USRobotics NETServer/8 - Manual (Page 131)

Packet Filters 8-17
dsthost
Compare the destination IPX node address contained in the
packet to the address given. The IPX address should be in
hexadecimal format.
< permit | deny> dsthost
srcsocket
Compare the source IPX socket number contained in the packet
to the socket number given. You must specify the type of the
comparison. Valid comparisons are: less than (lt), equal (eq), or
greater than (gt).
< permit | deny> srcsocket
dstsocket
Compare the destination IPX socket number contained in the
packet to the socket number given. You must specify the type of
the comparison. Valid comparisons are: less than (lt), equal (eq),
or greater than (gt).
< permit | deny> srcsocket
IPX rule example
The following rules discards packets which are bound for
network number 342BF if their destination socket number is less
than 32.
deny dstnet 000342BF dstsocket lt 32