create sample project that shows how to integrate with IPtProxy

[n8fr8]

Info here: https://gitlab.com/guardianproject/iptproxy

Perhaps can also use grote's circumvention API library?

[uniqx]

Briars moat wrapper requires the obfs4_proxy binary to work (see: MoatApi.java#L53, MoatApi.java#L130). So it will not work for IPtProxy without modification.