To this end, the developers of SSH allowed to restrict via the .ssh/authorized_keys the commands that can be executed of specific keys. This works great for simple commands, but as using rsync requires executing remote commands withe different arguments on the remote end, depending on the ...
moduli.-m key_fmt Conversion formatfor-e/-i(PEM|PKCS8|RFC4716).-Nphrase Providenewpassphrase.-n name,...User/host principal names to includeincertificate-Ooption Specify a certificate option.-o Enforcenewprivatekey format.-Pphrase Provide old passphrase.-p Change passphraseofprivatekey file....
The DH generator value will be chosen automatically for the prime under consideration. If a specific generator is desired, it may be requested using the -W option. Valid generator values are 2, 3, and 5. Screened DH groups may be installed in /etc/ssh/moduli. It is important that this ...
使用命令 "ssh-keygen -t rsa" [user1@rh user1]$ ssh-keygen -t rsa Generating public/private rsa key pair. Enter file in which to save the key (/home/user1/.ssh/id_rsa): Created directory '/home/user1/.ssh'. Enter passphrase (empty for no passphrase): Enter same passphrase agai...
The regulations that govern the use case for SSH may require a specific key length to be used. In general, 2048 bits is considered to be sufficient for RSA keys.-e“Export” This option allows reformatting of existing keys between the OpenSSH key file format and the format documented in ...
A certificate option may disable features of the SSH session, may be valid only when presented from particular source addresses or may force the use of a specific command. The options that are valid for user certificates are: clear Clear all enabled permissions. This is useful for clearing the...
# system-specific logs may be also be configured here. [root@localhost ~]# cd /etc/logrotate.d/ [root@localhost logrotate.d]# ls acpid conman cups iscsiuiolog mgetty ppp psacct rpm subscription-manager syslog up2date wpa_supplicant yum ...
A certificate option may disable features of the SSH session, may be valid only when presented from particular source addresses or may force the use of a specific command. The options that are valid for user certificates are: clear Clear all enabled permissions. This is useful for clearing the...
force the use of a specific command. .Pp The options that are valid for user certificates are: .Pp .Bl -tag -width Ds -compact .It Ic clear Clear all enabled permissions. This is useful for clearing the default set of permissions so permissions may be added individually. ....
Specify one or more principals (user or host names) to be included in a certificate when signing a key. Multiple principals may be specified, separated by commas. See the CERTIFICATES section for details. -O option Specify a key/value option. These are specific to the operation that sec...