Its not search engine bug:
curl -I
https://broadbandforum.co/lofiversion/index.php/f18.html
reply is code 200. HTML o/p says dead page but HTTP reply code is 200 i.e. Success.
HTTP/1.1 200 OK
Date: Fri, 18 May 2007 04:00:29 GMT
Server: Apache/1.3.37 (Unix) mod_auth_passthrough/1.8 mod_log_bytes/1.2 mod_bwlimited/1.4 PHP/4.4.4 FrontPage/5.0.2.2635.SR1.2 mod_ssl/2.8.28 OpenSSL/0.9.7a
X-Powered-By: PHP/4.4.4
Connection: close
Content-Type: text/html
It shud be like this
curl -I
http://www.yahoo.com/asdadad
HTTP/1.1 404 Not Found
Date: Fri, 18 May 2007 04:22:22 GMT
P3P: policyref="http://p3p.yahoo.com/w3c/p3p.xml", CP="CAO DSP COR CUR ADM DEV TAI PSA PSD IVAi IVDi CONi TELo OTPi OUR DELi SAMi OTRi UNRi PUBi IND PHY ONL UNI PUR FIN COM NAV INT DEM CNT STA POL HEA PRE GOV"
Cache-Control: private
Vary: User-Agent
Connection: close
Content-Type: text/html; charset=utf-8