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word fix;
Upstream-ID: 8539bdaf2366603a34a9b2f034527ca13bb795c5
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use HostKeyAlias if specified instead of hostname for
matching host certificate principal names; bz#2728; ok dtucker@
Upstream-ID: dc2e11c83ae9201bbe74872a0c895ae9725536dd
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As promised in last release announcement: remove
support for Blowfish, RC4 and CAST ciphers. ok markus@ deraadt@
Upstream-ID: 21f8facdba3fd8da248df6417000867cec6ba222
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Small correction to the known_hosts section on when it is
updated. Patch from lkppo at free.fr some time ago, pointed out by smallm at
sdf.org
Upstream-ID: 1834d7af179dea1a12ad2137f84566664af225d5
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When a forced-command appears in both a certificate and
an authorized keys/principals command= restriction, refuse to accept the
certificate unless they are identical.
The previous (documented) behaviour of having the certificate forced-
command override the other could be a bit confused and more error-prone.
Pointed out by Jann Horn of Project Zero; ok dtucker@
Upstream-ID: 79d811b6eb6bbe1221bf146dde6928f92d2cd05f
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remove UseLogin option and support for having /bin/login
manage login sessions; ok deraadt markus dtucker
Upstream-ID: bea7213fbf158efab7e602d9d844fba4837d2712
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Catch up with the SSH1 code removal and delete all
mention of protocol 1 particularities, key files and formats, command line
options, and configuration keywords from the server documentation and
examples. ok jmc@
Upstream-ID: 850328854675b4b6a0d4a90f0b4a9dd9ca4e905f
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since these pages now clearly tell folks to avoid v1,
normalise the docs from a v2 perspective (i.e. stop pointing out which bits
are v2 only);
ok/tweaks djm ok markus
Upstream-ID: eb474f8c36fb6a532dc05c282f7965e38dcfa129
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mention internal DH-GEX fallback groups; bz#2302
Upstream-ID: e7b395fcca3122cd825515f45a2e41c9a157e09e
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Add a new authorized_keys option "restrict" that
includes all current and future key restrictions (no-*-forwarding, etc). Also
add permissive versions of the existing restrictions, e.g. "no-pty" -> "pty".
This simplifies the task of setting up restricted keys and ensures they are
maximally-restricted, regardless of any permissions we might implement in the
future.
Example:
restrict,pty,command="nethack" ssh-ed25519 AAAAC3NzaC1lZDI1...
Idea from Jann Horn; ok markus@
Upstream-ID: 04ceb9d448e46e67e13887a7ae5ea45b4f1719d0
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more clarity on what AuthorizedKeysFile=none does; based
on diff by Thiebaud Weksteen
Upstream-ID: 78ab87f069080f0cc3bc353bb04eddd9e8ad3704
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refuse to generate or accept RSA keys smaller than 1024
bits; feedback and ok dtucker@
Upstream-ID: 7ea3d31271366ba264f06e34a3539bf1ac30f0ba
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mention that the user's shell from /etc/passwd is used
for commands too; bz#1459 ok dtucker@
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Reduce instances of `` '' in manuals.
troff displays these as typographic quotes, but nroff implementations
almost always print them literally, which rarely has the intended effect
with modern fonts, even in stock xterm.
These uses of `` '' can be replaced either with more semantic alternatives
or with Dq, which prints typographic quotes in a UTF-8 locale (but will
automatically fall back to `` '' in an ASCII locale).
improvements and ok schwarze@
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improve capitalization for the Ed25519 public-key
signature system.
ok djm@
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[servconf.c servconf.h session.c sshd.8 sshd_config.5]
Add a sshd_config PermitUserRC option to control whether ~/.ssh/rc is
executed, mirroring the no-user-rc authorized_keys option;
bz#2160; ok markus@
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[sshd.8]
remove some really old rsh references
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[sshd.8 sshd.c]
remove libwrap support. ok deraadt djm mfriedl
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[ssh-add.1 ssh-agent.1 ssh-keygen.1 ssh-keyscan.1 ssh-keysign.8 ssh.1]
[ssh_config.5 sshd.8 sshd_config.5]
add missing mentions of ed25519; ok djm@
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[sshd.8]
missing comma;
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[authfd.c authfile.c key.c key.h myproposal.h pathnames.h readconf.c]
[servconf.c ssh-agent.c ssh-keygen.c ssh-keyscan.1 ssh-keyscan.c]
[ssh-keysign.c ssh.c ssh_config.5 sshd.8 sshd.c verify.c ssh-ed25519.c]
[sc25519.h sc25519.c hash.c ge25519_base.data ge25519.h ge25519.c]
[fe25519.h fe25519.c ed25519.c crypto_api.h blocks.c]
support ed25519 keys (hostkeys and user identities) using the public
domain ed25519 reference code from SUPERCOP, see
http://ed25519.cr.yp.to/software.html
feedback, help & ok djm@
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[ssh-keygen.1 ssh.1 ssh_config.5 sshd.8 sshd_config.5]
do not use Sx for sections outwith the man page - ingo informs me that
stuff like html will render with broken links;
issue reported by Eric S. Raymond, via djm
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[sshd.8]
clarify -e text. suggested by & ok jmc@
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[log.c log.h ssh.1 ssh.c sshd.8 sshd.c]
Add -E option to ssh and sshd to append debugging logs to a specified file
instead of stderr or syslog. ok markus@, man page help jmc@
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[myproposal.h ssh_config.5 umac.h sshd_config.5 ssh.1 sshd.8 mac.c]
add umac128 variant; ok djm@ at n2k12
(note: further Makefile work is required)
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[ssh.1 sshd.8]
Remove mention of 'three' key files since there are now four. From
Steve.McClellan at radisys com.
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- dtucker@cvs.openbsd.org 2012/05/13 01:42:32
[servconf.h servconf.c sshd.8 sshd.c auth.c sshd_config.5]
Add "Match LocalAddress" and "Match LocalPort" to sshd and adjust tests
to match. Feedback and ok djm@ markus@.
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[channels.c auth-options.c servconf.c channels.h sshd.8]
Add wildcard support to PermitOpen, allowing things like "PermitOpen
localhost:*". bz #1857, ok djm markus.
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[mac.c myproposal.h ssh.1 ssh_config.5 sshd.8 sshd_config.5]
Add new SHA256 and SHA512 based HMAC modes from
http://www.ietf.org/id/draft-dbider-sha2-mac-for-ssh-02.txt
Patch from mdb AT juniper.net; feedback and ok markus@
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[sshd.8 sshd_config.5]
tweak previous; ok djm
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- djm@cvs.openbsd.org 2011/05/23 03:30:07
[auth-rsa.c auth.c auth.h auth2-pubkey.c monitor.c monitor_wrap.c pathnames.h servconf.c servconf.h sshd.8 sshd_config sshd_config.5]
allow AuthorizedKeysFile to specify multiple files, separated by spaces.
Bring back authorized_keys2 as a default search path (to avoid breaking
existing users of this file), but override this in sshd_config so it will
be no longer used on fresh installs. Maybe in 2015 we can remove it
entierly :)
feedback and ok markus@ dtucker@
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[scp.1 ssh-add.1 ssh-keygen.1 ssh.1 ssh_config.5 sshd.8 sshd_config.5]
knock out some "-*- nroff -*-" lines;
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[PROTOCOL PROTOCOL.agent PROTOCOL.certkeys auth2-jpake.c authfd.c]
[authfile.c buffer.h dns.c kex.c kex.h key.c key.h monitor.c]
[monitor_wrap.c myproposal.h packet.c packet.h pathnames.h readconf.c]
[ssh-add.1 ssh-add.c ssh-agent.1 ssh-agent.c ssh-keygen.1 ssh-keygen.c]
[ssh-keyscan.1 ssh-keyscan.c ssh-keysign.8 ssh.1 ssh.c ssh2.h]
[ssh_config.5 sshconnect.c sshconnect2.c sshd.8 sshd.c sshd_config.5]
[uuencode.c uuencode.h bufec.c kexecdh.c kexecdhc.c kexecdhs.c ssh-ecdsa.c]
Implement Elliptic Curve Cryptography modes for key exchange (ECDH) and
host/user keys (ECDSA) as specified by RFC5656. ECDH and ECDSA offer
better performance than plain DH and DSA at the same equivalent symmetric
key length, as well as much shorter keys.
Only the mandatory sections of RFC5656 are implemented, specifically the
three REQUIRED curves nistp256, nistp384 and nistp521 and only ECDH and
ECDSA. Point compression (optional in RFC5656 is NOT implemented).
Certificate host and user keys using the new ECDSA key types are supported.
Note that this code has not been tested for interoperability and may be
subject to change.
feedback and ok markus@
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[ssh-keysign.8 ssh.1 sshd.8]
use the same template for all FILES sections; i.e. -compact/.Pp where we
have multiple items, and .Pa for path names;
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[ssh.1 ssh_config.5 sshd.8]
Remove mentions of weird "addr/port" alternate address format for IPv6
addresses combinations. It hasn't worked for ages and we have supported
the more commen "[addr]:port" format for a long time. ok jmc@ markus@
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[auth-options.c auth-options.h auth.c auth.h auth2-pubkey.c]
[key.c servconf.c servconf.h sshd.8 sshd_config.5]
add some optional indirection to matching of principal names listed
in certificates. Currently, a certificate must include the a user's name
to be accepted for authentication. This change adds the ability to
specify a list of certificate principal names that are acceptable.
When authenticating using a CA trusted through ~/.ssh/authorized_keys,
this adds a new principals="name1[,name2,...]" key option.
For CAs listed through sshd_config's TrustedCAKeys option, a new config
option "AuthorizedPrincipalsFile" specifies a per-user file containing
the list of acceptable names.
If either option is absent, the current behaviour of requiring the
username to appear in principals continues to apply.
These options are useful for role accounts, disjoint account namespaces
and "user@realm"-style naming policies in certificates.
feedback and ok markus@
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[ssh.1 sshd.8]
tweak previous;
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[ssh.1 sshd.8]
move section on CA and revoked keys from ssh.1 to sshd.8's known hosts
format section and rework it a bit; requested by jmc@
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[sshd.8]
the authorized_keys option for CA keys is "cert-authority", not
"from=cert-authority". spotted by imorgan AT nas.nasa.gov
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[ssh-keygen.1 ssh.1 sshd.8]
tweak previous;
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- djm@cvs.openbsd.org 2010/02/26 20:29:54
[PROTOCOL PROTOCOL.agent PROTOCOL.certkeys addrmatch.c auth-options.c]
[auth-options.h auth.h auth2-pubkey.c authfd.c dns.c dns.h hostfile.c]
[hostfile.h kex.h kexdhs.c kexgexs.c key.c key.h match.h monitor.c]
[myproposal.h servconf.c servconf.h ssh-add.c ssh-agent.c ssh-dss.c]
[ssh-keygen.1 ssh-keygen.c ssh-rsa.c ssh.1 ssh.c ssh2.h sshconnect.c]
[sshconnect2.c sshd.8 sshd.c sshd_config.5]
Add support for certificate key types for users and hosts.
OpenSSH certificate key types are not X.509 certificates, but a much
simpler format that encodes a public key, identity information and
some validity constraints and signs it with a CA key. CA keys are
regular SSH keys. This certificate style avoids the attack surface
of X.509 certificates and is very easy to deploy.
Certified host keys allow automatic acceptance of new host keys
when a CA certificate is marked as sh/known_hosts.
see VERIFYING HOST KEYS in ssh(1) for details.
Certified user keys allow authentication of users when the signing
CA key is marked as trusted in authorized_keys. See "AUTHORIZED_KEYS
FILE FORMAT" in sshd(8) for details.
Certificates are minted using ssh-keygen(1), documentation is in
the "CERTIFICATES" section of that manpage.
Documentation on the format of certificates is in the file
PROTOCOL.certkeys
feedback and ok markus@
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[sshd.8]
debug output goes to stderr, not "the system log"; ok markus dtucker
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[sshd_config.5 ssh_config.5 sshd.8 ssh.1]
some tweaks now that protocol 1 is not offered by default; ok markus
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[sftp-server.8 sshd.8 ssh-agent.1]
fix a few typographical errors found by spell(1).
ok dtucker@, jmc@
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[sshd.8]
do not give an example of how to chmod files: we can presume the user
knows that. removes an ambiguity in the permission of authorized_keys;
ok deraadt
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[sshd_config sshd_config.5 sshd.8 servconf.c]
increase default size of ssh protocol 1 ephemeral key from 768 to 1024
bits; prodded by & ok dtucker@ ok deraadt@
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[sshd.8]
kill trailing whitespace;
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[auth-options.c match.c servconf.c addrmatch.c sshd.8]
support CIDR address matching in .ssh/authorized_keys from="..." stanzas
ok and extensive testing dtucker@
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[sshd.8 sshd.c]
- update usage()
- fix SYNOPSIS, and sort options
- some minor additional fixes
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[sshd.c channels.h channels.c log.c servconf.c log.h servconf.h sshd.8]
Add extended test mode (-T) and connection parameters for test mode (-C).
-T causes sshd to write its effective configuration to stdout and exit.
-C causes any relevant Match rules to be applied before output. The
combination allows tesing of the parser and config files. ok deraadt djm
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