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UFW，或称Uncomplicated Firewall，是iptables的一个接口，为不熟悉防火墙概念的初学者提供了易于使用的界面，同时支持IPv4和IPv6，广受欢迎。 先决条件 任意一台安装有Linux发行版的主机

Firewall for remote machine is configured for SSH restricted access. This works well with IPv4 address. Now the remote machine has IPv6 ...

04.08.2021 · Enable or disable ipv6 on ubuntu ufw netfilter firewall. The /etc/default/ufw file is a high level configuration file, to change default policies, add IPv6 support and kernel modules.. sudo nano /etc/default/ufw. Edit the section in file, change variable IPV6 to no. # Set to yes to apply rules to support IPv6 (no means only IPv6 on loopback ...

03.01.2010 · ufw and ipv6. I had a pretty standard, simple ufw config for my server. Allow some ports (about 3 of them) from everywhere. Deny some ip addresses (about 20). I recently enabled ipv6, and found that nothing would work, until I disabled ufw. Since then, I have tried to get ufw to behave. I set 'IPV6=yes' in /etc/default/ufw.

18.10.2016 · Whenever I run a command like ufw allow 22, ufw automatically adds the firewall rules to both ipv4 and ipv6. If I want to only open a port on ipv4, is there a way to do so? Something like ufw allow 22 proto ipv4.

If your server is configured with IPv6, make sure that your UFW is configured with IPv6 and IPv4 support. To verify it, open the UFW ...

06.09.2020 · Ubuntuのファイアウォール設定に使われる「ufw」は、デフォルトでIPv4とIPv6両方のポートを開きます。 以下は、53番ポートへのアクセスを許可した場合の例です。 $ sudo ufw all...

08.05.2017 · Now, Do either a ufw Disable-then-Enable OR ufw Reload. ufw Disable-then-Enable $ sudo ufw disable $ sudo ufw enable. ufw Reload $ sudo ufw reload. NOTE : A server/system Restart may be required for changes to take effect. Now, Re-add all your existing firewall rules so that the IPv6 rules get added. $ sudo ufw allow proto ipv6 from x.x.x.x

Apr 26, 2013 · Old question, but Google got me here so I think it's worth noting that you could add the IPv6 link-local range with: ufw allow from fe80::/64. If you're connecting across the LAN then the link-local address should get used instead of your global IPv6 address. Share. Improve this answer.

You just have to use the fuller syntax and specify an address (range). ... Change the line that says: IPV6=yes to IPV6=no then restart the ufw service. You can ...

Note: · Edit the section in file, change variable IPV6 to yes. · For disable change the variable to · As the description says the firewall needs to ...

Prerequisites

Ubuntu – How to allow an IP (ipv6) address using ufw. firewalliptablesipv6ufw. I'm using Ubuntu 16.04 LTS, and I want to block all connections except some ...

You might be required to use IPv6 with your firewall. Disable IPv6 support if your system is not configured to use IPv6. To do it edit /etc/ ...

May 08, 2017 · To allow an IP (ipv6) address using ufw First enable the IPv6 in /etc/default/ufw. Probably first 4-5 lines describe what you need to do to have ufw support IPv6. # Set to yes to apply rules to support IPv6 (no means only IPv6 on loopback # accepted). You will need to 'disable' and then 'enable' the firewall for # the changes to take affect.

Aug 04, 2021 · Enable or disable ipv6 on ubuntu ufw netfilter firewall. The /etc/default/ufw file is a high level configuration file, to change default policies, add IPv6 support and kernel modules. sudo nano /etc/default/ufw Edit the section in file, change variable IPV6 to no. # Set to yes to apply rules to support IPv6 (no means only IPv6 on loopback

I want to open my UFW firewall to SSH on port 1234 while denying access to all through port 22. My LAN DNS is resolving to IPv6 addresses and I ...

If you're using IPv6, make sure that UFW is configured to support IPv6, so it can manage the firewall rules to IPv6 and IPv4. To do this, open the UFW ...

To allow an IP(ipv6) address using ufw · Now, Do either a ufw Disable-then-Enable OR ufw Reload. ufw Disable-then-Enable. $ sudo ufw disable $ ...

02.01.2016 · Hi all, I just installed ufw and made some rules :-. Code: Select all. $ sudo ufw enable $ sudo ufw default deny $ sudo ufw allow 80,443/tcp. Now this gives the following :-. Code: Select all. Rule added Rule added (v6) now is there anyway to tell it to NOT add the v6 rules (of course over time v6 will become the new standard and I'll have to ...

Jan 20, 2022 · Thankfully, UFW also comes with support for IPv6. All you need to do is enable the feature from the UFW configuration file. First, open the UFW configuration file in a text editor. To save the changes, the text editor has to be run with sudo privilege: $ sudo vim /etc/default/ufw 1 $ sudo vim / etc / default / ufw

If your VPS is configured for IPv6, ensure that UFW is configured to support IPv6 so that will configure both your IPv4 and IPv6 firewall rules.

Jul 16, 2009 · ufw and ipv6. I had a pretty standard, simple ufw config for my server. Allow some ports (about 3 of them) from everywhere. Deny some ip addresses (about 20). I recently enabled ipv6, and found that nothing would work, until I disabled ufw. Since then, I have tried to get ufw to behave. I set 'IPV6=yes' in /etc/default/ufw.