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Questions tagged [openbsd]

OpenBSD is a free, multi-platform 4.4BSD-based UNIX-like operating system with a focus on security, portability, standardization, code correctness, proactive security and integrated cryptography.

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OpenBSD is an open-source operating system derived from 4.4BSD UNIX and is popular for it's focus on security, portability and code correctness. It was forked from in the mid-1990s.

The project strictly incorporates only source code with ISC or BSD compatible licensing (except the ports tree) with the goal of providing software for any use, including commercial. It is funded by the Canadian non-profit, The OpenBSD Foundation, which also supports related projects such as OpenSSH, LibreSSL, OpenSMTPD, and other popular infrastructure software.

Website: http://www.openbsd.org

OpenBSD Foundation: http://www.openbsdfoundation.org

Distrowatch: http://distrowatch.com/table.php?distribution=openbsd

Wikipedia: http://en.wikipedia.org/wiki/OpenBSD

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During OpenBSD installation, what is "DNS domain name" for?

During the installation of OpenBSD 6.1, right after setting up network interfaces, the installer prompts me: DNS domain name? (e.g. 'bar.com') [my.domain] I am not sure what this setting is for, I left it at default my.domain and besides showing up…
Jessica Nowak
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Can't ping remote host through nat on ipsec enc0 (mtu=0)

I'm up ipsec vpn to remote host. Since the remote host accepts only one ip i'm up nat for local net on enc0. Ping from ipsec host is ok: PING 172.20.162.150 (172.20.162.150): 56 data bytes 64 bytes from 172.20.162.150: icmp_seq=0 ttl=252 time=2.597…
Morry
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OpenBSD login.conf statement for nat-translated radius clients to ID as public address instead of private?

I'm on OBSD6.0 behind a NAT firewall and attempting to authenticate against a RADIUS server on the outside. The RADIUS server gets the internal (private) address of the client system, not what the firewall NAT translates it to. Is there a…
danno
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Configuring PF to route between routing domains

I've got an OpenBSD 6.0 box running as a router / firewall. It's got three physical network connections and one GRE tunnel: em0: Internet (routing domain 0) em1: Internal LAN private IPs (routing domain 0) em2: Server network public IPs (routing…
PeterM
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OpenBSD disk devices prefixes

Under OpenBSD, /dev/rsd0a means: raw access to the first, or root, slice (a) of the first (0) SCSI (sd) disk r says that the device is accessed in raw, character mode instead of the standard block access. Are there other known special prefixes…
Penegal
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https not working on OpenBSD 5.8 & 5.9 guests running in VMWare Fusion 8 Pro

The set up is as per title: freshly installed OpenBSD (I've tested both 5.8 and 5.9) are having networking issues when run inside VMWare Fusion 8 Pro (OS X host). Downloading http files of any size seems to work OK. Downloading https files initially…
ZoFreX
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Authenticating OpenBSD 5.6 to Windows server 2008R2 active directory?

How do I make openBSD to authenticate to Windows server 2008R2? I currently have installed Identity Management for Unix (IDMU). Also I have installed login_ldap in openbsd. but I dont know what to configure in the openBSD client and the windows…
Enmanuelh17
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OpenBSD cannot set frag limit more than 6144

I am trying to : set limit frags 10000 and get following info: pfctl: cannot set 'frags' limit When i am trying to set it on 5000 everything works fine.
Kriss
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Linux vs OpenBSD vmware performance

I wonder what experience others have of running openbsd on top of vmware infrastructure. I have a pretty regular Lighttpd+Mysql+PHP5 setup of 2 vmware guests: -Debian7 Wheezy -OpenBSD 5.2 (this version was choosen because some higher versions didnt…
nixstack
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Qemu: issues with bridged networking (Linux host, OpenBSD guest)

I have a computer running Linux. It has qemu installed. It has a bridge interface br0 configured with the following settings: IP: 10.1.1.1 Netmask: 255.255.255.0 There is also a tap0 interface that is added to br0. tap0 is supposed to be used for…
Anonymous
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Active CARP network loop

I have to setup, no matter what, a cluster of 3 active OpenBSD 5.5 with CARP on 3 separate ESXi 5.5 hosts. I think I'm close to the end but I have this message in /var/log/messages : carp0: replay or network loop detected Here is my configuration…
Ouioui
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VPN with NAT-T between OpenBSD and Microsoft ISA

A customer of ours is setting up an ISA-Cluster in private network address range and we have to build a VPN connection with them. There is no way avoiding NAT-T and this is where we get to a problem: in IKE request there is a field…
slovon
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Ubuntu 12.04 LTS KVM host with a OpenBSD 5.4 guest, `virsh shutdown` not working / freezing guest

I have Ubuntu 12.04 LTS KVM host with a OpenBSD 5.4 guest. I am having an issue with virsh shutdown not working / freezing guest. After calling shutdown, guest freezes and is unresponsive. Any ssh sessions freeze, and any vnc consoles are…
Gordo
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Altq/Pf trouble on OpenBSD

I'm having some trouble with pf/altq on OpenBSD but as I'm new to it I'm not sure if its because I'm misunderstanding how to use anchors, or if something is wrong with my system. I'm trying to add altq rules to an anchor using pfctl, but pfctl keeps…
Jak
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tcp-upstream in unbound doesn't work. Use TCP for query upstream DNS servers really work in the real world?

Today I've been playing with some options in unbound.conf just for fun. I've enabled tcp-upstream but it doesn't work with some domains. OS: OpenBSD current. Unbound: 1.4.19 Examples with tcp-upstream enabled: --> dig www.google.com ; <<>> DiG…
Rufo El Magufo
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