Support - SparkLabs

<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>Support - SparkLabs</title> <link href="/static/css/bootstrap.min.css" rel="stylesheet"> <link href="/static/css/sl_styles.css" rel="stylesheet">   <link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png"> <link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png"> <link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png"> <link rel="mask-icon" href="/safari-pinned-tab.svg" color="#5bbad5"> <meta name="msapplication-TileColor" content="#da532c"> <meta name="theme-color" content="#ffffff"> <script src="/static/js/moment.min.js"></script> <link href="/blog/feed/" rel="alternate" title="SparkLabs Blog" type="application/atom+xml"> </head> <body> <div class="sl_header_background_generic" id="slheader"> <nav class="navbar navbar-default bs-docs-nav"> <div class="container"> <div class="navbar-header"> <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar"> <span class="sr-only">Toggle navigation</span> <span class="icon-bar"></span> <span class="icon-bar"></span> <span class="icon-bar"></span> </button> <div style="position: relative;height:50px;"> <a class="navbar-brand" href="/">SparkLabs</a> </div> </div> <div id="navbar" class="navbar-collapse collapse"> <ul class="nav navbar-nav navbar-right"> <li class="dropdown"> <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Products <span class="caret"></span></a> <ul class="dropdown-menu dropdown-menu-left"> <li><a href="/viscosity/">Viscosity</a></li> </ul> </li> <li><a href="/blog/">Blog</a></li> <li><a href="/company/">Company</a></li> <li><a href="/support/">Support</a></li> </ul> </div> </div> </nav>  <div class="container sl_header"> <div class="row"> <div class="col-md-12"> <h1 class="sl_headertext">App <span style="font-weight: 400;">Support.</span></h1> <h1 class="sl_subheadertext">We're here to help.</h1><br /> </div> </div> </div> </div>  <div class="content">  <div class="sl_row_gradient"> <div class="container"> <div class="row sl_paddedrow"> <div class="row"> <div class="col-md-12"> <ol class="breadcrumb"><li>Knowledge Base</li></ol><br /> </div> </div> <div class="row"> <div class="col-md-12"> <h3 class="sl_section_header">Knowledge Base</h3> <div class="row"> <div class="col-md-6"> <div class="list-group"> <li class="list-group-item"><h4>Common OpenVPN Errors</h4></li> <a href="/support/kb/article/error-auth-received-control-message-auth_failed/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Error: AUTH: Received control message: AUTH_FAILED</a> <a href="/support/kb/article/error-cannot-load-certificate-file-cert-crt/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Error: Cannot load certificate file cert.crt</a> <a href="/support/kb/article/error-connection-name-could-not-be-connected/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Error: Connection Name Could Not Be Connected</a> <a href="/support/kb/article/error-inactivity-timeout-ping-restart/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Error: Inactivity timeout (--ping-restart)</a> <a href="/support/kb/article/error-insecure-signature-digest-detected/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Error: Insecure Signature Digest Detected</a> <a href="/support/kb/article/error-private-key-password-verification-failed/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Error: Private key password verification failed</a> <a href="/support/kb/article/error-server-cipher-negotiation-not-supported/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Error: Server Cipher Negotiation Not Supported</a> <a href="/support/kb/article/error-server-encryption-cipher-disallowed/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Error: Server Encryption Cipher Disallowed</a> <a href="/support/kb/article/error-socket-bind-failed-on-local-address/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Error: Socket bind failed on local address</a> <a href="/support/kb/article/error-tcp-connect-to-address-failed-will-try-again-in-5-seconds/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Error: TCP: connect to address failed, will try again in 5 seconds</a> <a href="/support/kb/article/error-the-command-auth-federate-or-one-of-its-parameters-is-invalid/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Error: The command "auth-federate" or one of its parameters is invalid</a> <a href="/support/kb/article/error-the-tap-system-extension-could-not-be-loaded/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Error: The TAP system extension could not be loaded</a> <a href="/support/kb/article/error-the-tap-system-extension-was-blocked-from-loading/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Error: The TAP system extension was blocked from loading</a> <a href="/support/kb/article/error-tls-error-tls-key-negotiation-failed-to-occur-within-60-seconds/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Error: TLS Error: TLS key negotiation failed to occur within 60 seconds</a> <a href="/support/kb/article/error-unsafe-openvpn-command-detected/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Error: Unsafe OpenVPN command detected</a> <a href="/support/kb/article/error-unsupported-tls-protocol-detected/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Error: Unsupported TLS Protocol Detected</a> <a href="/support/kb/article/error-viscosity-helper-tool-disabled/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Error: Viscosity Helper Tool Disabled</a> <a href="/support/kb/article/error-write-to-tun-tap-input-output-error-code-5/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Error: write to TUN/TAP : Input/output error (code=5)</a> <a href="/support/kb/article/error-you-must-define-ca-file-ca-or-pkcs-12-file-pkcs12/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Error: You must define CA file (--ca) or PKCS#12 file (--pkcs12)</a> <a href="/support/kb/article/note-unable-to-redirect-ipv4-default-gateway-vpn-gateway-parameter-is-missing/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Note: Unable to redirect IPv4 default gateway: VPN gateway parameter is missing</a> <a href="/support/kb/article/time-machine-backups-could-not-be-disabled/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Time Machine Backups Could Not Be Disabled</a> <a href="/support/kb/article/warning-a-connection-reset-occurred-with-a-legacy-cipher-command-present/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Warning: A connection reset occurred with a legacy cipher command present</a> <a href="/support/kb/article/warning-bad-compression-stub-decompression-header-byte/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Warning: Bad compression stub decompression header byte</a> <a href="/support/kb/article/warning-split-dns-is-being-used-however-no-dns-domains-are-present/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Warning: Split DNS is being used however no DNS domains are present</a> <a href="/support/kb/article/warning-the-block-outside-dns-option-has-been-ignored/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Warning: The block-outside-dns option has been ignored</a> </div> <div class="list-group"> <li class="list-group-item"><h4>Common Questions</h4></li> <a href="/support/kb/article/can-i-use-both-icloud-private-relay-and-viscosity/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Can I use both iCloud Private Relay and Viscosity?</a> <a href="/support/kb/article/community-contributions/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Community Contributions</a> <a href="/support/kb/article/how-do-i-find-out-who-my-vpn-provider-is/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   How Do I Find Out Who My VPN Provider Is?</a> <a href="/support/kb/article/how-do-i-transition-to-viscosity-from-tunnelblick/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   How Do I Transition to Viscosity from Tunnelblick?</a> <a href="/support/kb/article/how-do-i-transition-to-viscosity-from-windows-openvpn-gui/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   How Do I Transition to Viscosity from Windows OpenVPN GUI?</a> <a href="/support/kb/article/how-do-i-use-time-machine-through-a-vpn-connection/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   How Do I Use Time Machine Through a VPN Connection?</a> <a href="/support/kb/article/why-do-my-vpn-connections-disconnect-on-sleep/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Why Do My VPN Connections Disconnect On Sleep?</a> </div> <div class="list-group"> <li class="list-group-item"><h4>Documentation</h4></li> <a href="/support/kb/article/advanced-configuration-commands/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Advanced Configuration Commands</a> <a href="/support/kb/article/connection-settings/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Connection Settings</a> <a href="/support/kb/article/getting-started-with-viscosity-mac/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Getting Started With Viscosity (Mac)</a> <a href="/support/kb/article/getting-started-with-viscosity-windows/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Getting Started With Viscosity (Windows)</a> <a href="/support/kb/article/installing-viscosity-mac/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Installing Viscosity (Mac)</a> <a href="/support/kb/article/installing-viscosity-windows/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Installing Viscosity (Windows)</a> <a href="/support/kb/article/introduction-to-vpns/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Introduction To VPNs</a> <a href="/support/kb/article/openvpn-configuration-generator/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   OpenVPN Configuration Generator</a> <a href="/support/kb/article/security-of-updates-outbound-connections/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Security of Updates & Outbound Connections</a> <a href="/support/kb/article/sparklabs-security-documentation/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   SparkLabs Security Documentation</a> <a href="/support/kb/article/using-viscosity/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Using Viscosity</a> <a href="/support/kb/article/vpn-service-providers/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   VPN Service Providers</a> </div> <div class="list-group"> <li class="list-group-item"><h4>Enterprise</h4></li> <a href="/support/kb/article/bundling-viscosity-with-vpn-connections-preferences-mac/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Bundling Viscosity with VPN Connections & Preferences (Mac)</a> <a href="/support/kb/article/bundling-viscosity-with-vpn-connections-preferences-windows/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Bundling Viscosity with VPN Connections & Preferences (Windows)</a> <a href="/support/kb/article/common-deployment-and-management-questions/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Common Deployment and Management Questions</a> <a href="/support/kb/article/deploy-viscosity-windows-under-a-gpo-group-policy-environment/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Deploy Viscosity Windows under a GPO Group Policy Environment</a> <a href="/support/kb/article/deploying-viscosity-on-macos-using-jamf-now/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Deploying Viscosity on macOS using Jamf Now</a> <a href="/support/kb/article/deploying-viscosity-on-macos-using-munki/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Deploying Viscosity on macOS using Munki</a> <a href="/support/kb/article/exporting-and-distributing-connections/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Exporting and Distributing Connections</a> <a href="/support/kb/article/license-types/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   License Types</a> </div> <div class="list-group"> <li class="list-group-item"><h4>Features</h4></li> <a href="/support/kb/article/conditional-connections/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Conditional Connections</a> <a href="/support/kb/article/configuring-dns-and-wins-settings/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Configuring DNS and WINS settings</a> <a href="/support/kb/article/controlling-viscosity-with-applescript-mac/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Controlling Viscosity with AppleScript (Mac)</a> <a href="/support/kb/article/controlling-viscosity-with-scripting-windows/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Controlling Viscosity with Scripting (Windows)</a> <a href="/support/kb/article/managing-and-deleting-saved-credentials/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Managing and Deleting Saved Credentials</a> <a href="/support/kb/article/preventing-network-and-dns-traffic-leaks/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Preventing Network and DNS Traffic Leaks</a> <a href="/support/kb/article/routing-traffic-for-websites-applications/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Routing Traffic For Websites & Applications</a> <a href="/support/kb/article/running-applescripts-when-connected-disconnected/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Running AppleScripts When Connected/Disconnected</a> <a href="/support/kb/article/running-batch-vbs-scripts-when-connected-disconnected/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Running Batch/VBS Scripts when Connected/Disconnected</a> <a href="/support/kb/article/sharing-credentials-and-scripts-with-multiple-connections/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Sharing Credentials and Scripts with Multiple Connections</a> <a href="/support/kb/article/single-adapter-mode-windows/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Single Adapter Mode (Windows)</a> <a href="/support/kb/article/using-multiple-vpn-connections-simultaneously/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Using Multiple VPN Connections Simultaneously</a> <a href="/support/kb/article/using-tokens-smartcards-pkcs-11/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Using Tokens/Smartcards (PKCS#11)</a> </div> </div> <div class="col-md-6"> <div class="list-group"> <li class="list-group-item"><h4>Purchasing & Registering Viscosity</h4></li> <a href="/support/kb/article/downloading-an-invoice/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Downloading An Invoice</a> <a href="/support/kb/article/educational-pricing/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Educational Pricing</a> <a href="/support/kb/article/information-for-software-resellers/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Information for Software Resellers</a> <a href="/support/kb/article/invoice-payments-via-check-or-bank-transfer/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Invoice Payments Via Check or Bank Transfer</a> <a href="/support/kb/article/license-details-are-not-accepted/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   License Details Are Not Accepted</a> <a href="/support/kb/article/license-email-has-not-arrived/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   License Email Has Not Arrived</a> <a href="/support/kb/article/license-upgrades-and-volume-extensions/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   License Upgrades and Volume Extensions</a> <a href="/support/kb/article/purchasing-viscosity/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Purchasing Viscosity</a> <a href="/support/kb/article/refund-requests/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Refund Requests</a> <a href="/support/kb/article/registering-viscosity/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Registering Viscosity</a> <a href="/support/kb/article/resending-license-details/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Resending License Details</a> <a href="/support/kb/article/retrieving-your-receipt-or-transaction-number/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Retrieving Your Receipt Or Transaction Number</a> <a href="/support/kb/article/student-and-staff-educational-discount/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Student and Staff Educational Discount</a> <a href="/support/kb/article/updating-license-contact-details/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Updating License Contact Details</a> <a href="/support/kb/article/using-your-license-on-multiple-computers/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Using Your License On Multiple Computers</a> <a href="/support/kb/article/viscosity-license-inclusions/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Viscosity License Inclusions</a> </div> <div class="list-group"> <li class="list-group-item"><h4>Troubleshooting</h4></li> <a href="/support/kb/article/backing-up-viscosity-s-settings/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Backing up Viscosity's Settings</a> <a href="/support/kb/article/logs-and-information-to-provide-support-staff/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Logs and Information to Provide Support Staff</a> <a href="/support/kb/article/losing-network-connectivity-once-disconnected/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Losing Network Connectivity Once Disconnected</a> <a href="/support/kb/article/migrating-from-openvpn-2-3-to-openvpn-2-4/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Migrating from OpenVPN 2.3 to OpenVPN 2.4</a> <a href="/support/kb/article/migrating-from-openvpn-2-4-to-openvpn-2-5/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Migrating from OpenVPN 2.4 to OpenVPN 2.5</a> <a href="/support/kb/article/migrating-from-openvpn-2-5-to-openvpn-2-6/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Migrating from OpenVPN 2.5 to OpenVPN 2.6</a> <a href="/support/kb/article/problem-saving-details-into-the-keychain/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Problem Saving Details Into The Keychain</a> <a href="/support/kb/article/troubleshooting-connection-problems/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Troubleshooting Connection Problems</a> <a href="/support/kb/article/troubleshooting-dns-problems/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Troubleshooting DNS Problems</a> <a href="/support/kb/article/troubleshooting-viscosity-problems-mac/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Troubleshooting Viscosity Problems (Mac)</a> <a href="/support/kb/article/troubleshooting-viscosity-problems-windows/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Troubleshooting Viscosity Problems (Windows)</a> <a href="/support/kb/article/uninstalling-viscosity-mac/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Uninstalling Viscosity (Mac)</a> <a href="/support/kb/article/uninstalling-viscosity-windows/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Uninstalling Viscosity (Windows)</a> <a href="/support/kb/article/using-viscosity-beta-versions/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Using Viscosity Beta Versions</a> <a href="/support/kb/article/viewing-the-console-log/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Viewing the Console Log</a> <a href="/support/kb/article/viewing-the-event-viewer/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Viewing the Event Viewer</a> <a href="/support/kb/article/viewing-the-openvpn-log/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Viewing the OpenVPN Log</a> </div> <div class="list-group"> <li class="list-group-item"><h4>Two-Factor Authentication Setup Guides</h4></li> <a href="/support/kb/article/duo-security-two-factor-authentication-with-openvpn-and-viscosity/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Duo Security Two-Factor Authentication with OpenVPN and Viscosity</a> <a href="/support/kb/article/totp-two-factor-authentication-with-openvpn-and-viscosity/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   TOTP Two-Factor Authentication with OpenVPN and Viscosity</a> <a href="/support/kb/article/yubikey-otp-two-factor-authentication-with-openvpn-and-viscosity/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   YubiKey OTP Two-Factor Authentication with OpenVPN and Viscosity</a> <a href="/support/kb/article/yubikey-u2f-two-factor-authentication-with-openvpn-and-viscosity/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   YubiKey U2F Two-Factor Authentication with OpenVPN and Viscosity</a> </div> <div class="list-group"> <li class="list-group-item"><h4>VPN Server Setup Guides</h4></li> <a href="/support/kb/article/creating-certificates-and-keys-for-your-openvpn-server/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Creating Certificates and Keys for your OpenVPN Server</a> <a href="/support/kb/article/introduction-to-running-an-openvpn-server/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Introduction to Running an OpenVPN Server</a> <a href="/support/kb/article/setting-up-an-obfuscation-server-with-obfsproxy-and-viscosity/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Setting up an Obfuscation server with Obfsproxy and Viscosity</a> <a href="/support/kb/article/setting-up-an-openvpn-server-with-centos-and-viscosity/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Setting up an OpenVPN server with CentOS and Viscosity</a> <a href="/support/kb/article/setting-up-an-openvpn-server-with-dd-wrt-and-viscosity/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Setting up an OpenVPN server with DD-WRT and Viscosity</a> <a href="/support/kb/article/setting-up-an-openvpn-server-with-netgear-and-viscosity/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Setting up an OpenVPN server with Netgear and Viscosity</a> <a href="/support/kb/article/setting-up-an-openvpn-server-with-okta-single-sign-on-web-authentication-and-viscosity/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Setting up an OpenVPN server with Okta Single Sign-on Web Authentication and Viscosity</a> <a href="/support/kb/article/setting-up-an-openvpn-server-with-opnsense-and-viscosity/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Setting up an OpenVPN server with OPNsense and Viscosity</a> <a href="/support/kb/article/setting-up-an-openvpn-server-with-pfsense-and-viscosity/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Setting up an OpenVPN server with pfSense and Viscosity</a> <a href="/support/kb/article/setting-up-an-openvpn-server-with-rcdevs-webadm-u2f-and-viscosity/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Setting up an OpenVPN server with RCDevs WebADM, U2F and Viscosity</a> <a href="/support/kb/article/setting-up-an-openvpn-server-with-red-hat-linux-and-viscosity/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Setting up an OpenVPN server with Red Hat Linux and Viscosity</a> <a href="/support/kb/article/setting-up-an-openvpn-server-with-sophos-utm-and-viscosity/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Setting up an OpenVPN server with Sophos UTM and Viscosity</a> <a href="/support/kb/article/setting-up-an-openvpn-server-with-sophos-xg-and-viscosity/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Setting up an OpenVPN server with Sophos XG and Viscosity</a> <a href="/support/kb/article/setting-up-an-openvpn-server-with-synology-and-viscosity/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Setting up an OpenVPN server with Synology and Viscosity</a> <a href="/support/kb/article/setting-up-an-openvpn-server-with-tomato-router-and-viscosity/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Setting up an OpenVPN server with Tomato router and Viscosity</a> <a href="/support/kb/article/setting-up-an-openvpn-server-with-ubiquiti-edgerouter-edgeos-and-viscosity/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Setting up an OpenVPN server with Ubiquiti EdgeRouter (EdgeOS) and Viscosity</a> <a href="/support/kb/article/setting-up-an-openvpn-server-with-ubuntu-and-viscosity/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Setting up an OpenVPN server with Ubuntu and Viscosity</a> <a href="/support/kb/article/setting-up-an-openvpn-server-with-vyos-and-viscosity/" class="list-group-item"><span class="glyphicon glyphicon-asterisk" aria-hidden="true"></span>   Setting up an OpenVPN server with VyOS and Viscosity</a> </div> </div> </div> </div> </div> </div> </div> </div>  <script src="/static/js/jquery-3.3.1.min.js"></script> <footer class="bs-docs-footer">  <div class="contact-bar"> <div class="container"> <div class="row vertical-align sl_paddedcell_top"> <div class="col-xs-1"></div> <div class="col-xs-2 text-center"> <i id="icons8-search" class="icons8-search contact-icon" style="font-size:54px;padding-left:5px;"></i> </div> <div class="col-xs-7"> <h3 style="color:#fff;">Search Knowledge Base</h3> <p style="color:#fff;" class="text-justify">Search our knowledge base for guides and documentation.</p> <form 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