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Linux iptables

Published on December 11, 2013

Linux iptables First off all we should set policy for our firewall: iptables -P Example:

iptables -P INPUT ACCEPT

1	iptables -P INPUT ACCEPT

To show current status of our firewall – iptables: NOTE: this doesn’t mean rules are in /etc/iptables.rules file.

iptables --list --line-numbers -n

1	iptables --list --line-numbers -n

Same, but a little shorter:

iptables -L -n --line-numbers

1	iptables -L -n --line-numbers

keys: -n – do not resolv service names -L / –list – lists rules … Continue reading Linux iptables

Load Average This is a short article about Load Average – one of the main parameters, we should monitor running any server. So, what is load average? Load average (la) – is a number of processes that are standing in a queue and are waiting to be executed. Each process that is using or waiting … Continue reading Load Average – LA