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Operating Systems
Solaris
do i need these users?
Post 302071029 by dsbeerf on Tuesday 11th of April 2006 01:45:21 PM
04-11-2006
While it is not necessary, it is recommended that you get rid of the 'UUCP' users. [uucp & nuucp]
Since they belong to a 'system' that is RARELY used.
You do this by executing the 'pkgrm' command for the two UUCP packages: SUNWbnuu && SUNWbnur.
Which (respectively) are 'Basic Networking Utilities (User)' and 'Basic Networking Utilities (Root)'.
[Remove in that order.]
They are usually considered security risks, and are really not much use unless there is a modem attached to the computer.
The 'nobody && noaccess' users are sometimes used as IDs to run certain processed as, to make the processes less likely to cause harm if 'hacked'.
Netscape used to run the 'httpd' as 'nobody' by default, some folks run Apache as that user.
The 'smmsp' user is what sendmail runs it's 'listen' process as, and the 'listen' user is a left over from the AT&T System V Release 4 OS (which was the original 'root OS' that Solaris grew out of).
The 'listen' user no longer is used, BUT, as you said, there might be 'stuff' lingering around that requires it.
Since they belong to a 'system' that is RARELY used.
You do this by executing the 'pkgrm' command for the two UUCP packages: SUNWbnuu && SUNWbnur.
Which (respectively) are 'Basic Networking Utilities (User)' and 'Basic Networking Utilities (Root)'.
[Remove in that order.]
They are usually considered security risks, and are really not much use unless there is a modem attached to the computer.
The 'nobody && noaccess' users are sometimes used as IDs to run certain processed as, to make the processes less likely to cause harm if 'hacked'.
Netscape used to run the 'httpd' as 'nobody' by default, some folks run Apache as that user.
The 'smmsp' user is what sendmail runs it's 'listen' process as, and the 'listen' user is a left over from the AT&T System V Release 4 OS (which was the original 'root OS' that Solaris grew out of).
The 'listen' user no longer is used, BUT, as you said, there might be 'stuff' lingering around that requires it.
Last edited by dsbeerf; 04-11-2006 at 02:54 PM..
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LEARN ABOUT OSF1
foreign
Foreign(4) Kernel Interfaces Manual Foreign(4) NAME
Foreign - Logs contact attempts from unknown systems SYNOPSIS
/usr/lib/uucp/.Admin/Foreign DESCRIPTION
The /usr/lib/uucp/.Admin/Foreign file lists access attempts by unknown systems. The /usr/lib/uucp/remote.unknown shell script appends an entry to the Foreign file each time a remote computer that is not listed in the local /usr/lib/uucp/Systems file attempts to communicate with that local system. Someone with superuser authority can customize entries in the Foreign file to fit the needs of a specific site by modifying the remote.unknown shell script. EXAMPLES
The following is a sample entry in the Foreign file: Wed Sep 20 20:38:22 CDT 1989: call from the system merlin System merlin, which is not listed in the /usr/lib/uucp/Systems file, attempted to log in on September 20 at 10:38 p.m., but the uucp pro- gram did not allow the unknown system to log in. FILES
Describes access permissions for remote systems Describes accessible remote systems Records contacts from unknown systems in the Foreign file Contains the Foreign file and other uucp administrative files RELATED INFORMATION
Commands: uucp(1), uudemon.cleanu(4), uux(1) Daemons: cron(8), uucico(8), uuxqt(1) delim off Foreign(4)