ios - CFSocketCreate accept call back failed -


i have existing application creates tcp connection when application build xcode 7, not when created in xcode 8. while using cfstreamcreate create session not getting kcfsocketacceptcallback. tcpserver https://developer.apple.com/library/content/samplecode/minisoap/listings/tcpserver_m.html being used.

ipv4 = cfsocketcreate(kcfallocatordefault, pf_inet, sock_stream, ipproto_tcp, kcfsocketacceptcallback, (cfsocketcallback)&tcpserveracceptcallback, &socketctxt);

i have come across articles saying ios 9.0 require servers comply app transport security creating http connections devices. valid connections created using cfsockets also? (from here: cfnetwork sslhandshake failed ios 9)

i have included "nsallowarbitraryloads" in info.plist. testing purposes, have added domain(this value dynamic) in nsexceptiondomains well. still didn't work.

currently server has certificates tlsv1. can establish connection successfully?

thanks in advance.


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