![]() etc/ufw/les: rules in these files are evaluated after any rules added via the ufw command etc/ufw/les: rules in these files are evaluated before any rules added via the ufw command etc/default/ufw: high level configuration, such as default policies, IPv6 support and kernel modules to use Fine-tuning ufw and/or adding additional iptables commands not offered via the ufw command is a matter of editing various text files 1: This is achieved by using several sets of rules files, which are nothing more than iptables-restore compatible text files. Eg: $ sudo ufw.cmd enableĪs mentioned, the ufw application is capable of doing anything that iptables can do. On Ubuntu Core, simply replace ' ufw' with ' ufw.cmd'. This sets up a default deny (DROP) firewall for incoming connections, with all outbound connections allowed with state tracking. For example, to enable firewall, allow ssh access, enable logging, and check the status of the firewall, perform: $ sudo ufw allow ssh/tcp ![]()
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