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DESCRIPTION
Little Snitch alerts you to outgoing network connections.

A firewall protects your computer against unwanted guests from the Internet. But who protects your private data from being sent out? Little Snitch does!

As soon as you're connected to the Internet, applications can potentially send whatever information they want to wherever they want.

Sometimes they do this for good reason, on your explicit request. But often they don't. Little Snitch allows you to intercept these unwanted connection attempts, and lets you decide how to proceed.

Little Snitch informs you whenever a program attempts to establish an outgoing Internet connection. You can then choose to allow or deny this connection, or define a rule how to handle similar, future connection attempts. This reliably prevents private data from being sent out without your knowledge. Little Snitch runs inconspicuously in the background and it can also detect network related activity of viruses, trojans and other malware.

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WHAT'S NEW
Version 2.2.4:
  • Improved support of restoring from a backup system like Time Machine.
  • Improved automatic IP address update of hostname based rules.
  • The Connection Alert panel adjusts its size to fit long application names.
REQUIREMENTS
Mac OS X 10.4 or later.
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SCREENSHOT

Developer:Objective Development Software GmbH
Downloads:521,443
  - Version d/l:9,068
Utilities:Security
License:Demo
Date:12 Jul 2010
Platform:PPC/Intel
Price:$29.95
RATING
****½

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    Little Snitch User Reviews (289 posts)Write A Review
    sort: smiles | time
    Aug 15 2010

    PORKPIEHAT  Is anyone having the problem with Little Snitch that it keeps allowing callouts from apps and/or system processes that had a rule to DENY callouts? I know LS inside and out and am absolutely positive that it's setup correctly, so it's definitely not human error. Nevertheless, it keeps letting the system process mach_kernal (which is known to LS as Mac OS X Kernal) callout even though just this morning I set up a rule to block it, then checked again tonight with the same result.

    D'oh, there it goes again!

    I'd like to know whether others are having this problem, or just me.

    Thanks.   
    (Version 2.2.4)

    praisebury
    +1
    [ Reply ]
    Aug 6 2010

    JOHN QUINN  Is there any way to be notified about updates? I can't find the setting in the preferences, and I only get updates when I stumble upon them every now and then.  
    (Version 2.2.4)

    praisebury
    +1
    [ Reply ]
    Jul 13 2010
    *****

    HARV  Just get better, and better, and better.

    I can't comment re the responsiveness of the developers; I never had a complaint or needed their assistance.  
    (Version 2.2.4)

    praisebury
    +2
    [ Reply ]
    Jul 13 2010

    CORPSECORPS  Only half a million total downloads?!

    Who would want to be without this?  
    (Version 2.2.4)

    praisebury
    +5
    [ Reply ]
    Jul 12 2010
    *****

    DONMONTALVO  Updated, no issues. Little Snitch continues to be one of the premiere MUST HAVE solutions for Mac.

    Don  
    (Version 2.2.4)

    praisebury
    +4
    [ Reply ]
    Jun 15 2010

    2KTZ  do you have to un-install the old version before updating?  
    (Version 2.2.3)

    praisebury
    0
    [ 1 Reply - Reply ]
    Replies:
    Jun 15 2010

    MISHA  no  
    (Version 2.2.3)

    praisebury
    +1

    Jun 10 2010
    *****

    DSPENCER3491  Excellent security software on a secure OS. What more could a person ask for. PC firewalls like ZoneAlarm can kiss it  
    (Version 2.2.3)

    praisebury
    +2
    [ Reply ]
    May 31 2010

    LIBERTYFORALL1776  Little Snitch UIAgent is STILL not 64-bit -- so when is 64-bit due for this component in the roadmap?   
    (Version 2.2.3)

    praisebury
    -1
    [ 2 Replies - Reply ]
    Replies:
    Jul 12 2010

    HOLYPOLY  Look who's back.

    ...

    SIGH...  
    (Version 2.2.4)

    praisebury
    0
    Jul 13 2010

    ST00P!D M0NK3Y  Hmm... who cares? It may never be 64-bit. And it doesn't really need to be either. It's not like it's doing massively CPU intensive processes that require extra coding languages to take on the pain-staking process of... blocking some IPs and such here and there..

    OMGZ ITzZzZ NAWT 64-BIT LOL, OMGZ. Seriously, go away.  
    (Version 2.2.4)

    praisebury
    0

    May 13 2010

    SAJDAK70  I've got problems with Little Snitch from the time when version 2.2 was released. Alert monitor is like a neverending story - occurs with same dialogue periodically after cca 30 s when disappears.  
    (Version 2.2.3)

    praisebury
    0
    [ Reply ]
    May 12 2010
    *****

    KOBALT  Little Snitch in conjunction with NetBarrier (no longer developed, but still very much functional) makes a fine team to stop just about any unwanted traffic out and in (in that order). The MacOS is a great platform, but apps like these make it even better!

    I wouldn't be (and haven't been for years) without Little Snitch and highly recommend it to everyone with even the slightest worry about internet security.  
    (Version 2.2.3)

    praisebury
    +6
    [ Reply ]
    View all 289 posts >>