1. ?????SSH password
2. ??SSH port, ?22 ??????? Port.
3. ?? iptables ??????, ?????? port ?, ????????
4. ?? iptables??????,?????????????, ???????????????????
5. ???? Memcache ??, ??????127.0.0.1 ??, ??????????????
??:
????memcached???????DDoS??
??:
????memcached???????DDoS??