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Security of your pi (and lan): iptables vs nftables
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Security of your pi (and lan): iptables vs nftables
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23rd Nov, 2019, 08:04 PM
Post: #1
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Security of your pi (and lan): iptables vs nftables
This is just something I want to share since it affects the security of your raspberry pi and probably your LAN too...
I found out after upgrading to Buster that iptables was no longer working. (I am using iptables in combination with fail2ban) It seems that by default it has been changed to nft (iptables-nft) in Buster. Fortunately you can still use the 'old' iptables (or you can decide to use and reconfigure stuff with nft). This shows the available options: # update-alternatives --list iptables /usr/sbin/iptables-legacy /usr/sbin/iptables-nft With following command you can choose the legacy (old) iptables selecting 1: # update-alternatives --config iptables There are 2 choices for the alternative iptables (providing /usr/sbin/iptables). Selection Path Priority Status ------------------------------------------------------------ 0 /usr/sbin/iptables-nft 20 auto mode * 1 /usr/sbin/iptables-legacy 10 manual mode 2 /usr/sbin/iptables-nft 20 manual mode Press <enter> to keep the current choice[*], or type selection number: 1 |
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24th Nov, 2019, 11:17 PM
Post: #2
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RE: Security of your pi (and lan): iptables vs nftables
There are only 10 types of people in the world: those who understand binary, and those who don't |
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25th Nov, 2019, 01:08 AM
Post: #3
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RE: Security of your pi (and lan): iptables vs nftables
I already did this, but thanks for posting anyway
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16th Mar, 2023, 12:09 PM
Post: #4
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RE: Security of your pi (and lan): iptables vs nftables
Nice, but I already tried this. Thanks for publishing anyhow.
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