allow access from external using iptables

cccc · 02-28-2006, 06:05 PM

hi

I have a Webserver / DNS with Debian Sarge
howto allow access to HTTP, FTP, DNS & SSH from outside (external) for anyone using iptables ?
external interface is eth0

greetings
cccc

pljvaldez · 02-28-2006, 06:15 PM

If you have a gui, use fwbuilder.

If not, check out http://aboutdebian.com/firewall.htm

win32sux · 02-28-2006, 06:16 PM

Quote:

Originally Posted by cccc

howto allow access to HTTP, FTP, DNS & SSH from outside (external) for anyone using iptables ?

you'll need rules for TCP ports 80 (HTTP), 21 (FTP), and 22 (SSH), as well as UDP port 53 (DNS)...

cccc · 02-28-2006, 06:47 PM

thanks, but knows someone any script to show all current iptables roules ?

win32sux · 02-28-2006, 08:05 PM

Quote:

Originally Posted by cccc

thanks, but knows someone any script to show all current iptables roules ?

for the main chains:

Code:

iptables -L

for the NAT table:

Code:

iptables -t nat -L

etc...