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Lancom Systems LCOS 3.50 User Manual

Page 158

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LANCOM Reference Manual LCOS 3.50

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Chapter 8: Firewall

158

Fi

rew

a

ll

Meaning of the flags of the connection list

Port block list

Address, protocol and port of a destination station are filed in the port block
list, if blocking of the destination port on the destination station was selected
as a filter’s packet action. This table is likewise a sorted semi-dynamic table.

Flag

Flag meaning

00000001

TCP: SYN sent

00000002

TCP: SYN/ACK received

00000004

TCP: waiting for ACK of the server

00000008

all: open connection

00000010

TCP: FIN received

00000020

TCP: FIN sent

00000040

TCP: RST sent or received

00000080

TCP: session will be re-established

00000100

FTP: passive FTP connection will be established

00000400

H.323: belonging to T.120 connection

00000800

connection via loopback interface

00001000

checking concatenated rules

00002000

rule is catenated

00010000

destination is on "local

r

oute"

00020000

destination is on default route

00040000

destination is on VPN route

00080000

physical connection is not established

00100000

source is on default route

00200000

source is on VPN route

00800000

no route for destination

01000000

contains global actions with condition