I installed memcached and php-memcached on my ubuntu, I can connect to it by localhost on 11211 port. I can store data in it,but I wanna set username and password on it like when I connect to database. is it possible?how?
Yes, via SASL: http://code.google.com/p/memcached/wiki/SASLAuthProtocol
sasl_pwdb for more simple auth deployments
--enable-sasl-pwdb allows memcached to use it's own password file and verify a plaintext password. The file is specified with the environment variable MEMCACHED_SASL_PWDB, and is a plain text file with the following syntax:
username:password
Please note that you have to specify mech_list: plain in your sasl config file for this to work. Ex:
echo "mech_list: plain" > memcached.conf
echo "myname:mypass" > /tmp/memcached-sasl-db
export MEMCACHED_SASL_PWDB=/tmp/memcached-sasl-db
export SASL_CONF_PATH=`pwd`/memcached.conf
./memcached -S -v
and you should be able to use your favorite memcached client with sasl support to connect to the server. (Please note that not all SASL implementations support SASL_CB_GETCONF, so you may have to install the sasl config (memcached.conf) to the systemwide location)