| Server IP : 49.231.201.246 / Your IP : 216.73.216.149 Web Server : Apache/2.4.18 (Ubuntu) System : Linux 246 4.4.0-210-generic #242-Ubuntu SMP Fri Apr 16 09:57:56 UTC 2021 x86_64 User : root ( 0) PHP Version : 7.0.33-0ubuntu0.16.04.16 Disable Function : exec,passthru,shell_exec,system,proc_open,popen,pcntl_exec MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /usr/share/doc/ufw/ |
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ufw --- On installation, ufw is not automatically enabled. To load the firewall and enable it on boot, run: # ufw enable See 'man ufw' and README for more information. Upgrading --------- It is important to note that to properly support remote users, the firewall will not be automatically restarted during upgrades. After an upgrade, either reboot or perform: # /etc/init.d/ufw restart Please note that the above command will briefly open the firewall before reloading the rules. Preseeding ---------- ufw has support for preseeding. To enable a default deny firewall, add to your preseed file: ufw ufw/enable boolean true And to allow a service, use: ufw ufw/allow_known_ports multiselect SSH, WWW Currently, ufw knows about the following services: Cups # tcp and udp port 631 DNS # tcp and udp port 53 Imap (Secure) # tcp port 993 Pop3 (Secure) # tcp port 995 SSH # tcp port 22 Samba # udp ports 137, 138 and tcp ports 139, 445 Smtp # tcp port 25 WWW # tcp port 80 WWW (Secure) # tcp port 443 You may also add additional ports by supplying a space separated list of services from /etc/services, a port number or a port/protocol combination. Eg: ufw ufw/allow_custom_ports string auth 8080 1194/udp Please keep in mind that these ports and services are not associated with ufw application profiles.