500 error page enhancement (7.6.0)
We have enhanced the 500 error page to provide detailed information explaining why requests are blocked when they violate the HTTP Protocol Constraints (HPC) security rules.
Here is the information displayed in the 500 error message if the request violates the corresponding constraints in HPC:
|
Information in the 500 error message |
Upon violation of the following settings in Web Protection > Protocol > HTTP Protocol Constraints |
|---|---|
| Bad chunk, such as the chunk length include illegal character 7ui. |
Others > Illegal chunk size Others > Malformed Request (Bad Chunk Encode) |
|
Bad URL, such as missing ‘/’ |
HTTP Request > Malformed URL Others > Malformed Request (Bad URL) |
|
Bad First line, such as the first line in request, “abcde asdfa” |
Others > Malformed Request (Bad Firstline) |
| Bad Response code, such as “703” | Others > Illegal Response Code |
|
Bad Content-Length, such as the invalid number 9223372036854775999 |
Others > Malformed Request (Bad Content Length) |
|
Header Too Large, such as total header length over 512K |
Others > Malformed Request (Header Oversized) |
Related topics: