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BSN32/Linux STUN Tools to Characterize NAT Behavior

Created June 26, 2023 10:27
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Get information about NAT type and behavior
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Linux STUN Tools to Characterize NAT Behavior
sudo apt-get install stun
sudo stun stun.callwithus.com 0
# output
STUN client version 0.97
running test number 0
Primary: Independent Mapping, Port Dependent Filter, preserves ports, no hairpin
Return value is 0x000017
## STUN server list
https://www.voip-info.org/stun/
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