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I saw this problem last night. $ sudo ufw allow ssh $ sudo ufw enable Didn't affect my current ssh session, but it did cause a significant delay with ssh logins. For example, an ssh login like below would hang for some period of time before (finally) prompting for a password: $ ssh myusername@mydomain.com $ (wait for 40 seconds or longer until...) ...


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Use ufw --force enable You may want to have a look at the Gufw source code, it's written in Python. At least in Ubuntu 14.10 the calls to ufw are in the file gufw/model/ufw_backend.py. You can download the source code using apt-get source gufw


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As ssh uses port 22 by default and I only see port 8880 mentioned in the screenshot. Try the following, sudo ufw allow ssh If you would only want your own IP address access to ssh you could use, sudo ufw allow from xxx.xxx.xxx.xxx to any port 22 Replace xxx.xxx.xxx.xxx with your own IP address. Please check if you have a static IP address and not a ...


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Those packets are igmp packets from the router itself. "The Internet Group Management Protocol (IGMP) is a communications protocol used by hosts and adjacent routers on IPv4 networks to establish multicast group memberships. IGMP is an integral part of IP multicast." I do not use UFW, but in my iptables rule set I have a rule to drop those packets without ...


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Practically this is the same logs. Try with command sudo ufw logging high After that check logs in /var/log/ufw.log


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ufw is considered as a simple frontend for iptables. It does not support all the functionalities provided by iptables and filetering based on matching state of connection is not supported yet. ufw was basically initiated so that any user can understand or edit the basic firewall rules without having to go through the complexities of iptables. You can check ...



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