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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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openbsd installation with certain configuration prebuilt

I am looking for options to install a system OpenBSD which has certain configs prewritten. What options can I look for? An install image which when installed, installs a system with a configuration A shell script with root privilege which does…
Vineet Menon
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Openbsd init script for ssh VPN tunnel

I have a server hosting SSH tunnels and Openbsd 4.5 clients connecting to it. Things work just fine but I am in the need of automating the connection from the client to the server. So that if the client is accidentally rebooted, then the connection…
manthis
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OpenBSD pf - implementing the equivalent of an iptables DNAT

Short version Server A (OpenBSD 4.7) connects to server B (Windows). IP of server B changes. Server A should be able to connect to server B to both the old and new IP. We cannot configure multiple IPs on server B. Long version We have an OpenBSD…
chutz
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How to configure something like "Reflexive ACL" on OpenBSD?

My U-Verse modem has something called "Reflexive ACL" described as Reflexive ACL: When IPv6 is enabled, you can enable Reflexive Access Control Lists to deny inbound IPv6 traffic unless this traffic results from returning outgoing packets…
Earlz
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Is there an equivalent of LinuxIMQs in BSD?

Is there an equivalent of LinuxIMQs in BSD ? From linuximq.net: The imq device has two common usage cases: Ingress shaping: With linux only egress shaping is possible (except for the ingress queue which can only do rate limiting). IMQ enables you…
Tin
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Default values of pf.conf set parameters

I want to learn default values of these parameters, I read the manual of pf.conf but couldn't find, could you help? set limit states set limit src-nodes set timeout tcp.first set timeout tcp.established set timeout tcp.closing set timeout…
ibrahim
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How to switch IP (including subnet) on OpenBSD without outage

I have an OpenBSD firewall where I have to change the IP on the admin interface (including changing subnet/gateway) and I'm looking for how to do this remotely without losing my SSH (so I can fix things if there are problems). Here is how I imaging…
thelsdj
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Sharing distfiles between FreeBSD, OpenBSD, and Gentoo

Currently I have a few FreeBSD servers with one of them acting as build box sharing its /usr/ports and /usr/ports/distfiles (as separate file systems) through NFS. Recently I've added OpenBSD and Gentoo boxes to this network. Now I want to use…
AlexD
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How to make OpenVPN use VIA Padlock on OpenBSD?

I've bought a VIA based router for the only purpose to run OpenVPN on it. Unfortunately it seems that Padlock is not used. Here is the important part from dmesg: OpenBSD 4.8 (GENERIC) #136: Mon Aug 16 09:06:23 MDT…
leto
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DHCP Server Check

I have been setting up a DHCP server in OpenBsd and I think I now have it configured correctly. However I have a couple of questions. How can I check that it is working properly before I give it control? Once I have switched off dhcp in the router…
Thomas
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SFTP Timeout on download

my server keeps timing out when i attempt to download a handfull of files at once. i'm running ubuntu 10.4 LTS sshd_config contains the following tweaks: Subsystem sftp internal-sftp Match group www ChrootDirectory %h X11Forwarding no …
Matt Ryan
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How Much Ram for these 2 Dedicated OpenBSD servers?

First server would be Server A. wordpress, joomla, roundcube and opencart (mysql databases are on Server B) over a 3 year period max would be 2000 unique visits a day. Would be about 500 downloads on the Server (100-500kb in size) all downloaded…
James
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mDNS on bridged OpenVPN network

I have openvpn running on a openbsd server that is behind a firewall, so it is a local member of the LAN. The openvpn is a bridge configuration. firewall internal 10.0.10.1 openvpn server 10.0.10.15 vpn clients are assigned 10.0.10.240 -…
Tim Hoolihan
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Help me upgrade my pf.conf for OpenBSD 4.7

I'm planning on upgrading my OpenBSD to 4.7 (from 4.6) and as you may or may not know, they changed the syntax for pf.conf. This is the relevant portion from the upgrade guide: pf(4) NAT syntax change As described in more detail in this mailing…
polemon
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Setting up a VDSL router on OpenBSD & NIC with TCO support

this is my first question and I hope I do everything correct. Thanks for setting up serverfault - such a site was missing in the internet for a long time now. In the next few weeks I will get my VDSL 25 connection (at best it's 25 Mbit Download and…
hajowieland
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