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Operating Systems Solaris How to securely invoke a Solaris privildged command (root) remotely? Post 302283314 by otheus on Tuesday 3rd of February 2009 04:57:03 AM
Old 02-03-2009
In general, use SSH to accomplish secure remote command execution. You create a public/private keypair for each user and distribute that user's public keys to all the other machines. Then you can securely have root log into another root host.

Quote:
What security issues can I potentially have with the above approach?
Many. If the "privileged command" can be tricked or fooled in some way, the security will be broken. If the "privileged command" is actually a script, there's a good chance this can be broken no matter what. If the command takes input from the user, there's a possibility the security can be broken. On the other hand, doing this is much better than allowing a user root access or allowing the user to run a script with sudo.

Quote:
Is there other obvious (standard??) way to invoke privileged commands remotely that do not require some sort of agent running on each server? (Do I need an agent on each box??)
Yes, but rsh is deemed broken by nearly all security experts. It works fairly well, however, in a LAN not connected to the internet and in which every NIC is using IPSEC or every port is locked to a MAC-Address, and in which all hostnames are kept statically on the /etc/hosts file of every hosts.

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Would the new feature of Solaris 10 privileges help me in any way?[/QUOTE]

Yes, but they would not work in a heterogeneous network (mixed with other OS's).
 

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SSH-COPY-ID(1)						    BSD General Commands Manual 					    SSH-COPY-ID(1)

NAME
ssh-copy-id -- copy public keys to a remote host SYNOPSIS
ssh-copy-id [-lv] [-i keyfile] [-o option] [-p port] [user@]hostname DESCRIPTION
The ssh-copy-id utility copies public keys to a remote host's ~/.ssh/authorized_keys file (creating the file and directory, if required). The following options are available: -i file Copy the public key contained in file. This option can be specified multiple times and can be combined with the -l option. If a private key is specified and a public key is found then the public key will be used. -l Copy the keys currently held by ssh-agent(1). This is the default if the -i option was not specified. -o ssh-option Pass this option directly to ssh(1). This option can be specified multiple times. -p port Connect to the specified port on the remote host instead of the default. -v Pass -v to ssh(1). The remaining arguments are a list of remote hosts to connect to, each one optionally qualified by a user name. EXIT STATUS
The ssh-copy-id utility exits 0 on success, and >0 if an error occurs. EXAMPLES
To send a specific key to multiple hosts: $ ssh-copy-id -i /path/to/keyfile.pub user@host1 user@host2 user@host3 HISTORY
The ssh-copy-id utility was written by Eitan Adler <eadler@FreeBSD.org> as a drop-in replacement for an existing utility included with OpenSSH. BSD
February 28, 2014 BSD
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