1/15/2024 0 Comments Screens 4 public udp ports![]() ![]() ![]() That such as the certificate issuer and digital signature rely on verifying the chain of certificates up to the root certificate. The Webex App and Devices validate the certificates of the servers when they establish the TLS sessions. Use a proxy server to intercept requests and limit the domains that are allowed. To ensure that people only sign in to applications using accounts from a predefined list of domains. Refer to Configure a list of allowed domains to access Webex while on your corporate network for details on the following: When selecting between the two, choose WinINet for your proxy configuration settings. WinHTTP is designed primarily for multiuser, server-based applications WinInet is designed for single-user, desktop client applications only Microsoft Windows support two network libraries for HTTP traffic (WinINet and WinHTTP) that allow Proxy configuration.WinINet If you already see other entries, addĪ semicolon after the last entry, and then enter the Webex exception. Occurs, bypassing the not inspecting traffic to *. might solve the problem. Proxies that inspect web traffic may interfere with web socket connections. When using Proxy Authentication, configure with valid credentials. To connect Cisco Webex Board, Desk, or Room Series device to a proxy server, see Connect your Board, Desk, or Room Series device to a proxy server.įor Cisco IP phones, see Set Up a Proxy Server as an example for configuring the proxy server and settings.įor No Authentication, configure the client with a proxy address that doesn’t support authentication. Proxy Auto Config (PAC) files - See Proxy Auto-Config Files for details. Web Proxy Auto Discovery (WPAD) - See Web Proxy Auto Discovery Protocol for details. †Windows NTLM Auth - Supported only if a machine is logged onto the domain †Mac NTLM Auth - Machine need not be logged on to the domain, user prompted for a password While configuring, choose from the following Proxy configurations & authentication types: IT team uses the inspecting proxies to enforce policies on the websites to visit and the types of content that aren’t permitted.Ĭonfigure the proxy addresses manually for Webex Room devices, Cisco IP Multiplatform Phones (MPP), and Webex App using: No HTTP's configurationĬhanges are necessary however, your clients either App or Devices need a root certificate so that they trust the proxy. Transparent Proxy (inspecting)-The Clients aren’t configured to use a specific proxy server address. Transparent Proxy (noninspecting)-The Clients aren’t configured to use a specific proxy server address and don’t require anyĬhanges to work with a noninspecting proxy. This option supports one of the following authentication types: Supported Proxy Options, configuration & Authentication typesĮxplicit Proxy (inspecting or noninspecting)-Configure the clients either App or Device with explicit proxy to specify the These clients to go through the firewall directly. That use SIP to register to the Webex Calling service and the associated media aren’t sent to the proxy. If a proxy server address is configured, then only the Signaling traffic (HTTP/HTTPS) is sent to the proxy server. That you turn off this functionality to maintain correct operation of service.Ĭheck the relevant manufacturer's documentation for steps to disable SIP ALG on specific devices. If a router or firewall is SIP Aware, that is the SIP Application Layer Gateway (ALG) or similar is enabled, we recommend This timeoutĪllows reliable connectivity while reducing the battery consumption of the users' mobile devices. If your network implements NAT or SPI, then set a larger timeout (of at least 30 minutes) for the connections. Example: Cisco phones send follow-up REGISTER refresh If deploying NAT, it’s not mandatory to open an inbound port on the firewall.ĭefine reasonable binding periods and avoid manipulating SIP on the NAT device.Ĭonfigure a minimum NAT timeout to ensure proper operation of devices. Network Address Translation or Port Address Translation functionality is applied at the border between two networks to translateĪddress spaces, or to prevent the collision of IP address spaces. Ports for the required protocols to let out services. However, if you're running inside-to-outside rules, you must open Not all firewall configurations require ports to be open. ![]() Webex Calling uses SIP and HTTPS for call signaling and the associated addresses and ports for media, network connection, and gateway connectivity A correctly configured firewall and proxy are essential for a successful calling deployment. ![]()
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