<\/span><\/h3>\nOnce installed and registered, the module binds to the local loopback interface (127.0.0.1:53<\/code> on IPv4 and ::1:53<\/code> on IPv6). It overrides local adapter DNS configurations and intercepts every DNS query generated by system applications, browser sessions, and background services before requests leave the network interface card (NIC).<\/p>\n<\/span>Stage 2: Encrypted Upstream Forwarding<\/span><\/h3>\nThe module bypasses standard, unencrypted local ISP or router DNS servers. Instead, it encapsulates queries and routes them to Cisco Umbrella Anycast resolvers (208.67.222.222<\/code>, 208.67.220.220<\/code>, and their IPv6 equivalents) over encrypted protocols:
\n* DNSCrypt or DNS over HTTPS (DoH):<\/strong> Uses UDP or TCP over port 443 to prevent man-in-the-middle tampering, eavesdropping, and ISP snooping.
\n* Standard DNS Fallback:<\/strong> If encrypted channels are restricted by an upstream firewall, queries fall back to standard UDP\/TCP port 53 while preserving organization identity tags.<\/p>\n<\/span>Stage 3: Real-Time Cloud Policy and Threat Inspection<\/span><\/h3>\nWhen the query reaches the Cisco Umbrella cloud infrastructure, Umbrella evaluates the request against security policies configured in the management dashboard:
\n* Identity Attribution:<\/strong> Identifies the requesting endpoint using metadata embedded via the client\u2019s configuration profile.
\n* Threat Intelligence Matching:<\/strong> Validates destinations against Cisco Talos threat intelligence feeds, which track malicious domains, fast-flux networks, ransomware infrastructure, and newly registered domains.
\n* Category Filtering:<\/strong> Evaluates acceptable use policies (such as blocking gambling, adult content, or peer-to-peer file sharing).<\/p>\n<\/span>Stage 4: Policy Enforcement or Secure Web Gateway (SWG) Handoff<\/span><\/h3>\nDepending on policy evaluation, Umbrella executes one of three outcomes:
\n1. Allowed Query:<\/strong> Umbrella returns the genuine IP address to the endpoint, allowing the application to connect normally.
\n2. Blocked Query:<\/strong> Umbrella returns the IP address of an Umbrella cloud block page, preventing the browser or service from reaching the threat.
\n3. Proxied \/ SWG Inspection:<\/strong> If the destination is deemed “risky” or if Secure Web Gateway (SWG) web policies are active, traffic is routed to the Umbrella cloud proxy for full SSL\/TLS decryption, file sandboxing, and antivirus scanning.<\/p>\n<\/span>Stage 5: Context-Aware Network Sensing<\/span><\/h3>\nThe module actively monitors network changes. When an endpoint connects behind an on-premises network already protected by an Umbrella Virtual Appliance (VA) or enters a corporate VPN tunnel, the module adapts dynamically. It steps back when protection is natively redundant and reactivates immediately upon returning to an untrusted off-network environment.<\/p>\n
\n<\/span>Cisco Secure Client Umbrella vs. Legacy Roaming Clients<\/span><\/h2>\nOrganizations often evaluate Cisco Secure Client Umbrella against earlier standalone agents or older AnyConnect releases. Cisco has officially retired the standalone Umbrella Roaming Client (URC) in favor of the unified Cisco Secure Client architecture.<\/p>\n
\n\n\n| Evaluation Criteria<\/th>\n | Standalone Umbrella Roaming Client (URC)<\/th>\n | Cisco AnyConnect 4.x Umbrella Module<\/th>\n | Cisco Secure Client 5.x Umbrella Module<\/th>\n<\/tr>\n<\/thead>\n |
\n\nAgent Footprint<\/strong><\/td>\nStandalone lightweight service (ERCService.exe<\/code>)<\/td>\n| Integrated module inside AnyConnect client<\/td>\n | Modular service inside unified Cisco Secure Client<\/td>\n<\/tr>\n | \nLifecycle & Support<\/strong><\/td>\n| End of Life (Retired; maintenance only)<\/td>\n | Legacy platform nearing end-of-support cycles<\/td>\n | Active roadmap; standard platform for Cisco endpoint security<\/td>\n<\/tr>\n | \nCloud Management<\/strong><\/td>\n| Managed strictly via Umbrella Dashboard<\/td>\n | Umbrella Dashboard + ASA\/ISE headends<\/td>\n | Umbrella Dashboard, Cloud Management, and ISE\/ASA<\/td>\n<\/tr>\n | \nWeb Security (SWG)<\/strong><\/td>\n| Limited \/ basic DNS redirect only<\/td>\n | Requires separate SWG modules or proxy settings<\/td>\n | Unified DNS-layer security and full SWG \/ Secure Access support<\/td>\n<\/tr>\n | \nVPN Interoperability<\/strong><\/td>\n| Prone to local binding conflicts with third-party VPNs<\/td>\n | Seamless integration with AnyConnect VPN<\/td>\n | Fully native co-existence with VPN, ZTNA, and posture modules<\/td>\n<\/tr>\n | \nOperating System Support<\/strong><\/td>\n| Intel-only focus; limited ARM\/modern OS updates<\/td>\n | Windows 10, legacy macOS<\/td>\n | Windows 10\/11 (x64\/ARM64), macOS Apple Silicon native, Linux<\/td>\n<\/tr>\n | \nDiagnostics & Telemetry<\/strong><\/td>\n| Basic local diagnostic utility<\/td>\n | AnyConnect DART (Diagnostics and Reporting Tool)<\/td>\n | Enhanced DART, centralized cloud diagnostics, and telemetry<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Upgrading to Cisco Secure Client removes the operational overhead of running standalone agents while adding support for modern operating systems, hardware architectures, and unified endpoint policy enforcement.<\/p>\n
\n<\/span>Downloading the Cisco Secure Client Installer and OrgInfo.json<\/span><\/h2>\nDeploying the Umbrella module requires two distinct assets: the core application package and an organization-specific profile definition.<\/p>\n <\/span>Component Overview<\/span><\/h3>\n\n- Installation Archive:<\/strong> Contains the base deployment installers (MSI packages for Windows, PKG\/DMG files for macOS) required to install Cisco Secure Client core services and the Umbrella module.<\/li>\n
OrgInfo.json<\/code>:<\/strong> A digitally signed metadata file generated by the Cisco Umbrella console that binds the installed module to your organization\u2019s cloud tenant. It contains the unique organizationId<\/code>, registration fingerprint<\/code>, and administrator userId<\/code> required for identity verification.<\/li>\n<\/ol>\n<\/span>Dashboard Navigation Path<\/span><\/h3>\nTo acquire these assets from the Cisco Umbrella management interface:<\/p>\n \n- Log in to the Cisco Umbrella Dashboard<\/strong> (
dashboard.umbrella.com<\/code>) using administrator credentials.<\/li>\n- In the left navigation menu, expand Deployments<\/strong> (or Identities<\/strong>) and select Core Identities > Roaming Computers<\/strong>.<\/li>\n
- Click the +<\/strong> (Add) button or select the Roaming Client<\/strong> button at the top of the interface.<\/li>\n
- Locate the section labeled Cisco Secure Client (formerly AnyConnect) Umbrella Roaming Security Module<\/strong>.<\/li>\n
- Click Download Module Profile<\/strong> to download the
OrgInfo.json<\/code> file. Do not alter, rename, or edit the contents of this JSON file.<\/em><\/li>\n- Select the download link for the Pre-Deployment Package<\/strong> corresponding to your target platform (Windows, macOS, or Linux). Alternatively, download the latest Cisco Secure Client installation image from the Cisco Software Central<\/strong> portal (
software.cisco.com<\/code>).<\/li>\n<\/ol>\n
\n<\/span>Step-by-Step Deployment and Configuration Guide<\/span><\/h2>\nEnterprises can deploy the Cisco Secure Client Umbrella module across fleet endpoints using system imaging, Active Directory Group Policy (GPO), or Modern Device Management (MDM) tools like Microsoft Intune and Jamf Pro.<\/p>\n <\/span>Step 1: Stage the Configuration Directory<\/span><\/h3>\nThe Umbrella module reads OrgInfo.json<\/code> during the installation handshake to complete registration. The file must be placed in the designated path based on the endpoint operating system:<\/p>\n\n- Windows:<\/strong>
%ProgramData%\\Cisco\\Cisco Secure Client\\Umbrella\\<\/code><\/li>\n- macOS:<\/strong>
\/opt\/cisco\/secureclient\/umbrella\/<\/code><\/li>\n<\/ul>\nWhen pre-staging via an installer folder, place OrgInfo.json<\/code> in a subfolder named Profiles\\umbrella\\<\/code> directly adjacent to the installer files.<\/p>\n<\/span>Step 2: Execute Mass Deployment via Command Line<\/span><\/h3>\nTo install silently without user disruption, run the installers in sequence using elevated administrative privileges.<\/p>\n For Windows (MSI Silent Execution):<\/h4>\nExecute the core VPN framework first, followed by the Umbrella Roaming Security module:<\/p>\n msiexec \/package cisco-secure-client-win-core-vpn-predeploy-k9.msi \/qn \/norestart\nmsiexec \/package cisco-secure-client-win-umbrella-predeploy-k9.msi \/qn \/norestart\n<\/code><\/pre>\nIf staging the profile post-install via script, copy the downloaded JSON file to the working directory:<\/p>\n mkdir \"%ProgramData%\\Cisco\\Cisco Secure Client\\Umbrella\"\ncopy \/Y \"OrgInfo.json\" \"%ProgramData%\\Cisco\\Cisco Secure Client\\Umbrella\\OrgInfo.json\"\n<\/code><\/pre>\nFor macOS (Shell Script \/ MDM):<\/h4>\nExtract the .dmg<\/code> package and install the core framework alongside the Umbrella package:<\/p>\nsudo installer -pkg \/path\/to\/Cisco_Secure_Client.pkg -target \/\nsudo mkdir -p \/opt\/cisco\/secureclient\/umbrella\/\nsudo cp \/path\/to\/OrgInfo.json \/opt\/cisco\/secureclient\/umbrella\/OrgInfo.json\nsudo chmod 644 \/opt\/cisco\/secureclient\/umbrella\/OrgInfo.json\n<\/code><\/pre>\n<\/span>Step 3: Configure Upstream Network Access<\/span><\/h3>\nEnsure perimeter firewalls, proxies, and egress routers allow the endpoint to communicate with Cisco Umbrella resolvers over the required service ports:
\n* UDP & TCP Port 53:<\/strong> 208.67.222.222<\/code>, 208.67.220.220<\/code>
\n* UDP & TCP Port 443:<\/strong> 208.67.222.222<\/code>, 208.67.220.220<\/code> (for DNSCrypt\/DoH encryption)
\n* TCP Port 443 (HTTPS):<\/strong> Outbound to api.umbrella.com<\/code>, sync.hydra.opendns.com<\/code>, and registration endpoints.<\/p>\n<\/span>Step 4: Verify Deployment and Identity Synchronization<\/span><\/h3>\nOpen the Cisco Secure Client desktop UI. Select the Umbrella<\/strong> tab and verify the status reports Protected<\/strong>. Next, return to the Cisco Umbrella Dashboard under Deployments > Core Identities > Roaming Computers<\/strong> and confirm the computer name appears in the registered identities inventory.<\/p>\n
\n<\/span>Troubleshooting Common Issues and Operational States<\/span><\/h2>\nWhen deployment anomalies or network disruptions occur, the Cisco Secure Client tray interface displays diagnostic statuses. Here is how to diagnose and resolve the most common issues:<\/p>\n <\/span>Why does the Umbrella module display a “Reserved” status?<\/span><\/h3>\nCause:<\/strong> The “Reserved” status indicates that the Umbrella engine is actively waiting for an operative network connection or is evaluating an interface change. This status appears transiently when the endpoint connects to a new Wi-Fi network, switches adapters, or establishes a VPN tunnel.
\nResolution:<\/strong> Verify physical network connectivity. If the status remains stuck in “Reserved,” restart the Cisco Secure Client service (csc_vpnagent<\/code> or vpnagent<\/code>) or check whether local firewall software is completely dropping outbound interface traffic.<\/p>\n<\/span>What causes an “Unregistered” or “Open” status?<\/span><\/h3>\nCause:<\/strong>
\n* Unregistered:<\/strong> The module is installed, but it cannot associate with an Umbrella dashboard organization. This occurs if OrgInfo.json<\/code> is missing from the directory, contains corrupted JSON syntax, or contains an invalid user registration token.
\n* Open:<\/strong> The client has valid network connectivity, but outbound UDP\/TCP queries on ports 53 or 443 to 208.67.222.222<\/code> are blocked by an upstream ISP or corporate firewall. In an “Open” state, the agent backs off and restores the system’s DHCP DNS servers to avoid dropping user internet access.
\nResolution:<\/strong> Ensure OrgInfo.json<\/code> is present in %ProgramData%\\Cisco\\Cisco Secure Client\\Umbrella\\<\/code> (Windows) or \/opt\/cisco\/secureclient\/umbrella\/<\/code> (macOS). If testing for blocked ports, run an explicit lookup from the terminal:<\/p>\nnslookup opendns.com 208.67.222.222\n<\/code><\/pre>\nIf the command times out, permit outbound ports 53 and 443 in the local network router or firewall.<\/p>\n <\/span>Why does the module report “Disabled (VPN Connection)” or “Disabled (Trusted Network)”?<\/span><\/h3>\nCause:<\/strong> Cisco Secure Client is context-aware.
\n* When a user initiates a full-tunnel VPN session, DNS resolution often routes directly to private corporate DNS servers behind the VPN headend. The Umbrella module steps back to allow the VPN tunnel to resolve internal domain resources without conflict.
\n* When on-premises behind an Umbrella Virtual Appliance (VA), the agent yields to the network-level VA to avoid double-processing queries.
\nResolution:<\/strong> This is expected system behavior. If you require Umbrella cloud protection across a split-tunnel VPN, configure split-DNS policies in your AnyConnect\/Secure Client profile to selectively forward internet-bound domains to Umbrella while preserving internal resolution.<\/p>\n<\/span>How do I collect logs for Cisco TAC and deep debugging?<\/span><\/h3>\nIf unexpected DNS leaks or registration errors persist, generate a bundle using the Diagnostics and Reporting Tool (DART)<\/strong>:
\n1. Launch Cisco Secure Client DART<\/strong> from the Start Menu or Applications folder.
\n2. Select Default bundle creation<\/strong> and include Umbrella module diagnostic logs.
\n3. The resulting compressed archive contains detailed operational traces from CiscoUmbrella_Roaming_Security.log<\/code> and system network interface state tables for technical support review.<\/p>\n
\n<\/span>Cisco Secure Client Umbrella Official Documentation and Reference Matrix<\/span><\/h2>\nAdministrators can reference the core architectural and configuration specifications below to support enterprise deployment planning:<\/p>\n
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