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- Update from version 9.6p1 to 9.7p1
- Update of rootfile not required
- Changelog
9.7p1
Future deprecation notice
OpenSSH plans to remove support for the DSA signature algorithm in
early 2025 and compile-time disable it later this year.
DSA, as specified in the SSHv2 protocol, is inherently weak - being
limited to a 160 bit private key and use of the SHA1 digest. Its
estimated security level is only 80 bits symmetric equivalent.
OpenSSH has disabled DSA keys by default since 2015 but has retained
run-time optional support for them. DSA was the only mandatory-to-
implement algorithm in the SSHv2 RFCs[3], mostly because alternative
algorithms were encumbered by patents when the SSHv2 protocol was
specified.
This has not been the case for decades at this point and better
algorithms are well supported by all actively-maintained SSH
implementations. We do not consider the costs of maintaining DSA in
OpenSSH to be justified and hope that removing it from OpenSSH can
accelerate its wider deprecation in supporting cryptography
libraries.
This release makes DSA support in OpenSSH compile-time optional,
defaulting to on. We intend the next release to change the default
to disable DSA at compile time. The first OpenSSH release of 2025
will remove DSA support entirely.
This release contains mostly bugfixes.
New features
* ssh(1), sshd(8): add a "global" ChannelTimeout type that watches
all open channels and will close all open channels if there is no
traffic on any of them for the specified interval. This is in
addition to the existing per-channel timeouts added recently.
This supports situations like having both session and x11
forwarding channels open where one may be idle for an extended
period but the other is actively used. The global timeout could
close both channels when both have been idle for too long.
* All: make DSA key support compile-time optional, defaulting to on.
Bugfixes
* sshd(8): don't append an unnecessary space to the end of subsystem
arguments (bz3667)
* ssh(1): fix the multiplexing "channel proxy" mode, broken when
keystroke timing obfuscation was added. (GHPR#463)
* ssh(1), sshd(8): fix spurious configuration parsing errors when
options that accept array arguments are overridden (bz3657).
* ssh-agent(1): fix potential spin in signal handler (bz3670)
* Many fixes to manual pages and other documentation, including
GHPR#462, GHPR#454, GHPR#442 and GHPR#441.
* Greatly improve interop testing against PuTTY.
Portability
* Improve the error message when the autoconf OpenSSL header check
fails (bz#3668)
* Improve detection of broken toolchain -fzero-call-used-regs support
(bz3645).
* Fix regress/misc/fuzz-harness fuzzers and make them compile without
warnings when using clang16
Signed-off-by: Adolf Belka <adolf.belka@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
IPFire 2.x - The Open Source Firewall
What is IPFire?
IPFire is a hardened, versatile, state-of-the-art Open Source firewall based on Linux. Its ease of use, high performance in any scenario and extensibility make it usable for everyone. For a full list of features have a look here.
This repository contains the source code of IPFire 2.x which is used to build the whole distribution from scratch, since IPFire is not based on any other distribution.
Where can I get IPFire?
Just head over to https://www.ipfire.org/download
How do I use this software?
We have a long and detailed wiki located here which should answers most of your questions.
But I have some questions left. Where can I get support?
You can ask your question at our community located here. A complete list of our support channels can be found here.
How can I contribute?
We have another document for this. Please look here.