Questions tagged [iptables]
Iptables is used to set up, maintain, and inspect the tables of IP packet filter rules in the Linux kernel.
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How can I fix the iptables error message "unable to initialize table 'filter'"?
When I try to use iptables command on one of my Rackspace cloud server, I'm getting the following error.
In an attempt to apply iptables rules with iptables-apply -t 120 /etc/iptables.rules and ...
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2
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What are fail2ban's log iptables "returned NNN" entries? (Fail2ban is failing to ban)
In my fail2ban.log there are some entries the meaning of which I don't understand (and haven't found searching around)...
I have several "jails", and I have created one particular one that bans IP's ...
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How can I block ping requests with IPTables?
and stealth specific ports?
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Reloading iptables
I made changes to iptables config file in /etc/iptables/filter in Ubuntu and want to reload them. I read the man page and also googled but couldn't find the information. Any help will be appreciated.
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iptables rule to force all browsers to use proxy
I have installed squid as my proxy server in Ubuntu 10.04 standalone system which has a single NIC. Why i have installed Squid in a standalone system is because of my friends who uses my system to ...
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Weird issue with iptables redirection
I am trying to redirect all incoming traffic on UDP port 5060 to port 56790, and all outgoing traffic from 5060 to the port 56789. I used these iptables rules:
iptables -t nat -I PREROUTING -p udp ! -...
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iptables allow dyndns domain name and auto update rules
I have registered with dyndns domain for my dynamically changing public ip address to use with iptable rules. On a server I've allowed some ports for this domain in the iptables configuration like the ...
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iptables & nmap on ubuntu
The following are my iptable rules on a ubuntu cloud server:
cat /etc/iptables.rules:
*filter
:INPUT DROP [598:41912]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [456:35354]
-A INPUT -i lo -j ...
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GUI for iptables?
I would like to secure my server and it seems that IPtables is one of the first steps. Unfortunately editing the rules in a terminal is a bit complicated and dangerous (those who ever did an iptables -...