define('WP_PROXY_HOST', 'enter the ip or adress');
define('WP_PROXY_PORT', 'proxy port');
define('WP_PROXY_USERNAME', 'user name');
define('WP_PROXY_PASSWORD', 'password');
define('WP_PROXY_BYPASS_HOSTS', 'optional');
define('WP_HTTP_BLOCK_EXTERNAL', optional);
Me commands tika file ekata enter...