# cat /var/flash/user.cfg
/*
 * /var/flash/user.cfg
 * Thu Mar 31 21:31:22 2011
 */
usercfg {
        active = yes;
        users {
                type = internet_user_default;
                ip = 0.0.0.0;
                comment = "";
                budget_time_monday = 0;
                budget_time_tuesday = 0;
                budget_time_wednesday = 0;
                budget_time_thursday = 0;
                budget_time_friday = 0;
                budget_time_saturday = 0;
                budget_time_sunday = 0;
                mac = 00:00:00:00:00:00;
                is_blocked = no;
                internet_policy_id = 0;
                timeprofile_id = 0;
                internet_ruleset_id = 0;
                ruleset_id_without_timeprofile = 0;
                internet_policy_budget_reached_id = 0;
                bpjm_filter_enabled = no;
                url_blacklist_enabled = no;
                url_whitelist_enabled = no;
                webprotect_enabled = no;
        } {
                type = internet_user_ip;
                ip = 192.168.178.22;
                comment = "";
                budget_time_monday = 0;
                budget_time_tuesday = 0;
                budget_time_wednesday = 0;
                budget_time_thursday = 0;
                budget_time_friday = 0;
                budget_time_saturday = 0;
                budget_time_sunday = 0;
                mac = 00:1F:;
                is_blocked = no;
                internet_policy_id
 = 0;
                timeprofile_id = 1;
                internet_ruleset_id = 0;
                ruleset_id_without_timeprofile = 0;
                internet_policy_budget_reached_id = 0;
                bpjm_filter_enabled = no;
                url_blacklist_enabled = no;
                url_whitelist_enabled = no;
                webprotect_enabled = no;
        }
        parental_control_enabled = yes;
        bpjm_update_check_successful = "1970-01-01 01:00:00";
        bpjm_update_check_found_version = "";
        bpjm_update_check_firmware_version = "";
        url_blacklist = "images.rambler.ru";
        webprotect {
                enabled = no;
                SessionID = 0;
        }
}
// EOF
#

только в секцию url_blacklist список подставлять по крону