OpenBSD Mirrors

OpenBSD can be obtained via HTTP(s) or FTP. Typically you only need a single small piece of boot media and then the rest of the files can be installed from a number of locations, including directly off the internet. Consult the installation guide for details.

Choose a mirror near you from the following list of HTTP(s), FTP and rsync mirrors which provide OpenBSD.

See below for the directory layout of mirrors and information for prospective mirrors.

HTTP(s)

This is a list of currently known HTTP(s) servers and mirrors:

FTP

This is a list of currently known FTP mirrors:

rsync

This is a list of currently known rsync mirrors:

Structural Layout:

• /pub/OpenBSD/
  Absolute path for mirrors where the OpenBSD FTP collection must be available. This location can be a link, if necessary.

• /pub/OpenBSD/7.6/
  Where you find our most recent release.
  • alpha/
  • amd64/
  • arm64/
  • armv7/
  • hppa/
  • i386/
  • landisk/
  • loongson/
  • luna88k/
  • macppc/
  • octeon/
  • packages/
    Binary packages (pre-compiled ports) to install on your release or -stable system.
  • powerpc64/
  • riscv64/
  • sparc64/
  • src.tar.gz
    Userland sources, to be placed in /usr/src.
  • sys.tar.gz
    Kernel sources, to be placed in /usr/src/sys.
  • ports.tar.gz
    The ports tree, to be placed in /usr/ports.
  • xenocara.tar.gz
    X window system sources, to be placed in /usr/xenocara.

• /pub/OpenBSD/snapshots/
  For our major architectures, we frequently build releases and binary packages from our development code. This is where we place those test releases.

• /pub/OpenBSD/tools/
  Various other little bits.

• /pub/OpenBSD/7.5/
  Layout is similar to the 7.6 release described above.

Information for Prospective Mirrors

To be listed on this page we require mirrors to be fast, up to date, capable, and well-connected to networks in the region in which they serve.

Mirrors must carry the following:

• OS and packages for all architectures
• at least the last two releases in binary form
• up-to-date snapshots (no older than a week)
• all associated directories
  (including OpenSSH/, OpenNTPD/, OpenBGPD/, OpenIKED/, LibreSSL/, patches/, rpki-client/, syspatch/ and tools/)

• http/ftp must use the directory structure shown above, with files under /pub/OpenBSD
• use a second-level mirror as upstream - no chains of mirrors

As of March 2020, the minimum space required is approximately 750GB. However, to reduce problems for users when snapshot packages are updated, it is strongly recommended to use the rsync options --delete-delay --delay-updates which require additional space during updates. --fuzzy may also be helpful to reduce the amount of data transferred when updating snapshot packages. Depending on the disk space available, mirrors may provide more contents, such as older releases, current source tree, etc.

A suggested httpd.conf(5) configuration for httpd(8) that is suitable for being www and ftp space mirror is here.

Operators of mirrors who are interested in having their site added to the list on this page should make sure they meet the above requirements, including directory paths, and then contact mirrors-discuss@openbsd.org with further details about their site, including network connectivity, geographic location, and general information. Include details of where you currently mirror from and how often; if that is not already a second-level mirror we will suggest one to switch to. Do not mirror from ftp.openbsd.org.

Mirror operators should subscribe to the low-volume mirrors-announce mailing list.