About attacks from internet

Discussion in 'other firewalls' started by Oximoronman, Aug 23, 2014.

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  1. Oximoronman

    Oximoronman Registered Member

    Jun 7, 2013
    Hello I have Ubuntu, and I installed Firestarter firewall.It found for 45 minutes 6-7 attacks, most from China and Turkey and blocked it. Should I worrield about that? And Linux also is not safe without security software. Many said to me before, hah Linux, no security need, it automatically hide ip ports and no one can attack.
  2. Minimalist

    Minimalist Registered Member

    Jan 6, 2014
    If you have router with NAT or SPI firewall you should be fine. Those "attacks" are probably just port scans or something similar.
  3. Brummelchen

    Brummelchen Registered Member

    Jan 3, 2009
    stupid portscans or torrent relicts for the previous owner of your ip. dont care and get a descent router.
  4. Gullible Jones

    Gullible Jones Registered Member

    May 16, 2013
    [Disclaimer: I am not a network security export. Don't assume I'm correct.]

    I wouldn't advise using Firestarter, it is badly designed (can only cover one interface at a time!) and no longer developed. Ubuntu already comes with a firewall called UFW (just run 'sudo ufw enable').

    @hqsec, if he's seeing those port scans then he's not behind a router I'd imagine... A router or firewall would stop such things.

    @Oximoronman, 6-7 scans in 45 minutes is an unusually low number. My old-laptop-turned-router got more more than 30 in the last hour or so.

    I don't believe there's much danger if you're not running any listening services. But if you are running Samba or SSH, or other services that expose ports, you might have a problem.

    Client side attacks are another matter entirely. Linux applications are vulnerable to them just like Windows ones. Self-installing Linux malware is quite rare though (at least for now).
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