This is and cut of 0.4 protocol.
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>The servent that is the target of the Push >request (identified by the Servent >Identifier field of the Push descriptor) >should, upon receipt of the Push >descriptor, attempt to establish a new >TCP/IP connection to the requesting >servent (identified by the IP Address and >Port fields of the Push descriptor). If this >direct connection cannot be established, >then it is likely that the servent that >issued the Push request is itself behind a >firewall. In this case, file transfer cannot >take place.



Is this limit fixed by new method on 0.6 version of the gnutella protocol?