[NTLUG:Discuss] use web cam

[Paul Ingendorf]

ip_conntrack_ftp/ip_nat_ftp are the equivalent modules.

in a config like this the ftp thing can usually be resolved with a simple

iptables -A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT

You must have the connection tracking module loaded for this to work.

I would recommend having the following modules loaded manually on a 6.2
setup.  I would also recommend you format and reinstall a different/or newer
distro but that a different issue.

ip_conntrack_ftp
ip_nat_ftp
ip_conntrack

For your further reading enjoyment most of the documentation that
demystifies the black art that is iptables can be found at
http://netfilter.samba.org/ your particular area of interest for this would
be "connection tracking" which basically allows you to forward inbound
packets from a related connection to particular ports, look for this under
the howtos.

-----Original Message-----
From: discuss-admin at ntlug.org [mailto:discuss-admin at ntlug.org]On Behalf
Of Richard Geoffrion
Sent: Monday, November 18, 2002 9:39 PM
To: discuss at ntlug.org
Subject: Re: [NTLUG:Discuss] use web cam


m m <llliiilll at hotmail.com> wrote:
> hi all:
>
> does anyone have used the web cam through linux fire wall?
> I am try to use web cam in one of computer inside firewall,
> and let people in the internet can see it real time, either use
> player or web...
> I use iptables running on RH 6.2 as firewall, what do I need to take
> care to make it work?

You may want to try http://www.videolan.org/ .  As for the firewall
rules...it will vary depending on what ports your particular application
needs.

>
> I also have problem using ftp download to download a file. (http
> download is ok) what do I need to change in config file to make it
> work, too.
>

Is there an ipfwadm/ipchains equivalent to the iptables 'ip_nat_ftp' module
that needs to be loaded?



-Richard


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