Available since: 1.9.3
删除一条拒绝连接的 ip 规则.
rule - IP 地址过滤规则, 只前缀, 如 127.0.1, 127.0, 等等.Status reply.
ssdb 127.0.0.1:8888> list_allow_ip
			  key
-----------------
			  all
1 result(s) (0.000 sec)
(0.000 sec)
ssdb 127.0.0.1:8888> add_allow_ip 127.0.0.1
ok
(0.000 sec)
ssdb 127.0.0.1:8888> list_allow_ip
			  key
-----------------
		127.0.0.1
1 result(s) (0.000 sec)
(0.000 sec)
ssdb 127.0.0.1:8888> del_allow_ip 127.0.0
ok
(0.000 sec)
ssdb 127.0.0.1:8888> list_allow_ip
			  key
-----------------
		127.0.0.1
1 result(s) (0.000 sec)
(0.000 sec)
ssdb 127.0.0.1:8888> del_allow_ip 127.0.0.1
ok
(0.000 sec)
ssdb 127.0.0.1:8888> list_allow_ip
			  key
-----------------
0 result(s) (0.000 sec)
(0.000 sec)
ssdb 127.0.0.1:8888>