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[BL] nmap and security

From: sindi keesan <keesan AT sdf.lonestar.org>
To: baslinux AT lists.ibiblio.org
Subject: [BL] nmap and security
Date: Sat, 27 Jan 2007 16:34:49 +0000 (UTC)

I found 101 pages of man for nmap. The TAG people (who had various theories about lpr and root, and also suggested a printing script instead) keep telling me running as root is insecure and to check my ports. nmap works in BL2 (nmapfe wants libc5 X). It listed a lot of open ports at sdf.lonestar.org. 21 23 79 80 etc. telnet ftp http?

nmap -v -A 127.0.0.1 said all 1663 ports are closed.

How should I use nmap to check if my computer is vulnerable while online?
If I don't run telnetd sshd etc is there any security risk?

keesan AT sdf.lonestar.org
SDF Public Access UNIX System - http://sdf.lonestar.org

[BL] nmap and security, sindi keesan, 01/27/2007
- Re: [BL] nmap and security, 3aoo-cvfd, 01/27/2007
  - Re: [BL] nmap and security 24, Lee Forrest, 01/27/2007
  - Re: [BL] nmap and security, sindi keesan, 01/27/2007
    - Re: [BL] nmap and security, Samual Acorn, 01/28/2007
- Re: [BL] nmap and security, Samual Acorn, 01/28/2007
  - Re: [BL] nmap and security, Karolis Lyvens, 01/28/2007
    - Re: [BL] nmap and security, sindi keesan, 01/28/2007
      - Re: [BL] nmap and security, Karolis Lyvens, 01/28/2007
        
        Re: [BL] nmap and security, sindi keesan, 01/28/2007
    - Re: [BL] nmap and security, sindi keesan, 01/28/2007