OpenBSD is a BSD variant with a strong security and code correctness focus.

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14
votes
3answers
7k views

How should one set up full-disk encryption on OpenBSD?

Is there a preferred method to set up full-disk encryption under OpenBSD, similar to dm-crypt under Linux? I'm looking for full-disk encryption, as if someone were to steal my notebook they could ...
2
votes
4answers
761 views

How to guarantee the integrity of an OS?

In information security, integrity means that data cannot be modified undetectably. This answer raised my interest, of course, I want to guarantee the integrity of my OS, outlined here. ...
6
votes
2answers
1k views

How to block abusive IP addresses with pf in OpenBSD?

We can see from the nginx logs that there is an IP address doing nasty things. How can we block it with a pf command and then later permanently with the /etc/pf.log? How can we block a x.x.x.x/24 ...
7
votes
2answers
5k views

Why is sudo telling me my password is wrong?

I recently installed OpenBSD 4.9 in my computer, so I could learn a little bit about Unix-like operating systems. I added a new user to the system called bruno. Ok. When I use the 'sudo' command, it ...
5
votes
1answer
3k views

Google Chrome on OpenBSD

How can I install Google Chrome on OpenBSD?
3
votes
1answer
168 views

How to create a user with minimalistic permissions on OpenBSD?

I want to run the webbrowser (xxxterm) with a different user (XY) on an OpenBSD Desktop (different user from the one I use daily). I will reach the Browser with ssh -X in the local machine (or are ...
3
votes
1answer
949 views

Does OpenBSD use bcrypt by default?

http://codahale.com/how-to-safely-store-a-password/ with what does OpenBSD store the password by default? They say bcrypt is way more secure then hashing. I googled' it and obsd supports bcrypt, but ...
2
votes
1answer
2k views

Automatic internet connection on startup in OpenBSD?

I just installed the OpenBSD in my computer. I am completely new to Unix-like operating systems. I've learned how to connect to my wireless network using the following commands (even though I don't ...
1
vote
2answers
969 views

Problem with WPA connection on OpenBSD

I have an OpenBSD 5.3 amd64 installed and Intel WiFi Link 1000 card which works with WEP but I obtain a strange message with WPA keys: # sh /etc/netstart iwn0 iwn0: no link ............. sleeping ...
0
votes
1answer
144 views

What audited server programs are shipped in a default OpenBSD install?

OpenBSD has a process by which they audit programs by doing a "comprehensive file-by-file analysis of every critical software component". Which OpenBSD programs have been audited? Is there a list? I ...