure-skip-tls-verify: true in acc.yml. This allows the initial WebSocket handshake to succeed before you install a trusted certificate.Expectation for production: As soon as your MID Web Server presents a trusted TLS certificate (public or internal CA) with correct SANs matching the endpoint you use in backend-url, you should setinsecure-skip-tls-verify: false to enforce certificate verification. This is the secure baseline. Idea portal request also raised:https://support.servicenow.com/ideas?id=view_idea&sysparm_idea_id=f36b57b647653a94b8a4aa25126d4395&sysparm_idea_table=x_snc_com_ideation_idea&sysparm_module_id=enhancement_requests