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Sat, 7 Jan 2023 18:30:07 GMT (envelope-from git) Date: Sat, 7 Jan 2023 18:30:07 GMT Message-Id: <202301071830.307IU7NB001975@gitrepo.freebsd.org> To: doc-committers@FreeBSD.org, dev-commits-doc-all@FreeBSD.org From: Ceri Davies Subject: git: 17d3881276 - main - handbook: update for OPIE removal List-Id: Commit messages for all branches of the doc repository List-Archive: https://lists.freebsd.org/archives/dev-commits-doc-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-doc-all@freebsd.org X-BeenThere: dev-commits-doc-all@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: ceri X-Git-Repository: doc X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 17d3881276393232cceb5b21e96fe61bb92da71a Auto-Submitted: auto-generated X-ThisMailContainsUnwantedMimeParts: N The branch main has been updated by ceri: URL: https://cgit.FreeBSD.org/doc/commit/?id=17d3881276393232cceb5b21e96fe61bb92da71a commit 17d3881276393232cceb5b21e96fe61bb92da71a Author: Ceri Davies AuthorDate: 2023-01-07 18:29:43 +0000 Commit: Ceri Davies CommitDate: 2023-01-07 18:29:43 +0000 handbook: update for OPIE removal --- documentation/content/en/books/handbook/security/_index.adoc | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/documentation/content/en/books/handbook/security/_index.adoc b/documentation/content/en/books/handbook/security/_index.adoc index beae8fc88e..6e8f112f74 100644 --- a/documentation/content/en/books/handbook/security/_index.adoc +++ b/documentation/content/en/books/handbook/security/_index.adoc @@ -451,7 +451,16 @@ Some additional settings are documented in man:security[7]. [[one-time-passwords]] == One-time Passwords -By default, FreeBSD includes support for One-time Passwords In Everything (OPIE). +By default, versions of FreeBSD prior to 14.x include support for One-time Passwords In Everything (OPIE). + +[NOTE] +==== +OPIE is no longer considered secure and has been removed from FreeBSD +-CURRENT; it will not be available from 14.x onwards. If you wish to use +OPIE on versions of FreeBSD later than 13.x, the package:security/opie[] is +available, though not recommended. +==== + OPIE is designed to prevent replay attacks, in which an attacker discovers a user's password and uses it to access a system. Since a password is only used once in OPIE, a discovered password is of little use to an attacker. OPIE uses a secure hash and a challenge/response system to manage passwords.