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How to disable firewall or IP tables on Ubuntu Linux server

Login on the console with a sudo user


Approach 1: Simple

To List UFW (default firewall on Ubuntu) run the following command

$ sudo ufw status verbose


Sample output

Status: active

Logging: on (low)

Default: deny (incoming), allow (outgoing), deny (routed)

New profiles: skip


To                         Action      From

—                         ——      —- 80/tcp        ALLOW IN    Anywhere 80/tcp        ALLOW IN    Anywhere



To disable UFW firewall run the following command


$ sudo ufw disable



Old school Approach


Alternatively, run the following command to list any existing firewall rules


$ sudo iptables -L –n



Sample output


Chain INPUT (policy ACCEPT)

target     prot opt source               destination

ACCEPT     udp  —             udp dpt:53

ACCEPT     tcp  —             tcp dpt:53

ACCEPT     udp  —             udp dpt:67

ACCEPT     tcp  —             tcp dpt:67


Chain FORWARD (policy ACCEPT)

target     prot opt source               destination

ACCEPT     all  —       state RELATED,ESTABLISHED

ACCEPT     all  —

ACCEPT     all  —  

REJECT     all  —             reject-with icmp-port-unreachable

REJECT     all  —             reject-with icmp-port-unreachable


Chain OUTPUT (policy ACCEPT)

target     prot opt source               destination






To stop and Flush all the rules run the following commands


$ sudo iptables -X
$ sudo iptables -t nat -F
$ sudo iptables -t nat -X
$ sudo iptables -t mangle -F
$ sudo iptables -t mangle -X
$ sudo iptables -P INPUT ACCEPT
$ sudo iptables -P FORWARD ACCEPT
$ sudo iptables -P OUTPUT ACCEPT





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