[SR-Users] nat_uac_test(8)

Daniel Tryba d.tryba at pocos.nl
Thu Mar 22 18:13:31 CET 2018


On Wed, Mar 21, 2018 at 11:05:15AM -0400, Sergiu Pojoga wrote:
> When receiving an INVITE over a specific LTE carrier, I'm seeing 'c=IN IP4
> 192.0.0.4' in SDP, which isn't technically a RFC1918 or RFC6598 IP address
> and thus nat_uac_test(8) fails.

Looking at the table at the bottom of
https://www.iana.org/assignments/iana-ipv4-special-registry/iana-ipv4-special-registry.xhtml

Should't the check be updated to include 192.0.0.0/29?

It is explicitly defined for NAT and has the exact same properties as
RFC1918 and RFC6598 addresses.



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