>wget -S -O/tmp/ http://site.ru/f.crl

Да, не подхватился...

Connecting to 192.168.10.10:81... connected.
HTTP request sent, awaiting response...
  HTTP/1.1 200 OK
  Date: Fri, 24 Apr 2009 11:30:25 GMT
  Server: Apache/2.2.3 (Red Hat)
  Last-Modified: Fri, 24 Apr 2009 06:22:10 GMT
  ETag: "1f10015-3a6-46847043e4880"
  Accept-Ranges: bytes
  Content-Length: 934
  Connection: close
  Content-Type: application/x-pkcs7-crl
  Content-Language: ru
Length: 934 [application/x-pkcs7-crl]
Saving to: `/tmp/crl.crl'