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Tuesday, January 22nd, 2002

Time Event
iptables process?
echo >&2 "
Hey all...quick question...

I'm rewriting my modular iptables script(s) and am wondering something. Currently, when I stop the script (# firewall stop), it just flushes all the tables. What if I want to stop iptables altogether? A ps aux listing doesn't show anything that hints me to iptables except for inetd. Is there a specific way to kill or turn off iptables altogether?

Basically, I'm going to include an option "flush" to flush the tables from the script, and "stop" will shut down all gateway/nat/masquerading on the box altogether. Sort of an emergency network lockdown feature. Any ideas?

Thanks in advance!

. /home/drchase/.signature

Current Mood: inquisitive
Hullo, new here.
Hi. I'm new here.. Never used Linux before, but I've heard a lot about it. I have a book about it and stuff, seems really interesting.

Anyway. I'm at school now, and my teacher asked me to ask you guys for help.

You see, we have the computer lab networked through Red Hat 7.0 Linux. We have it only and stuff and we're really not having too much trouble with that (except little error messages about passwords and such, but I don't think that has to do with Linux). The computers all use the same printer that is hooked up to the computer with Linux. That's what we're having problems with. It prints sometimes and sometimes doesn't. There's an error message that comes up or something. I've never gotten it, so I don't know exactly what it says. But if you click cancel, it'll mess up and not print ANYTHING for that row of computers until she goes in and manually fixes it with Linux.

If any of you know why it's doing this, or even know of a different (and better) distro she should use, leave a comment or something. It would be muchly appreciated by all.


Current Mood: aggravated
FTP question
I have several little issues following the deployment of a new server (RedHat 87.2).

A key one is a problem with FTP.

If I ftp from that host to another... no problem. Works like a charm.

When I ftp to that host (from either my internal 192 network or from the outside) it (ftp) lets me authenticate my user but when I issue a command (i.e. ls or put) the prompt respods with;

ftp> put test.txt
local: test.txt remote: test.txt
227 Entering Passive Mode (206,191,28,136,94,176)

and just hangs there.... dead... If I wait about 2 minutes the connection will time out.

Some background. I'm using IPTABLES (via the firewall.sh) script... but from what I can tell, the rules are open for FTP. and if they were closed... why would I be able to authenticate?

Any ideas?
in redhat version less than 7.2 I could use;

FORWARD_IPV4=true in /etc/sysconfig/network

and on boot /proc/sys/net/ipv4/ip_forward would be populated with a 1

Now, in 7.2 I do the same thing but the proc file remains a 0 and I have to manually alter it to enable ip forwarding...

grrrrr! where do you set ip_forwarding?
"Hello," said the newbie..
::waves:: Hi all, I just joined. I've been using Linux for....a while now.. (less than a year, more than 6 months) but meh, I still haven't grasped all of its oddities. Doubt I ever will, for that matter ^^ But anyway, I have a quick question.

I just looked through the last issue of Linux Journal (okay, okay..I admit! It was my dad's copy - I am not leet enough to have my own, lol) and there's a li'l Tech Tip thingy about things you can do to a Mozilla file called user.js...to specify things like minimum font size, or whether popups are enabled or whatever.

Most of this stuff I guess can be done using CSS, but I liked

which blocks popups only while the page is loading. Then if a site runs entirely in a popup (which I hate, btw) you can still make THAT popup...well, pop.

Anyway! This explanation has gotten longer than neccessary. My question is: where can I find more user.js tricks for Mozilla?

PS. I checked the website they linked to (http://www.mozilla.org/unix/customizing.html) for those who haven't seen this yet...the site *does* say there could be more useful thingamajiggies..so...anyone know? ^^

Current Mood: curious

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