[Web Security Basics] some details

1. URL、URI and URN
   Relationship ：
   URI Include URL and URN, The latter two are URI Subset .
   Concept ：
   URI： Uniform resource identifiers （Uniform Resource Identifier)
   URL： Uniform resource locator （Uniform Resource Locator）, Provide the resource address , It enables people to find the resource through the address .
   URN：, Unified resource name （Uniform Resource Name）, Provide a name , It allows people to talk about... Without knowing where their resources are .
   Format ：
   URI: agreement ： + IP: Port number + Resource specific address

---

WEB The basic form of the address is URI, There are two forms ：URL and URN.
Especially in relation to XSS On the homologous strategy of , These concepts need to be distinguished .