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A query about interfaces



Hi,

I installed firehol package from unstable yesterday. The defaul configuration
allows everything in. So I went through the tutorial on the firehol homepage.
When I issued the "ip link show" command, I found the following:

------------------------<output>------------------

ajitabhp@fimbles:~ $ ip link show
1: lo: <LOOPBACK,UP> mtu 16436 qdisc noqueue
   link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eth0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 1000
   link/ether 00:06:5b:12:66:d4 brd ff:ff:ff:ff:ff:ff
3: sit0: <NOARP> mtu 1480 qdisc noop
   link/sit 0.0.0.0 brd 0.0.0.0
------------------------</output>------------------
	    

Now I just have one eth0 card on my machine and that is connected to the
D-link router which in-turn is connected to the broadband modem. What I am
not able to understand is the sit0 interface, what is that? Any quickies on
the /etc/firehol/firehol.conf file.

Regards.
-- 
Ajitabh Pandey
http://www.geocities.com/ajitabhpandey
ICQ - 150615062
Registered Linux User - 240748
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:
####[ GNU/Linux One Stanza Tip (LOST) ]#######################

Sub: Displaying environment variables                LOST #684

Following command will show all globally exported environment
variables for your local system:
$ export -p

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