Typically software that runs to prevent network traffic from reaching a computer. Also a hardware device that works on a network level rather than running on a single computer.
7
votes
2answers
919 views
Can I block ports in Hotspot mode?
I would like to block ports when using my iPhone 4 (iOS 5.0 jailbreaked) as a hotspot.
The reason is I don't want my backup program, computer updates or any high bandwidth usage tool to be able to ...
3
votes
1answer
516 views
How can I restrict Mac sharing services to a specific network/adapter?
I want is to set up a Mac to connect to multiple networks. So far, so good. However, I only want to grant AFP access to users on ONE of the networks, but not the other. How can I accomplish this on ...
3
votes
3answers
7k views
How to restrict “Remote Login” (ssh) access to only certain IP ranges?
Can someone please tell me how to restrict SSH access only to certain IP ranges (e.g. local network) and not the whole Internet? I guess this has to be done via firewall.
6
votes
1answer
418 views
Always Asked to Configure Firewall for iTunes
Whenever I open iTunes, I get the standard OS X dialog, Do you want the application "iTunes.app" to accept incoming network connections?
Every time I click allow, but I am asked the same thing without ...
7
votes
1answer
2k views
How to get rid of firewall “accept incoming connections” dialog?
I've accepted this so many times that firewall should already remember it.
For example, I get it for Eclipse when starting my java programs in debugging mode ... sometimes this dialog is displayed ...
2
votes
3answers
2k views
Questions about how Internet Sharing works
A simple checkbox and a menu allow you to share your internet connection (no matter which interface you get it on) with any other interface (theoretically).
But, the guts of this is a little ...
9
votes
2answers
2k views
Reasons to prefer Little Snitch over the built-in firewall
Every now and then I browse through software you must have on your mac type lists and more often than not somebody mentions Little Snitch as a must-have application.
Now what I think that many people ...
2
votes
0answers
117 views
Mountain Lion firewall is randomly delaying DNS requests
I recently experienced some delays during DNS host resolution on OS X 10.8. To test it I started a simple script which tries to repeatedly resolve the same hostname 20 times:
#!/bin/sh
for i in `seq ...
