I am thinking about trying Synergy over Team Viewer

Discussion in 'alt.windows7.general' started by Metspitzer, Sep 5, 2013.

  1. Metspitzer

    Metspitzer Guest

    I have a spare computer that I log onto using Teamviewer. One of the
    biggest disadvantages of TeamViewer is that when the network is down,
    I can't access a computer that is sitting 6 inches away.

    Anyone using Synergy? What are the downsides?
    Metspitzer, Sep 5, 2013
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  2. Metspitzer

    Metspitzer Guest

    That should be...........when the Internet is down.
    Metspitzer, Sep 5, 2013
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  3. Metspitzer

    Ed Cryer Guest

    You need two monitors with Synergy.
    I use a KVM switch with just one monitor.

    Ed Cryer, Sep 5, 2013
  4. Metspitzer

    s|b Guest

    I'd use UltraVNC. You let it start up as a service on your spare
    computer and login (directly) when needed. Traffic will be limited to
    your local network so you don't need the Internet.
    s|b, Sep 5, 2013

  5. If you are just trying to run two computers from 1 keyboard and mouse I
    use Input Director with great success. This is only for local use and
    not remote from another location.
    Bill Bradshaw, Sep 5, 2013
  6. Metspitzer

    Char Jackson Guest

    You already have Remote Desktop available. No need to install extra
    Char Jackson, Sep 6, 2013
  7. Metspitzer

    VanguardLH Guest

    The purpose of TeamView (and LogMeIn and mikigo and other remote access
    tools) is to provide the IP lookup to find the target host. They then
    perform the initial connect but pass it off to the end points. They
    mostly help you find the target host. You could do the same with DynDNS
    and other DDNS (dynamic DNS) providers that let you assign a hostname
    with them that will send to the source host your IP address so it knows
    where to connect. Of course, if you have a static IP address then you
    don't need these lookup services. If the static IP address is for the
    WAN-side of a router, you'll have to configure your router to forward
    the connects to it on a specific port to your intranet host.

    Various VPN variants still work but require you to punch an inbound
    connection through your router or firewall. The outbound connects by
    TeamView, LogMeIn, etc aren't blocked so connections back to them are
    also not blocked. This is why your web browser can connect to a site
    and that site can send packets back to you.

    You can also use Remote Desktop already in Windows 7 (but you'll still
    have to punch holes in the router's firewall or your own software
    firewalls if not using the one included in Windows).
    VanguardLH, Sep 6, 2013
  8. Per VanguardLH:
    I find that to be a significant benefit of TeamViewer: being independent
    of DynDNS. Every so often I manage to foul up my DynDNS addresses and
    it is a big time/mileage saver to be able to connect to the problem site
    via TeamViewer and reset the DynDNS address.
    (PeteCresswell), Sep 6, 2013
  9. Metspitzer

    VanguardLH Guest

    DynDNS used to have free accounts (which, as I recall, limited you to a
    maximum of 2 host lookups). Then they reduce it to allow a maximum of
    only 2 hostname lookups. Then signup for free accounts ended but you do
    a trial. Start a trial, terminate it, and as a reward you get the
    limited free account. Apparently they killed that trick so you no
    longer get a reward for trying their trial. Another trick (if it still
    works) is noted at:


    It used to be that all you needed to update your free account to keep it
    from being idle too long and expiring to get deleted was to use their
    local DNS updater client. Their client would login and update your
    account to reflect your current IP address. That login kept alive your
    free account. As I recall, they changed that and now you have to
    separately login to their web site to keep alive your free account.

    Getting and keeping a free DynDNS account became too much a nuisance. I
    had a grandfathered account (mine existed before they started farking
    over signup for free accounts) but let mine perish by removing their DNS
    updater client and let my account languish until it idle expired and got

    TeamViewer, LogMeIn, Mikogo, etc., require cooperation at both
    endpoints. The advantage with DDNS was being open ended: you setup your
    end and then anyone could connect to it, like operating your own web
    server using one of their courtesy hostnames. With a free DDNS account
    and a free hostname (so you didn't have to pay a registrar for a domain
    name), you could run a web server accessible by that hostname. Other
    parties didn't have to go through any handshaking as is required by
    Teamviewer and its ilk.

    No-IP.com (www.noip.com/services/managed_dns/free_dynamic_dns.html)
    still has free DDNS service, so if I need a DDNS setup then I'll look at
    using them. Alas, it looks like No-IP only gives you one choice for the
    domain (.no-ip.info) used with your hostname (<yourhost>.no-ip.info).
    VanguardLH, Sep 7, 2013
  10. Per VanguardLH:
    It's getting old for me - and eventually I'm going to forget or get sick
    or something and my two freebie accounts are going to go "Poof!".

    But I'm kind of resigned to it and, what the heck... the guys at DynDNS
    have to make a living... so I'm not all that averse to giving them
    twenty-five bucks a year.

    But even after I switch over to a Paid account, I will still inevitably
    mess up the occasional IP address. Historically, moving a PC from one
    location to another and forgetting to change the instance of DynUpdater
    that's running on it has been the most common means.
    (PeteCresswell), Sep 7, 2013
  11. Are you are aware that you can use Teamviewer over the local network
    as well? You don't need internet access for that. You just have to
    enable it under Options. There is a setting for 'Incoming LAN
    connections': Deactivated, Accept or even Accept Exlusively. With the
    latter setting, nobody from outside your LAN can connect to it. So, if
    you only use that spare machine locally, that option would perfectly
    suit your needs. You access the spare machine by entering its LAN IP
    Ton van Vliet, Sep 7, 2013
  12. Metspitzer

    s|b Guest

    Tnx! I did not know that!
    s|b, Sep 7, 2013
  13. Per s|b:

    But it begs a question: is the TeamViewer connection across a WAN
    secure? Somewhere I read that TeamViewer was approved for use in the
    German banking industry and extrapolated that to it's being reasonably
    secure. ??
    (PeteCresswell), Sep 7, 2013
  14. Metspitzer

    VanguardLH Guest


    More than you want to know. More than you may be able to understand.
    The conclusion is to NOT use TeamViewer's default passcode and instead
    specify your own much longer one. This really should not be much of a
    surprise. You should even be changing the default password on your
    router from its factory-time default to thwart malware that deposits on
    your host and then accesses your router to changes its DNS server config
    to point at the malicious DNS servers instead of the one normally
    assigned via DHCP by your ISP to your router.

    So, as always, use STRONG passwords and the longer the better. Don't
    use defaults. Always use the installer from TeamViewer (and use HTTPS
    to connect there and hope your DNS server hasn't been poisoned or you
    haven't been subject to a DNS changer malware), not from some 3rd party.

    Then there's the malware that likes how TeamViewer works to usurp it as
    a backdoor for nefarious purposes. See:


    Alas, despite the higher probability that Usenetizens employ anti-virus
    software and keep it updated, there is a large number of boobs using
    computers as appliances, like washing machines, and never update them
    nor install [better than bundled] anti-virus software.

    And now for the conspiracy theorists ...

    TeamViewer must comply with the laws of Germany. Germany's BND
    (http://en.wikipedia.org/wiki/Bundesnachrichtendienst) cooperates with
    the NSA since they have similar and intertwined interests; see:


    Then have a read of:


    Even if TeamViewer did indeed eliminate any backdoor and keep it that
    way, and even if they aren't ordered to provide some mechanism for
    spying by BND, maybe the NSA can still spy on you once they determined
    you are a target of interest (and expenditure). For its intended use,
    TeamViewer is safe enough. For subversive activities, eh, plus don't
    expect this community to care about helping or protecting such users.
    VanguardLH, Sep 7, 2013
  15. Metspitzer

    Juan Wei Guest

    VanguardLH has written on 9/6/2013 8:01 PM:
    It's possible to set up a person's Teamviewer or LMI software so that
    cooperation is not needed. I.e., you have access to that computer
    without the owner having to be present.
    Juan Wei, Sep 7, 2013
  16. Per Juan Wei:
    That is the way I have most of mine set up.

    Pick a PC from TeavViewer's list, click the button and Shazam!... I'm
    connected. Seems to take less than a second.

    I suspect it is also part of the reason that one of my clients' IT
    department won't let TeamViewer on any of their PCs.
    (PeteCresswell), Sep 9, 2013
  17. Per VanguardLH:
    My biggest anxiety with TeamViewer use is my own carelessness.

    I worry that I will forget and leave a PC's TeamViewer logged into my
    account or, worse yet, leave it with the TeamViewer auto-login/remember
    password option set.
    (PeteCresswell), Sep 9, 2013
  18. Metspitzer


    May 18, 2016
    Likes Received:
    Havent tried Synergy. Will try and let you know. In the mean time you may try R-HUB remote support servers.
    James_roger, May 18, 2016
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