232_________________________________________ Internet

  , ,     -
 HTTP-    ,   HTTP-
   .

Proxy-      , -
      ,  
.   ,    -
 ,   ,    (-
,     ,     -
),   ,     
 .

    ,  :

GET /maindoc.html HTTP/I.0

    :

D   "General Header".    -
   ,    .    , 
   (   "Entity-Body"), . . 
     "POST"  ,  -
    .

1.  "Date:"     ( 
).

2.  "Pragma:"     
 . ,  "no-cache"  
       
.

 "General Header"  , , :

Date: Tue, 15 Nov 1994 08:12:31 GMT
Pragma: no-cache

1~1   "Request-Header"     -
.        -
  .

1.  "Authorization:"    -
.   ,   "Authorization:"  -
   .

2.  "From:"   Internet- .  -
       
 , ,    -
   .

3.  "If-Modifled-Since:"     "GET". -
      ,   