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Activate iptables tracing
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| Basically follow https://www.opsist.com/blog/2015/08/11/how-do-i-see-what-iptables-is-doing.html with some modifications: | |
| ```sh | |
| $ sudo modprobe ipt_LOG | |
| $ sudo modprobe nf_log_ipv4 | |
| $ cat /proc/net/netfilter/nf_log | |
| 0 NONE () | |
| 1 NONE () | |
| 2 nf_log_ipv4 (nf_log_ipv4) | |
| 3 NONE () | |
| 4 NONE () | |
| 5 NONE () | |
| 6 NONE () | |
| 7 NONE () | |
| 8 NONE () | |
| 9 NONE () | |
| 10 NONE () | |
| 11 NONE () | |
| 12 NONE () | |
| ``` |
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