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

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434 views

How to log SSHD failed logins with usernames under OpenBSD 5.3?

Since DYNDNS became a payed service, I found a solution to dynamic IP address problem: OPENWRT router side (dynamic IP, this line is in the CRON): echo close | ssh LOCATION@SERVER -p 22 > ...
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1answer
249 views

Start the GUI automatically in OpenBSD

I can't find the GUI to start up automatically in OpenBSD hppa 5.3. What commands must I use to get this working? I want to use Gnome like in OpenSuse which I am more comfortable with.
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1answer
209 views

reinstall all FreeBSD packages with pkg_add, pkg_info

In OpenBSD, I have the possibility to take a snapshot with all my installed packages, with pkg_info -m > output.txt and then move this file to a different server and on this new server run a: ...
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1answer
222 views

OpenSMTPD Configuration Problem

I'm trying to configure a simple mail server on OpenBSD 5.2, running OpenSMTPD 5.3.1, however there is some problem with my configuration file, and I'm unsure how to fix it. I can send and receive ...
2
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1answer
164 views

OpenBSD 5.2 and Intel GMA X4500: How to get the X Window System to work

I've just installed OpenBSD 5.2 on my desktop computer and I can't get the X Window System to work. My graphics card is Intel GMA X4500. When I run startx, my system freezes and no keyboard ...
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2answers
56 views

How to detect what is causing entries in the “last” cmd's output?

last ... date { Sun Mar 31 12:00 date | Sun Mar 31 12:00 date { Sun Mar 31 00:00 date ...
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1answer
265 views

Webcam on Openbsd

# dmesg ... uaudio0 at uhub1 port 2 configuration 1 interface 1 "vendor 0x093a product 0x2622" rev 1.10/1.00 addr 2 uaudio0: audio rev 1.00, 2 mixer controls audio1 at uaudio0 ugen0 at uhub1 port 2 ...
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1answer
1k views

OpenBSD, NVIDIA, and Xorg

I've installed OpenBSD 5.2 i386 on my desktop however I hit a wall when it came to running X at my native resolution (1920x1200). All of the hardware is working normally except for the video card: an ...
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2answers
144 views

How to su to www on OpenBSD?

I have a PHP script that I wish to run under the www account. The account has nologin as shell and is used by Apache. When I run "su -l www -s /bin/ksh" as root, I get the following message: This ...
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1answer
419 views

How should I configure /etc/host.allow on OpenBSD to only allow given IP's?

I have an OpenBSD 5.1 box that is running a static html based website. I have a list of IP addresses that I want to allow, ex.: ... 78.128.49.0/24 78.128.50.0/24 ... It's a ~10 KByte. ~10 000 ...
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1answer
353 views

How do I make mutt show Cyrillic characters on OpenBSD?

I'm using mutt-1.5.21p0v0 to read my mail on OpenBSD 5.2 every now and then. Why does mutt show question marks instead of Cyrillic characters when I open standards-compliant email messages in ...
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2answers
143 views

Emacs on OpenBSD for DEC VAX?

I have managed to install OpenBSD 5.2 on my DEC VaxStation 4000 Model 90 but to my surprise have not found a binary for Emacs (any version) for the VAX architecture. As best as I can tell I do not see ...
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1answer
204 views

How to configure OpenBSD pf to only allow inbound from given countries?

I have an OpenBSD 5.2 box what's running a webserver on port 80 and an SSHD server on port 2222. How can I configure OpenBSD's pf to only allow connections from given countries to port 80 and 2222?
3
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1answer
165 views

How can I peek at the output of a running crontab task on OpenBSD?

I have an hourly hour-long crontab task running with some mtr (traceroute) output every 10 minutes (that is going to go for over an hour prior to it being emailed back to me), and I want to see the ...
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3answers
328 views

Unix on a DEC VAX?

I just picked up a DEC VaxStation 4000 model 90 with a built in CDROM and an auxiliary SCSI storage module with tape archive drive. I believe it is functional although I cannot test it yet since I ...
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2answers
309 views

Does sysctl kern.bufcachepercent not work in OpenBSD 5.2 above 1.7GB?

I run OpenBSD/amd64 5.2 on a system with 12GB of RAM, and I want to use about 6GB to 8GB for filesystem caching. By default, 5.2 amd64 comes with sysctl kern.bufcachepercent set to 20 (20%); I've ...
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2answers
715 views

How to configure pppoe client on OpenBSD?

I have an OpenBSD 5.1 installed + a cable from my ISP. I have the username/password for the PPPoE connection, but how can I configure the connection to be permanent? (I have 1 interface on the ...
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3answers
584 views

Why does time/ident/daytime/comsat run after an OpenBSD 5.2 install?

I installed an OpenBSD 5.2 using "-* & +etc* & +base* & +bsd". After finished with the install, I rebooted, then netstat -at | grep LISTEN, this is what I get for output: Why does so ...
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3answers
535 views

Is this enough for a working mail server?

I have an internet connection with a public, static IPv4 address (the IP address has a PTR record for foo.org domain, and I own foo.org domain, and have nameservers for it elsewhere, mx record is set ...
5
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1answer
256 views

Realtek audio issues on OpenBSD 5.2

I am running OpenBSD/amd64 5.2 stable on a new machine, using a gigabyte motherboard with a realtek alc898 audio chipset. When I try to play any audio (sources include mpd, aucat, and cat > ...
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3answers
2k views

How do I send a shutdown event to a QEMU guest (OpenBSD)?

I'm using virtualisation solely to install OpenBSD onto the bare hardware, and during the installation, the redirection to the serial port didn't get configured, so, I ended up with the system ...
2
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1answer
200 views

Install OpenBSD on running Linux machine

I just found my old IBM ThinkPad 240 where I installed ArchLinux some years ago. The machine still works as intended but the package manager (pacman) does not work anymore at all. I tried to fix it ...
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3answers
493 views

Why does a default Linux installation run more processes than a default OpenBSD installation?

If I ps -aux on Ubuntu (or any GNU/Linux distribution) without GUI I see ~100 processes running. If I ps -aux on OpenBSD without GUI, then I get ~10 processes. What is the explanation/reason for ...
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1answer
132 views

How to partition an OpenBSD if it's used as a static HTTPD server?

So mount options can be useful because it can afaik increase the security of a webserver that is only serving static html files. What are the best mount options/partition schemes for az OpenBSD 5.2 ...
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180 views

How many rings does OpenBSD use?

Usually a Windows/Linux operating system uses afaik max 2 rings But how many rings does OpenBSD use?
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2answers
270 views

What does “Do you expect to run the X Windows System?” do when installing OpenBSD?

When installing OpenBSD 5.1, I got the question: Do you expect to run the X Windows System? What change does the installer make to my system if I say "yes"? I know what X Windows is, but I don't ...
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2answers
549 views

How to disable inetd and sendmail under OpenBSD 5.1?

# grep '^inetd_flags="' /etc/rc.conf inetd_flags="NO" # for normal use: "" # grep -i 'sendmail_flags="NO"' /etc/rc.conf sendmail_flags="NO" # after a reboot..: two questions: # ps ...
2
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1answer
252 views

How to move the /var/www directory to a USB HDD?

I have a default OpenBSD 5.1 install. How Can I enabled httpd, OK. QUESTION: How can I use the /dev/sd0a on /mnt/usbhdd type ffs (local, nodev) instead of the default "/var/www" directory? What ...
2
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0answers
84 views

How do I delete a partial package in OpenBSD

While upgrading, I tried to add a package that was already there and due to some error, a partial package got created - partial-gnutls. When I try to delete this partial package, I get these errors: ...
7
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1answer
160 views

How to use /etc/fbtab in OpenBSD to secure X11?

OpenBSD's man page afterboot(8) suggests: "You might wish to tighten up security more by editing /etc/fbtab as when installing X." How might one do this? What lines when added to /etc/fbtab would ...
5
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1answer
138 views

OpenBSD and limiting login to local only like in FreeBSD's login.access(5)

I am using OpenBSD as my desktop. I don't want to login to my machine remotely, and I don't want anyone else to login remotely. In FreeBSD there is a file called login.access(5) that can be used to ...
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2answers
3k views

How to permanently connect to WPA2AES wifi with OpenBSD (through cli)

I have an OpenBSD 5.1 i386 installed. I have no GUI/X. I googled for the answer but I can't find authentic one. How can I connect to a WPA2 PSK/AES wifi network using only the terminal? (so I don't ...
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2answers
424 views

USB audio only outputs white noise

I am running OpenBSD/i386 5.1 on a 5 year old laptop. The speakers and headphone port work, but the headphone port is a little loose so I am trying to install an external USB sound card (Fiio E17 USB ...
5
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1answer
677 views

How to edit a .gpg file with vi?

So I created a gpg encrypted file with password: gpg -c passwords.txt.gpg how can I open it with vi, edit it, then close it? (So that no passwords.txt file will be created, the decrypted ...
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3answers
851 views

How to create an encrypted container (dynamically expandable) on OpenBSD

On OpenBSD, how/with what I can create an encrypted container that can later be dynamically expanded? Can I do it with GPG? (password protection is enough) So, if I open this container and put files ...
4
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2answers
617 views

NAT and source IP filtering in PF, using OpenBSD >= 4.7

I just read a book about PF (The Book Of PF, No Starch), but there's one question not answered by it. If I have a gateway machine using two interfaces, $int_if and $ext_if, and I NAT the packages ...
4
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3answers
940 views

How can I secure an OpenBSD-based Apache webserver?

I have an OpenBSD server that has a running webserver (the built-in apache web srv). How can I harden this setup? I want to only server static html files, no php, no sql.
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0answers
197 views

openBSD static ip can't connect

I have set /etc/hostname.msk0 to inet 192.168.1.102 255.255.255.0 NONE and /etc/mygate to 192.168.1.1 but still can't ping the router (192.168.1.1) do I need to configure dns to ping ? ...
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2answers
2k views

How to disable IPv6 on OpenBSD?

I'm sure that in my network I will not use IPv6 only IPv4. So according to the KISS principle I will need to disable it. How can I do it? OS is OpenBSD 5.1.
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1answer
589 views

How to check dependencies of a package under OpenBSD?

AFAIK this is the way that I can install for ex.: XYZ on OpenBSD: pkg_add -Uvi XYZ How can I get a list for all the dependencies regarding XYZ package? -> So I need a list about .tgz filenames ...
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2answers
528 views

How to get green/red terminals under OpenBSD?

For linux machines I can use: # vi ~/.bashrc # red/green terminal colors regarding exit code export PROMPT_COMMAND='PS1="` if [[ \$? = "0" ]]; then echo "\\[\\033[0;32m\\]"; else echo ...
3
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1answer
450 views

How to check downloaded package on OpenBSD 5.1?

Under linux there is a package called "ubuntu-keyring" - it's for checking that the downloaded packages (from the offical repositories) are the ones that are on the server. How can I do this under ...
2
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2answers
888 views

Flash drive in OpenBSD: “specified device does not match mounted device”

I'm a relative BSD newb. I have a small server running OpenBSD 4.4. I'm trying to plug in a 16GB USB flash drive to move some files. I followed the guidance of the Disk Setup documentation, and found ...
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1answer
224 views

Are there any setuid/setguid bits in OpenBSD?

https://en.wikipedia.org/wiki/Setuid Are there anything like this under OpenBSD?
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2answers
378 views

How to mount an IronKey in OpenBSD?

Being that it's proprietary, maybe this isn't possible but I was wondering if anybody was successful at mounting one of these in OpenBSD. I mounted the two partitions the USB drive creates which are ...
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1answer
208 views

sandbox tcpdump under OpenBSD?

From FreeBSD 9.0 tcpdump is sandboxed with Capsicum. Are there any solutions for sandboxing tcpdump under OpenBSD? Just want to secure a running: tcpdump -w output.pcap because it can be only used ...
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1answer
508 views

BSD Books - Best books for OpenBSD and FreeBSD [closed]

I will begin a thorough study of the OpenBSD and FreeBSD, which are the most complete books? I found these, which are the best? Openbsd books Freebsd books
4
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2answers
1k views

OpenBSD performance tuning (desktop)

What are your ways of tuning a freshly installed OpenBSD operating system specifically for a desktop environment (faster UI interaction etc.)? What are the most important factors here to consider?
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1answer
231 views

Strange terminal behavior: 'j' key not working in urxvt

For some bizarre reason my 'j' key stopped working properly. Every time I hit the key, it prints "true". If I type 'jake', the terminal prints: >>trueake I don't know what lead to this. I ...
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4answers
3k views

How to apply updates on OpenBSD, NetBSD, and FreeBSD?

I'm using OpenBSD for quite a while now. All I do, however is go from one release to the next, always just doing an update. I configured the system so it works as my router and firewall, and it works ...