#T/U(dip)-dport(:dport)(=sip)

# ssh allowed for all 
T-22
# www allowed for all
T-80
T-443

# www only for 201.2.3.4
#T-80=201.2.3.4
#T@-80=201.2.3.4
#T200.0.0.205-80=201.2.3.4

# ssh only for 201.2.3.4
#T-22=201.2.3.4

# dns alllowed for all 
#T-53
#U-53

