Wine - YnHub port problem

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http://askubuntu.com – I host a hub(using Ynhub) on windows with port I want to continue the hub on ubuntu. I couldn't find ynhub software for linux. So I tried opening it with wine. But hosting ports more than 1023 only works. It shows up this error if i tried to host with port 511 : Failed to start listening on port 511, port may be inuse and same errors respectively for all ports less than 1024. Can I do anything to host my hub(using Ynhub) with 511 port?? Otherwise I will have to lose all my users :( Please help!!!! (HowTos)