Cisco Bug: CSCsg30118 - Web auth allows traffic on port 53 prior to client authentication
Jun 29, 2015
- Cisco 4400 Series Wireless LAN Controllers
Known Affected Releases
Symptom: Enabling the web authorization (webauth) feature allows wireless clients to send DNS traffic over port 53. This may allow wireless clients to tunnel traffic via this port. Conditions: Requires a WLC configured to restrict access to clients prior to WLAN authentication (webauth enabled). This was observed on WLC 4402 running 22.214.171.124.
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Bug Details Include
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