OSEC

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From: Anupam (frj780jdy85533001sneakemail.com)
Date: Sat Mar 02 2002 - 10:16:19 CST

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    I know I am being paranoid :-), being new to security, I am guess I am
    allowed this liberty.

    Question to the list:
    Is there any way of 'safely' storing audit files on a remote-server?

    I know this question is not very well formed. Let me explain with the
    example. If one uses a syslog server, the data on syslog server becomes an
    append-only file-system. This basically ensures that the only way the data
    on this server can be erased is, if the syslog server is compromised.

    Kludgy solution:
    ----------------
    - Pull audit files at regular intervals of time onto a more secure server,
    and store the files by time-stamps. This way some sort of snap-shot is
    maintained.

    Refined questions:
    ------------------
    - Is there a similar way to set-up a effectively append-only file system on
    a remote server?
    - I hear (might be wrong) that BSD supports append-only file systems, is
    there something equivalent for Solaris (maybe via NFS)?
    - Is there a way of doing this via NFS?
    - Is there something better than the kludgy solution - automated
    time-stamped file-pulls at regular intervals of time?

    Even RTFM type posts are appreciated. I will summarize this post.

    Thanks,

    - Anupam