Mailinglist Archive: opensuse-security (260 mails)

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Re: [suse-security] ipchains: unknown ICMP requests ...
  • From: Juri Haberland <news-list.suse.security@xxxxxxxxxxxxx>
  • Date: Thu, 13 Jul 2000 09:52:01 +0200
  • Message-id: <news2mail-396D7521.ABA091E5@xxxxxxxxxxxxx>
Patrick Frisch wrote:
>
> Hi there,
>
> we're using ipchains as firewall. Everything seems to be fine, but now and
> then, we're getting ICMP requests (PROTO=1) from low ports (1-8) to our
> webservers at ports 0 or 1. I can't figure out, what's the matter with this
> requests, it doesn't seem to hurt anyone, that the requests are blocked by
> our firewall. Is there any intelligent DENY-rule for this sort of requests ?

Looks like an ordinary ping to your web server (at least from port 8 to
port 0).

juri

--
juri.haberland@xxxxxxxxxxxxx
system engineer innominate AG
clustering & security networking people
phone: +49-30-308806-45 fax: -77 web: http://innominate.de

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