All the limits are configurable but not fixed by the HTTP protocol and vary from platform to platform (i.e. web-servers).
Tomcat :
maxHttpHeaderSize=>We can specify the max size of the request/response HTTP header in bytes, by default it is set to 8kb.
Link: http://tomcat.apache.org/tomcat-6.0-doc/config/http.html#HTTP/1.1_and_HTTP/1.0_Support
Apache :
Directive =>LimitRequestFieldSize (This directive is used to limit the size of the HTTP request header accepted from the client side)
syntax => LimitRequestFieldSize and default value is 8190 bytes
Link: http://httpd.apache.org/docs/2.2/mod/core.html#limitrequestfieldsize
IIS:
MaxFieldLength => In IIS server an upper limit for each header.
The default value is : 16384K
The valid range is : (64 - 65534)K
Link: https://support.microsoft.com/en-us/kb/820129
0 Comment(s)