OpenBSD 4.9
作者 佚名技术
来源 操作系统
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发布时间 2012-05-21
| kage daemons: The rc.subr(8) framework allows for easy creation of rc scripts. This framework is still evolving. Only a handful of packages have migrated for now. rc.local can still be used instead of or in addition to rc.d(8). OpenSSH 5.8: New features: 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. sftp(1) and sftp-server(8): add a protocol extension to support a hard link operation. It is available through the "ln" command in the client. The old "ln" behaviour of creating a symlink is available using its "-s" option or through the preexisting "symlink" command. scp(1): Add a new -3 option to scp: Copies between two remote hosts are transferred through the local host. Without this option the data is copied directly between the two remote hosts. ssh(1): automatically order the hostkeys requested by the client based on which hostkeys are already recorded in known_hosts. This avoids hostkey warnings when connecting to servers with new ECDSA keys, since these are now preferred when learning hostkeys for the first time. ssh(1) and sshd(8): add a new IPQoS option to specify arbitrary TOS/DSCP/QoS values instead of hardcoding lowdelay/throughput. (bz#1733) sftp(1): the sftp client is now significantly faster at performing directory listings, using OpenBSD glob(3) extensions to preserve the results of stat(3) operations performed in the course of its execution rather than performing expensive round trips to fetch them again afterwards. ssh(1): "atomically" create the listening mux socket by binding it on a temporary name and then linking it into position after listen() has succeeded. This allows the mux clients to determine that the server socket is either ready or stale without races. Stale server sockets are now automatically removed. (also fixes bz#1711) ssh(1) and sshd(8): add a KexAlgorithms knob to the client and server configuration to allow selection of which key exchange methods are used by ssh(1) and sshd(8) and their order of preference. sftp(1) and scp(1): factor out bandwidth limiting code from scp(1) into a generic bandwidth limiter that can be attached using the atomicio callback mechanism and use it to add a bandwidth limit option to sftp(1). (bz#1147) The following significant bugs have been fixed in this release: ssh(1) and ssh-agent(1): honour $TMPDIR for client xauth and ssh-agent temporary directories. (bz#1809) ssh(1): avoid NULL deref on receiving a channel request on an unknown or invalid channel. (bz#1842) sshd(8): remove a debug() that pollutes stderr on client connecting to a server in debug mode. (bz#1719) scp(1): pass through ssh command-line flags and options when doing remote-remote transfers, e.g. to enable agent forwarding which is particularly useful in this case. (bz#1837) sftp-server(8): um |
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