On 3/12/2011 5:55 AM, Tom H wrote:
On Sat, Mar 12, 2011 at 5:06 AM, Andrei Popescu
<andreimpope...@gmail.com> wrote:
On Vi, 11 mar 11, 14:56:42, Michael Friendly wrote:
- Do I have to install/enable the rules from iptables for ssh,
samba, etc within ufw?
First you need to find out exactly how the iptables rules are loaded.
Could be via /etc/rc.local a dedicated script in /etc/init.d/ or
something else (is package iptables-persistent also in Ubuntu?). Do not
try to use ufw until you know exactly how the current iptables rules are
loaded and you know for sure you can disable them!
Check "/etc/network/if-pre-up.d/" and "/etc/network/if-up.d/" too.
And, if you're using Network Manager, there *may* be other directories
to look into.
OK, I found /etc/network/interfaces contains the line
pre-up /etc/iptables
and /etc/iptables contains the rules. But I'm not sure what to do now,
either with iptables or ufw. If ufw works via iptables, can I just
enable ufw now without danger? How can I enable me to use use ssh from
home?
For example, there is currently one rule allowing me to ssh from a PC in
my office
iptables -A INPUT -s 130.xxx.xxx.xx/32 -p tcp --destination-port 22 -j
ACCEPT
I can mimic this for another PC (e.g., in my lab), but I'd like to be
able to use ssh from home, where I don't think I have a fixed IP address
from my service provider.
--
Michael Friendly Email: friendly AT yorku DOT ca
Professor, Psychology Dept.
York University Voice: 416 736-5115 x66249 Fax: 416 736-5814
4700 Keele Street Web: http://www.datavis.ca
Toronto, ONT M3J 1P3 CANADA
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