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MAN page from RedHat 7.X nessus-server-1.0.7a-1.i386.rpm

NESSUSD

Section: User Manuals (8)
Updated: April 2000
Index 

NAME

nessus-adduser - add a user in the nessusd userbase

 

SYNOPSIS

nessus-adduser

 

DESCRIPTION

The Nessus Security Scannercomes with its own user base which contains the list of who canuse the services of nessusd, and what restriction (orrules) each user has.

nessus-adduseris a simple program which will add a user in the proper nessusdconfiguration files, and will send a signal to nessusd if it isrunning to notify it of the changes.

The program is straightforward and asks for the following items:

* Login
the login name of the nessusd user to add

* Password
the password that the user will use to connect to nessusd

* Authentification type
the authenfication method the client will use. The recommandedmethod is 'cipher'. However, if you compiled nessusd without the cipher support or if you are using a Nessus client which does notsupport the cipher layer, you'll have to use 'plaintext'

* Rules
the set of rules to apply to the user. See below.

 

RULES

Each user has his own set of rules. Rules are here to restrictthe rights of the users. For instance, you can add user 'joe' sothat he can only test the host '192.168.1.1', whereas you can add user 'bob' so that he can test whatever IP address he wishes.

Eeach rule fits on one line. A user can have an unlimited amount ofrules (and can even have no rule at all).

The syntax is :
accept|deny ip/mask
and
default accept|deny

Wheremaskis the CIDR netmask of the rule.

Thedefaultstatement must be the last rule and defines the policy of the user.

The following rule set will allow the user to test 192.168.1.0/24,192.168.3.0/24 and 172.22.0.0/16, but nothing else :
accept 192.168.1.0/24
accept 192.168.3.0/24
accept 172.22.0.0/16
default deny

The following rule set will allow the user to test whatever he wants,except the network 192.168.1.0/24 :


deny 192.168.1.0/24
default accept

The keywordlient_iphas been defined, and is replaced at run time by the IP addressof the nessusd user. For instance, if you want your users to be ableto only be able to scan the system they come from, then you wantthem to have the following ruleset :
accept client_ip
default deny

 

SEE ALSO

nessusd(8), nessus(1)

 

MORE INFORMATION ABOUT THE NESSUS PROJECT

The canonical places where you will find more information about the Nessus project are :


        http://www.nessus.org (Official site)

   

 

AUTHOR

nessus-adduser was quickly written by Renaud Deraison <deraisonAATTcvs.nessus.org>

 

BUGS

nessus-adduser creates temporary files in $TMPDIR/. If this variable is notset, then it will use /var/tmp which may be a security riskdepending of your configuration.

If you set your TMPDIR variable to /tmp, then you are in troubles


 

Index

NAME
SYNOPSIS
DESCRIPTION
RULES
SEE ALSO
MORE INFORMATION ABOUT THE NESSUS PROJECT
AUTHOR
BUGS

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