Utorrent, port fowarding and firewall

By edwardx7
Oct 21, 2010
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  1. For those of you here who know all about Torrents,Torrent servers and Torrent clients I have a problem that doesnt make sense. I have opended the port inside the 2Wire modem for Utorrent and I have Iobit securtiy and Ioboit advanced system care working in the background to portect me from Maleware and other Viruses. Utorrent is reporting after SetupScan that the port is not open which means something is blocking the connection Windows Firewall is off so what else could it be. Port forwarding only pokes a hole in the Firewall and there should be anything stopping an inbound connection! Should I stop everything uninstall Utorrent and Iobot Security and Advanced System Care reinstall it but get the older version of Utorrent instead. Can someone please explain to me what else could this be and give me some other suggestions.
  2. fimbles

    fimbles TS Evangelist Posts: 1,185   +208

    Try turnng off your various firewall/antivirus programs one at a time and run the "speed test" option in utorrent.

    Hopefully this will make the offending program more apparent.
  3. jobeard

    jobeard TS Ambassador Posts: 11,126   +982

    Your understanding appears to be correct, so go through the setup step-by-step to
    be sure it is what you intend.

    1. For port forwarding to work, the ip address for the target system must be static
    2. for a port to appear as "open" two things are necessary
      • the firewall on the server must allow traffic on that/those ports
      • a program must be 'listening' on each port
    details matter.
    some firewalls, even though not active, will still block inbound access. it is better to
    make the FW active and set the rules to ALLOW IN/OUT TCP Port=x,y,a Src_IP=any

    Google for cports; run from an admin account and you will see every program and listing port pair (click on the column name STATE)

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