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PHP Server Side Scripting Forum

URL's without session ID - no success with htaccess and ini_set

 7:16 pm on Jul 22, 2003 (gmt 0)

Hi all!

Users can login at my site, but I want to avoid session ID's in the URL's due optimizing for search engines.

I already tried

ini_set("session.use_only_cookies", "on");
ini_set("session.use_only_cookies", "1");
ini_set("session.use_only_cookies", 1);

or in .htaccess

php_flag session.use_only_cookies on

but nothing works.
Any ideas why everything fails?
(I have only webspace, so I don't have access to php.ini)
(PHP4.1.2 on Linux)

Thank you all very much in advance!

Best regards,



 8:48 pm on Jul 22, 2003 (gmt 0)

Hello captain,

as written in the online manual:

session.use_only_cookies specifies whether the module will only use cookies to store the session id on the client side. Defaults to 0 (disabled, for backward compatibility). Enabling this setting prevents attacks involved passing session ids in URLs. This setting was added in PHP 4.3.0.

So you canīt modify this setting with your PHP version.

See [php.net...] for further information.




 4:53 pm on Jul 23, 2003 (gmt 0)

Thank you Professor :-)

I missed this little detail about the version somehow.

Currently I do not start the session when the reverse lookup of the IP matched to /google/, so this works quite fine, but it fails for other search engines.

Well, I think I must wait until my ISP upgrades the version to 4.3.0 ...

Thanks again!

All the best,


 4:55 pm on Jul 23, 2003 (gmt 0)

i guess you'll have to match the other search engines too i'm afraid...

or how about matching users? just match all the browsers you can think of - and add in X11, XP, ME, 98, MacOS etc... that should cover just about all human user's UA strings!


 8:31 pm on Jul 23, 2003 (gmt 0)


the UA idea is perfect! Thanks a lot! :-)

All the best,

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