[colug-432] TCP port "permission denied" on rooted Android

[Rob Funk]

On Sunday, December 01, 2013 04:55:49 PM Rick Troth wrote:
> Finally rooted my Droid X. Am running a 'chroot' Debian. Making
> progress. Need to install CM soon. (Basically putting off the latest
> Verizon/Googoo update 12 hours at a click. I don't want it.)

What version of Android does it have?

> Have been unable to make outbound TCP connections from non-root. For
> some of my experiments, this is a stow shopper. Ever heard anything like
> this? Not just low ports, any. And this is outbound so I would think it
> doesn't matter. (Or are clients getting low ports on their end of the
> outbound? Never heard that before either.)
> 
> If SELinux were in play, it might make sense. But it's not. What can
> restrict ports like that other than SELinux?

Are you sure SELinux isn't in play?

https://www.securelist.com/en/blog/9175/Android_4_3_and_SELinux
http://www.xda-developers.com/android/easily-change-your-android-selinux-mode/

Also:
http://source.android.com/devices/tech/security/enhancements43.html


-- 
Rob Funk <rfunk at funknet.net>
http://funknet.net/rfunk