RE: Turn off PING server on AS/400

Thanks Scott.

I have an AS/400 that I want to put on the Internet for a specific purpose.
I only want to have one port open, which I will handle with a socket server
program. I will turn all other TCP/IP servers off, including telnet.

Are you taking about an  external firewall, such as router? I wasn't
planning on using a router but I could if I have to.

Or is there a firewall on the AS/400 I can use?

Albert York                          

        -----Original Message-----
        From:   midrange-l-bounces@xxxxxxxxxxxx
[SMTP:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Scott Klement
        Sent:   Wednesday, May 12, 2004 2:19 PM
        To:     Midrange Systems Technical Discussion
        Subject:        Re: Turn off PING server on AS/400


        Hi Albert,

        > I need to be able to have the AS/400 not respond to PINGs without
shutting
        > down TCP/IP.
        >
        > I looked in the archives but I can't see anything about it.
        > Is there a simple way to do this?

        Ping is a little bit different from other TCP/IP applications, in
that
        there's no "ping server."  Ping is implemented at a lower-level,
it's part
        of the TCP/IP stack itself.

        The best way to disable it is by blocking ICMP echo packets with a
        firewall.

        Can I ask why you want to disable it?
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