Chapter 3. Application Protocols

HTTP

HTTP is a request/response protocol between clients (user agents) and servers (origin servers) that is used to access web-related services and pages.

An HTTP client initiates a request by establishing a TCP connection to a particular port on a remote host (port 80 by default). Resources to be accessed by HTTP are identified using uniform resource identifiers (URI or URL) using the http: or https: URI schemes.

HTTP supports authentication between clients and servers, which involves sending a clear-text password (not secure). HTTP is disabled by default on Cisco routers, but it can be enabled for remote monitoring and configuration.

Configuring HTTP

Use the ip http access-class command to restrict access to ...

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