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Posted

Hi,

sorry, prop. a stupid question - but I was so far not figuring out the answer.

I have a helios64 running - pretty standard installation, including openmediavault and docker, as described on the kobol help page.

I realized that there are some firewall/iptables rules are set, as example:
 

tester@helios64:/etc# sudo iptables -L
Chain INPUT (policy DROP)
target     prot opt source               destination
ACCEPT     all  --  anywhere             anywhere             ctstate RELATED,ESTABLISHED
ACCEPT     icmp --  anywhere             anywhere             state NEW,RELATED,ESTABLISHED
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:http
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:https
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:8384
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:3128
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:1443
ACCEPT     udp  --  anywhere             anywhere             udp dpt:domain
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:domain
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:microsoft-ds
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:netbios-ssn
ACCEPT     udp  --  anywhere             anywhere             udp dpt:netbios-dgm
ACCEPT     udp  --  anywhere             anywhere             udp dpt:netbios-ns
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:ftp
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:49152
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:22000
ACCEPT     udp  --  anywhere             anywhere             udp dpt:1900

Chain FORWARD (policy ACCEPT)
target     prot opt source               destination
DOCKER-USER  all  --  anywhere             anywhere
DOCKER-ISOLATION-STAGE-1  all  --  anywhere             anywhere
ACCEPT     all  --  anywhere             anywhere             ctstate RELATED,ESTABLISHED
DOCKER     all  --  anywhere             anywhere
ACCEPT     all  --  anywhere             anywhere
ACCEPT     all  --  anywhere             anywhere

...

 

What I was not able to figure out is, where these rules come from!?
In openmediafault no firewall rules are set. I also was not able to find any iptables settings in /etc/network, etc. 

 

Anyone an idea where these rules are configured? And with which service they are setup?

 

Thanks!

 

Posted

Armbian has no default iptables rules configured. So all rules are from either Docker or OpenMediaVault.

Posted

Thanks!
Digged a little bi deeper in - the rules are actually mostly from openmediavault, did not realize that there were some set up before!

Thanks to both on you for pointing me in the right direction!

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