Firewall Message

Firewall Message

Base Rule

Network Traffic

Network Traffic

Final_reject message

Sub Rule

Network Deny

Traffic Denied by Network Firewall

KERN

N/A

N/A

kernel

<tag1>

<action>

Text/String

IN

<sinterface>

Text/String

OUT

N/A

N/A

MAC

N/A

N/A

SRC

<sip>

IP Address

DST

<dip>

IP Address

LEN

N/A

N/A

TOS

N/A

N/A

PREC

N/A

N/A

TTL

N/A

N/A

ID

<processid>

Number

PROTO

<protname>

Text/String

SPT

<sport>

Number

DPT

<dport>

Number

WINDOW

N/A

N/A

RES

N/A

N/A

SYN URGP

N/A

N/A