Cisco Cisco Web Security Appliance S360 Guía Para Resolver Problemas
Users experience "HTTP 501 not implemented"
error when browsing via the Cisco Web Security
Appliance using port 8080
error when browsing via the Cisco Web Security
Appliance using port 8080
Document ID: 118133
Contributed by Josh Wolfer, Stephan Fiebrandt, Cisco TAC Engineers.
Jul 31, 2014
Jul 31, 2014
Contents
Introduction
Background Information
Solution
Background Information
Solution
Introduction
This document describes common mistake when end−user recieve error "HTTP 501 not implemented".
Background Information
By default, the Cisco WSA runs the web GUI on TCP port 8080. The GUI web server running on port 8080
is attempting to respond to the client traffic instead of the proxy.
is attempting to respond to the client traffic instead of the proxy.
Solution
Typically, all traffic that comes in to the WSA GUI on port 8080 will be redirected to the HTTPS web GUI.
This causes the client to send an HTTP CONNECT request to the GUI web server, which does not allow this
type of connection.
This causes the client to send an HTTP CONNECT request to the GUI web server, which does not allow this
type of connection.
The browser must be set to use one of the proxy ports configured on the WSA. To verify or change which
ports are enabled for Web Proxy traffic, go to:
ports are enabled for Web Proxy traffic, go to:
GUI −> Security Services −> Proxy Settings −> HTTP Ports to Proxy
NOTE: By default the proxy is listens on ports 80 and 3128.
NOTE: The Management interface runs on 22 (SSH), 8080 (HTTP), and 8443 (HTTPS).
NOTE: The Management interface runs on 22 (SSH), 8080 (HTTP), and 8443 (HTTPS).
Updated: Jul 31, 2014
Document ID: 118133