Hello, Here's an interesing question. I need to implement an ap_proxy_hash (the function that translates URL into cache file name on disk) in perl (to get a working mechanizm for forced expiration of some URLs). AFAIK there is no mod_perl interface to mod_proxy, so it's necessary to make a dumb port from c to perl. But this function uses three apache api calls: ap_MD5Init, ap_MD5Update & ap_MD5Final. Is this possible to replace those ones for a Digest::MD5 and get the same results? Best regards, Ilya mailto:[EMAIL PROTECTED]