This will obviously never match the URL/IP address requested by client and the certificate will not be trusted unless the client forces the exception in their browser. Indeed, if your client requests any URL (such as ), the WLC still presents its own certificate issued for the virtual interface IP address. Also note that a certificate warning is unavoidable in this case.
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It is advised not to use this feature before WLC version 8.7 where the scalability of this feature was enhanced. In Version 8.0 and later, you can enable redirection of HTTPS traffic with the CLI command config network web-auth https-redirect enable.īe aware that this is resource consuming for the WLC in case many HTTPS requests are sent. You must type an HTTP address in order to get redirected to the login page which was served in HTTPS. This means that if you open your browser and type an HTTPS address, nothing happens. Note about HTTPS Redirection: By default and in the 7.x versions and earlier, the WLC did not redirect HTTPS traffic. An example is the Access Control Server (ACS) web interface, which is on port 2002 or other similar applications. Tip: If you want the WLC to watch another port instead of port 80, you can use config network web-auth-port to create a redirect on this port also. In summary, the WLC allows the client to resolve the DNS and get an IP address automatically in WEBAUTH_REQD state. When you are authenticated, you gain access to all of the network resources and are redirected to the URL originally requested, by default (unless a forced redirect was configured on the WLC). The page was moved to the external web server used by the WLC. In the case of an external WebAuth, the WLC replies with an HTTP response that includes your website IP address and states that the page has moved. The WLC intercepts that request and returns the webauth login page, which spoofs the website IP address. The client then sends its HTTP request to the IP address of the website. The client resolves the URL through the DNS protocol. You must type a valid URL in your browser. You must receive a DHCP IP address with the address of the DNS server in the options. With web authentication enabled, you are kept in WEBAUTH_REQD where you cannot access any network resource (no ping, and so on).
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After that, you are associated, but not in the WLC RUN state. The 802.11 authentication process is open, so you can authenticate and associate without any problems. There is not an all-in-one service set identifier (SSID) for dot1x for employees or web portal for guests. It is not meant for guest, but for the addition of a web portal for employees (who use 802.1x). However, be aware that clients must go through both dot1x and web authentication.
DEFAULT LOGIN FOR CISCO VIRTUAL WIRELESS LAN CONTROLLER SOFTWARE
WebAuth cannot be configured with 802.1x/RADIUS (Remote Authentication Dial-In User Service) until the WLC Software Release 7.4 is installed where it can be configured at the same time. WebAuth is an authentication method without encryption. Although the combination of WebAuth and PSK reduces the user-friendly portion significantly and is not used often, it still has the advantage to encrypt client traffic. It can also be combined with any pre-shared key (PSK) security (Layer 2 security policy). It allows for user-friendly security that works on any station that runs a browser. Web authentication (WebAuth) is Layer 3 security. Web Authentication Inner Processes Web Authentication Position as a Security Feature If your network is live, make sure that you understand the potential impact of any command. All of the devices used in this document started with a cleared (default) configuration.
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The information in this document was created from the devices in a specific lab environment. The information in this document is based on all WLC hardware models. Prerequisites RequirementsĬisco recommends that you have basic knowledge of WLC configuration. This document explains the processes for Web Authentication on a Wireless LAN Controller (WLC).