On Mon, 2011-12-05 at 17:39 +0400, Denis Spichkin wrote: [ . . . ] > so now I need find out how generate page with out Content-Length in mod_perl
I believe you need to force Apache to flush the headers. Otherwise it will try to compute and add the Content-Length header for you. See http://perl.apache.org/docs/2.0/user/handlers/http.html#item_The_special_case_of__code_Content_Length__0__code_ -- David Booth, Ph.D. http://dbooth.org/ Opinions expressed herein are those of the author and do not necessarily reflect those of his employer.