/usr/include/orbsvcs/SSLIOP/ is in libtao-orbsvcs-dev 6.0.1-3.
This file is owned by root:root, with mode 0o755.
..
/usr/include/orbsvcs/SSLIOP/IIOP_SSL_Acceptor.h
/usr/include/orbsvcs/SSLIOP/IIOP_SSL_Connection_Handler.h
/usr/include/orbsvcs/SSLIOP/IIOP_SSL_Connection_Handler.inl
/usr/include/orbsvcs/SSLIOP/IIOP_SSL_Connector.h
/usr/include/orbsvcs/SSLIOP/IIOP_SSL_Transport.h
/usr/include/orbsvcs/SSLIOP/SSLIOP_Accept_Strategy.h
/usr/include/orbsvcs/SSLIOP/SSLIOP_Acceptor.h
/usr/include/orbsvcs/SSLIOP/SSLIOP_Acceptor.inl
/usr/include/orbsvcs/SSLIOP/SSLIOP_ClientCredentials.h
/usr/include/orbsvcs/SSLIOP/SSLIOP_Connection_Handler.h
/usr/include/orbsvcs/SSLIOP/SSLIOP_Connection_Handler.inl
/usr/include/orbsvcs/SSLIOP/SSLIOP_Connector.h
/usr/include/orbsvcs/SSLIOP/SSLIOP_Credentials.h
/usr/include/orbsvcs/SSLIOP/SSLIOP_Credentials.inl
/usr/include/orbsvcs/SSLIOP/SSLIOP_CredentialsAcquirer.h
/usr/include/orbsvcs/SSLIOP/SSLIOP_CredentialsAcquirerFactory.h
/usr/include/orbsvcs/SSLIOP/SSLIOP_Current.h
/usr/include/orbsvcs/SSLIOP/SSLIOP_Current.inl
/usr/include/orbsvcs/SSLIOP/SSLIOP_Current_Impl.h
/usr/include/orbsvcs/SSLIOP/SSLIOP_Current_Impl.inl
/usr/include/orbsvcs/SSLIOP/SSLIOP_EVP_PKEY.h
/usr/include/orbsvcs/SSLIOP/SSLIOP_Endpoint.h
/usr/include/orbsvcs/SSLIOP/SSLIOP_Endpoint.inl
/usr/include/orbsvcs/SSLIOP/SSLIOP_Export.h
/usr/include/orbsvcs/SSLIOP/SSLIOP_Factory.h
/usr/include/orbsvcs/SSLIOP/SSLIOP_Invocation_Interceptor.h
/usr/include/orbsvcs/SSLIOP/SSLIOP_ORBInitializer.h
/usr/include/orbsvcs/SSLIOP/SSLIOP_OpenSSL_st_T.cpp
/usr/include/orbsvcs/SSLIOP/SSLIOP_OpenSSL_st_T.h
/usr/include/orbsvcs/SSLIOP/SSLIOP_OpenSSL_st_T.inl
/usr/include/orbsvcs/SSLIOP/SSLIOP_OwnCredentials.h
/usr/include/orbsvcs/SSLIOP/SSLIOP_Profile.h
/usr/include/orbsvcs/SSLIOP/SSLIOP_SSL.h
/usr/include/orbsvcs/SSLIOP/SSLIOP_TargetCredentials.h
/usr/include/orbsvcs/SSLIOP/SSLIOP_Transport.h
/usr/include/orbsvcs/SSLIOP/SSLIOP_Util.h
/usr/include/orbsvcs/SSLIOP/SSLIOP_X509.h
/usr/include/orbsvcs/SSLIOP/params_dup.h
/usr/include/orbsvcs/SSLIOP/ssl_endpointsC.h
/usr/include/orbsvcs/SSLIOP/ssl_endpointsS.h