Popular of all, OpenSSH of the SSH connectivity tools that technical users of today depend on have released new version OpenSSH 4.4/4.4p1 

The OpenSSH suite replaces rlogin and telnet with the ssh program, rcp with scp, and ftp with sftp. Also included is sshd (the server side of the package), and the other utilities like ssh-add, ssh-agent, ssh-keysign, ssh-keyscan, ssh-keygen and sftp-server. OpenSSH is developed by the OpenBSD Project. The software is developed in countries that permit cryptography export and is freely useable and re-useable by everyone under a BSD license.

The latest updates on new version allow administrators to handle advanced features. As of 4.4, sshd_conf now supports a “Match” directive for conditional configuration particular to specific clients based on user, group, hostname, or ip, and also a “ForceCommand” option, which can be used in conjunction with the new Match directive, to execute a specific command, regardless of or in addition to what a client requests. this is a neat way for sysadmins to grab the attention of particular users without resorting to changing their shells or other hacks. They’ve added some new logging facilities and authentication options, too. OpenSSH 4.4p includes compilable options for hardware SSL acceleratoin, experimental SELinux support, experimental Solaris process contract support…Find More about it here - openssh.org

 

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