firewalls on Linux 2.4.X

firewalls on Linux 2.4.X

[Jerry T]

What firewall is recommended on kernels 2.4.X? Any documentation that I read 
about ipchains refers to version 2.2.X. What about iptables?

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Re: firewalls on Linux 2.4.X

[Joseph Jackson]

Jerry T wrote:

> What firewall is recommended on kernels 2.4.X? Any documentation that I 
> read about ipchains refers to version 2.2.X. What about iptables?
> 
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You will want to use iptables with the 2.4.x kernels.  Iptables is vastly 
greater than the older ipchains and you can find info about iptables here
http://www.ibiblio.org/pub/Linux/docs/HOWTO/other-formats/pdf/Adv-Routing-HOWTO.pdf
and
http://www.tldp.org/HOWTO/Adv-Routing-HOWTO.html

Hope that helps.

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? wireless 802.11b, D-Link DWL-520

[Chuck Gelm]

Howdy, Ladies and Gentlemen newbie guru's"

 I'd would like a wireless (802.11b) link between two hosts:
kernel-2.2.19 (Slackware-7.1) k6-266 
kernel-2.4.17 (Slackware-8.0) 80586x120

 I am installing D-Link DWL-520 PCI cards.

How do I configure the cards, /usr/src/linux/.config ?

How do I set them up for an 'ad-hoc' network?

How do I configure the cards to use one channel among 1 through 6?

Kindest regards, Chuck
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Re: ? wireless 802.11b, D-Link DWL-520

[Richard Adams]

On Sunday 21 April 2002 17:15, Chuck Gelm wrote:

I have mailed this reply to the list as i belive it will be of great interest 
to many others as well.

> I loaded the DWL-520 card and setup CD-ROM into a Win98se workstation
> to look at the configuration parameters.
>
> Mode 	[Infrastructure|802.11 Adhoc]
> SSID	[default]
> TX	[FullAuto|Auto 1 or 2|5.5|11]
> Channel	[1,...,11]
>
> The D-Link web site mentions that the DWL-520 has the
> intersil prism2.5 chipset.
> http://www.dlink.com/products/wireless/dwl520/SpecsTable.htm
>
>  I found
> http://www.linux-wlan.org/ and linux driver
> ftp://ftp.linux-wlan.org/pub/linux-wlan-ng/ \
> linux-wlan-ng-0.1.14-pre2.tar.gz
>
>  The README inside the above tarball mentions the prism2.5 chipset
> and both PCI and PCMCIA drivers.  I'm getting closer.  :-)
>
>  Next I am going to peruse the wlan.conf file as I need to know how
> to select 'AdHoc', and I want to run this device
> under part 97 rather than part 15 FCC rules&regs,
> so I need to know how to select among channel 1 through 6.

I presume you have seen in wlan.conf that it is possable to do what you 
want,?.

As another matter of interest this driver is what i need as well, it supports 
my actiontec hardware. I have a pcmica card and an usb adaptor, both seem to 
be supported. I will experiment with it later on this week.

It would seem that you asked a question and by doing so have solved a problem 
i have been pondering on for some time, as a matter of fact the devices i 
have all work well under windows XP, i did need to flach the pcmica card and 
update the XP drivers tho' after that all was fine.


>
> Thanks, Chuck nc8q
>

73's

-- 
Regards Richard
pa3gcu@zeelandnet.nl
http://people.zeelandnet.nl/pa3gcu/

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Re: ? wireless 802.11b, D-Link DWL-520

[Chuck Gelm]

http://macdaddy.lists.linux-wlan.com/pipermail/linux-wlan-user/2002-April/005488.html

Perhaps some bad news (for me) came from the list.linux.wlan.org.
The D-Link DWL-520 may require a PCI 2.2 compatible motherboard.
:-(

 I see that the Linksys WMP11 is PCI 2.1 compliant, but that may
mean it requires a PCI 2.1 motherboard.  I doubt that the ole
cyrix workstation I am trying to use is either!  The workstation
is a cyrix 80586x120 in a 3C49 motherboard.

:-|

Chuck
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Re: ? wireless 802.11b, D-Link DWL-520

[gel2256@dnaco]

11 megabit radio modem, $100USD

> > http://www.linux-wlan.org/ and linux driver
> > ftp://ftp.linux-wlan.org/pub/linux-wlan-ng/ \
> > linux-wlan-ng-0.1.14-pre2.tar.gz

I've gotten it working with a K6/266 MB and
a K6-2/500 MB:

 I edited wlan.conf (adhoc=y) and moved it to
/etc/wlan.conf
 and moved rc.wlan to
/etc/rc.d/rc.wlan
 The 'make install' didn't place them for me, as advertised. :-|

 Ran
#modprobe prism2_pci
#ifconfig wlan0 up
#/etc/rc.d/rc.wlan start
#ifconfig wlan0 192.168.1.1
/* I'm not to sure of the order :-| */

 I pinged this host from a Win2kpro host:
c:\> ping -n 99 -l 32760 192.168.1.1
 and it indicated an 11 Megabit link with
 ~65k bytes/second.

 I'm wanting to create a community wireless LAN using a water tower
as a passive reflector and hoping for ~5 mile radius of the water
tower.  I am also wanting to use the minimum CPU horsepower for the
wireless<>internet gateway. This is why I'm trying to get a wireless
device working in my old 80586x120. ;-)

Chuck nc8q
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Re: ? wireless 802.11b, D-Link DWL-520

[Richard Adams]

On Sunday 21 April 2002 22:00, Chuck Gelm wrote:
> http://macdaddy.lists.linux-wlan.com/pipermail/linux-wlan-user/2002-April/0
>05488.html
>
> Perhaps some bad news (for me) came from the list.linux.wlan.org.
> The D-Link DWL-520 may require a PCI 2.2 compatible motherboard.
>
> :-(
>
>  I see that the Linksys WMP11 is PCI 2.1 compliant, but that may
> mean it requires a PCI 2.1 motherboard.  I doubt that the ole
> cyrix workstation I am trying to use is either!  The workstation
> is a cyrix 80586x120 in a 3C49 motherboard.

Well at the minute from what i have read i could belive "almost" anything, 
however the device "seems" to me to be older than a motherbaord of that type, 
so i would not stitch too much truth on that statement but who knows ;-)

On another note how does one subscribe to list.linux.wlan.org as i am having 
a lot of fun(troubles) here with my USB device.

>
> :-|
>
> Chuck

-- 
Regards Richard
pa3gcu@zeelandnet.nl
http://people.zeelandnet.nl/pa3gcu/

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ipchains && kernel-2.4.x

[Chuck Gelm]

 I would like to upgrade from kernel-2.2.20 to 2.4.18,
but I don't know how to make 2.4.x use ipchains instead
of iptables.  I'm using Roaring Penguin v3.3 (PPPOE) and
it is set up to use ipchains.  I cannot figure how to
answer "/usr/src/linux#make config"
to let 2.4.x use ipchains.

 My new 802.11b wireless card needs 2.4.x.
 My aDSL (pppoe) wants IPCHAINS (2.2.x).
 I want both!

How do I do it?

Many thanks,
Chuck
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Re: ipchains && kernel-2.4.x

[Richard Adams]

On Wednesday 24 April 2002 00:57, Chuck Gelm wrote:
>  I would like to upgrade from kernel-2.2.20 to 2.4.18,
> but I don't know how to make 2.4.x use ipchains instead
> of iptables.  I'm using Roaring Penguin v3.3 (PPPOE) and
> it is set up to use ipchains.  I cannot figure how to
> answer "/usr/src/linux#make config"
> to let 2.4.x use ipchains.
>
>  My new 802.11b wireless card needs 2.4.x.
>  My aDSL (pppoe) wants IPCHAINS (2.2.x).
>  I want both!
>
> How do I do it?

Easy, choose the correct option while configuringing you new kernel;
Under;
IP: Netfilter Configuration choose;
CONFIG_IP_NF_COMPAT_IPCHAINS=m
You may wish to choose other possablity's as well, its up to you.

Upon starting your new kernel you will need to insmod or modprobe ipchains.o
I belive you use slackware on one of your machines, add a line in 
/etc/rc.d/rc.modules for ipchains, providing of course you use 
/etc/rc.d/rc.modules.
If not you will need to modprobe ipchains before you bring up your interfaces.

>
> Many thanks,
> Chuck

-- 
Regards Richard
pa3gcu@zeelandnet.nl
http://people.zeelandnet.nl/pa3gcu/

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