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1

No, iptables does not support jitter simulation.


1

Try. Change pleases of ip and port sudo iptables -A INPUT -s 2.2.2.2 -p tcp --dport 2049 -j ACCEPT


1

As well as the NFS port itself (port 2049), I think you will need to open the portmapper service port (111). I'm not smart enough to use iptables directly, so I would use ufw for this. You can restrict the allowed network range using CIDR addressing e.g. sudo ufw allow from 192.168.1.0/24 to any port 111 If that still doesn't work, you may need to ...



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