version 1.31, 2004/04/28 05:17:10 |
version 1.32, 2004/04/28 07:02:56 |
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user environments. |
user environments. |
For this reason, care should be taken in the use of this directive. |
For this reason, care should be taken in the use of this directive. |
The default is not to accept any environment variables. |
The default is not to accept any environment variables. |
.Pp |
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.It Cm AllowGroups |
.It Cm AllowGroups |
This keyword can be followed by a list of group name patterns, separated |
This keyword can be followed by a list of group name patterns, separated |
by spaces. |
by spaces. |
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wildcards in the patterns. |
wildcards in the patterns. |
Only group names are valid; a numerical group ID is not recognized. |
Only group names are valid; a numerical group ID is not recognized. |
By default, login is allowed for all groups. |
By default, login is allowed for all groups. |
.Pp |
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.It Cm AllowTcpForwarding |
.It Cm AllowTcpForwarding |
Specifies whether TCP forwarding is permitted. |
Specifies whether TCP forwarding is permitted. |
The default is |
The default is |
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Note that disabling TCP forwarding does not improve security unless |
Note that disabling TCP forwarding does not improve security unless |
users are also denied shell access, as they can always install their |
users are also denied shell access, as they can always install their |
own forwarders. |
own forwarders. |
.Pp |
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.It Cm AllowUsers |
.It Cm AllowUsers |
This keyword can be followed by a list of user name patterns, separated |
This keyword can be followed by a list of user name patterns, separated |
by spaces. |
by spaces. |
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If the pattern takes the form USER@HOST then USER and HOST |
If the pattern takes the form USER@HOST then USER and HOST |
are separately checked, restricting logins to particular |
are separately checked, restricting logins to particular |
users from particular hosts. |
users from particular hosts. |
.Pp |
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.It Cm AuthorizedKeysFile |
.It Cm AuthorizedKeysFile |
Specifies the file that contains the public keys that can be used |
Specifies the file that contains the public keys that can be used |
for user authentication. |
for user authentication. |
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authentication is allowed. |
authentication is allowed. |
This option is only available for protocol version 2. |
This option is only available for protocol version 2. |
By default, no banner is displayed. |
By default, no banner is displayed. |
.Pp |
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.It Cm ChallengeResponseAuthentication |
.It Cm ChallengeResponseAuthentication |
Specifies whether challenge response authentication is allowed. |
Specifies whether challenge response authentication is allowed. |
All authentication styles from |
All authentication styles from |
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Specifies the ciphers allowed for protocol version 2. |
Specifies the ciphers allowed for protocol version 2. |
Multiple ciphers must be comma-separated. |
Multiple ciphers must be comma-separated. |
The default is |
The default is |
.Pp |
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.Bd -literal |
.Bd -literal |
``aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour, |
``aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour, |
aes192-cbc,aes256-cbc,aes128-ctr,aes192-ctr,aes256-ctr'' |
aes192-cbc,aes256-cbc,aes128-ctr,aes192-ctr,aes256-ctr'' |
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wildcards in the patterns. |
wildcards in the patterns. |
Only group names are valid; a numerical group ID is not recognized. |
Only group names are valid; a numerical group ID is not recognized. |
By default, login is allowed for all groups. |
By default, login is allowed for all groups. |
.Pp |
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.It Cm DenyUsers |
.It Cm DenyUsers |
This keyword can be followed by a list of user name patterns, separated |
This keyword can be followed by a list of user name patterns, separated |
by spaces. |
by spaces. |