New answers tagged nat
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How does UDP NAT Know When To Remove The Rule
If you install conntrack tools you can see the aging of the UDP packets.
E.g.
conntrack -L
udp 17 13 src=8.7.6.5 dst=4.5.6.7 sport=5060 dport=18751 [UNREPLIED] src=4.5.6.7 dst=8.7.6.5 sport=18751 ...
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