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Results tagged with security
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user 33476
Questions related to security of data on the Raspberry Pi. Also includes questions on using it in a security system (e.g. as a firewall).
3
votes
Newer Raspbian package installed than made available by Debian (prev: How do Raspbian (opens...
If you want to focus specifically on CVE-2016-6309, this OpenSSL announcement specifically states:
Fix Use After Free for large message sizes (CVE-2016-6309)
Severity: Critical
This issue only affect …
- 28.2k
1
vote
How can I create an encrypted container on a Raspberry Pi 4?
Veracrypt does support ARM: check out Contributed Resources. The Pi 4 can run ARMv7 code just fine.
Of course, you can always build an open-source program for any CPU architecture you like, e.g. ARMv …
- 28.2k
2
votes
secure a raspberry pi so it can only run one application
Don't start programs you don't want your users to access (or uninstall these programs altogether). I'm pretty sure it's impossible to install or start a program using a typical calculator interface.
- 28.2k
5
votes
Any parental control tools for the Raspberry Pi 4?
limiting the time a kid is logged into the device
Check out timeoutd, timekpr-next and similar software packages.
access to specific URLs (e.g. classroom etc)
Disable DNS and whitelist all hosts …
- 28.2k
1
vote
Where is Raspberry Pi "Logout after inactivity" configuration
There are literally dozens of utilities on Linux which can be used to lock the screen:
xscreensaver
xautolock
lxlock
dm-tool
etc.
Perhaps xscreensaver is the easiest to set up, as it comes with a …
- 28.2k
2
votes
Copy Protection, Intellectual Protection and Deployment Issues
As an entry-level protection, there's a unique SD card ID found under /sys/block/mmcblk0/device/ which is not cloned by typical disk image cloning software. This has the advantage of not requiring a s …
- 28.2k
4
votes
Accepted
Disable Single User Mode
Put the data you're trying to protect on a separate partition and encrypt it. Typical users will want to encrypt /home. You could also encrypt the root partition itself, though that will be more diffi …
- 28.2k
2
votes
Encrypt specific directory on raspberry pi
The main problem you will face is that RPi's unique ID (serial number) is too predictable to provide cryptographic protection. Even if you manage to prevent users from booting the RPi with their own S …
- 28.2k
3
votes
Accepted
System Calls From C Code
If you need to provide input for a command, you should do it via input substitution or pipes, like this:
system("echo 123456 | gpg --passphrase-fd 0 gpgTest.py.gpg");
system("gpg --passphrase-fd 0 gp …
- 28.2k
0
votes
How to set up Wifi with EAP TTLS PAP + Proxy on Raspbian Jessie?
There's no single proxy setting in Linux, unlike on Android, every program decides how to connect to a given URL on its own. Having said that, most sane Linux programs honor protocol_proxy variables. …
- 28.2k