root@ns559848:/home/arthur# iptables -vL
Chain INPUT (policy ACCEPT 204 packets, 162K bytes)
 pkts bytes target     prot opt in     out     source               destination
    0     0 ACCEPT     udp  --  any    any     anywhere             anywhere             udp dpt:ms-sql-m
   59  8363 ACCEPT     tcp  --  any    any     anywhere             anywhere             tcp dpt:ms-sql-s

Chain FORWARD (policy ACCEPT 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source               destination
    0     0 ACCEPT     tcp  --  any    any     anywhere             anywhere             tcp dpt:ms-sql-s
    0     0 ACCEPT     udp  --  any    any     anywhere             anywhere             udp dpt:ms-sql-m

Chain OUTPUT (policy ACCEPT 196 packets, 162K bytes)
 pkts bytes target     prot opt in     out     source               destination
    0     0 ACCEPT     udp  --  any    any     anywhere             anywhere             udp dpt:ms-sql-m
   59  8363 ACCEPT     tcp  --  any    any     anywhere             anywhere             tcp dpt:ms-sql-s