iptables / firewall query

From: Aseem Khurana (aseemk_at_netsoftglobal.com)
Date: 11/22/04

  • Next message: Nilesh: "IPSec through NAT Mode" 
    To: "'General Red Hat Linux discussion list'" <redhat-list@redhat.com>
Date: Mon, 22 Nov 2004 12:21:07 +0530

    Our Linux Admin is out for a week, my running server has gown down, a
    standby server has rhl.9, apache, php, mysql etc. setup and I need to put my
    machine on external IP. But I need help with the firewall config. I tried
    going through the iptables entires, and the linux-mini-firewall-howto, but
    couldn't get it in my bones and feel that I may as well goof something up.
    So I'm looking for help.
     
    The system has 2 NICs, one on local wire, and other would get the external
    IP. I need to make sure that the external client's-IP/IP-range should be the
    only one accessing a particular service of the server e.g. http/80, or
    ssh/22. And for the rest of the world... everything blocked. Along with this
    the local network's systems should be able to access everything as usual.
    What should I configure and how, please help.
     
    p.s. - My co. might need one more guy in the coming month, and if someone of
    you is from Chandigarh, and interested for a Job I can forward your resume
    as a sys. admn. Thx.

    thanks,
    Aseem. 

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