control: tags -1 + moreinfo
According to a quick research:
The solution was to raise the HTTP request header field size with the following directive:
LimitRequestFieldSize 65536
Have a look at the official Apache HTTPD documentation of this directive:
The LimitRequestFieldSize directive allows the server administrator to set the limit on the allowed size of an HTTP request header field. A server needs this value to be large enough to hold any one header field from a normal client request. The size of a normal request header field will vary greatly among different client implementations, often depending upon the extent to which a user has configured their browser to support detailed content negotiation. SPNEGO authentication headers can be up to 12392 bytes.
To be safe use LimitRequestFieldSize 65536Attachment:
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