First page Back Continue Last page Summary Graphics
Basic Filtering (cont)
In the case of TCP and/or UDP:
object = addr [port-comp | port-range]
port-comp = "port" compare port-num
port-range = "port" port-num range port-num
port-num = number (0-65535) or name (/etc/services)
compare = "=" | "!=" | "<" | ">" | "<=" | ">=" | "eq" | "ne" | "lt" | "gt" | "le" | "ge"
range = "<>" | "><"
Notes: