It has been discussed before but no solution has been posted.

I seem to have the same problem with the latest php-thttpd packages (2.25b+php5.0.4) as posted by NABLA on my wl500g.

Whatever I do I cannot post form information, but the get method works fine. I assume it has something to do with header parsing by the thttpd server since it seems that the server never starts to process the php script called by the form. Anyone have a solution?
Strange enough it sometimes works if i restart the server several times with the S80 script in /opt/etc/init.d although not very stable.