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Is there an issue with setting nf_conntrack_tcp_be_liberal to 1

ht flag

What Security issues or other problems might I have if I set /proc/sys/net/netfilter/nf_conntrack_tcp_be_liberal to 1 instead of 0

My main issue is when I reset UFW my current connection gets dropped. Many peopled have suggested the following

echo 1 | sudo tee /proc/sys/net/netfilter/nf_conntrack_tcp_be_liberal

Which does seem to work, but I don't know what this change will do. Will it in affect cause more issues or open my server to man in the middle attacks or allow hackers around my Firewall rules, etc.

Is it ok to keep it at 1 or should it be set back to 0. If so can you explain why.

Thanks

mangohost

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