Re: ICMP/SYN Flood

From: Sebastian Jaenicke (tsa_at_jaenicke.org)
Date: 05/22/03

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    Date: Thu, 22 May 2003 21:39:16 +0200
To: Muhammad Naseer Bhatti <mail-lists@digitallinx.com>

    On Thu, May 22, 2003 at 07:47:21AM +0500, Muhammad Naseer Bhatti wrote:
    [..]
    > And the list goes oon .. The question I want to ask here, is the
    > network/router poorly configured at my NOC which is allowing
    > broadcasts/networks to pass through it? If so, how can I assist them to fix
    > it? I am not a Cisco guru, so might need someone to give me some hints so
    > that I can pass that to the poor NOC techs.

    "no ip directed-broadcast" disallows packets targeted at broadcast
    addresses. Note this applies to destination, but not source IP address.
    This is the default setting in Cisco IOS 12.0 and later.

    - Sebastian 

    -- 
Sebastian Jaenicke                                   Disce aut discede!
whois pgpkey-18AC0BE4 -h whois.ripe.net|perl -ne's-^certif: +--&&print'

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