Re: securing icmp protocol

From: TD - Sales International Holland B.V. (td@salesint.com)
Date: 11/15/01


Message-Id: <200111150837.JAA27845@salesint.com>
From: "TD - Sales International Holland B.V." <td@salesint.com>
To: <pradeep.pillai@nexsi.com>, "Omar Koudsi" <omark@jeeran.com>, "eko yulianto" <eko.yulianto@lippobank.co.id>, <security-basics@securityfocus.com>
Subject: Re: securing icmp protocol
Date: Thu, 15 Nov 2001 10:36:31 +0100

That will just aid your upstream, the ping will still consume your downstream
unless you block those at your ISP

On Tuesday 13 November 2001 06:43, Pradeep Kumar stuffed this into my mailbox:
> If you allow ICMP traffic and say a bad guy writes a script to send a
> continous ping steam with large size packets, that could amount to a DoS
> and flood the bandwidth.
>
> -----Original Message-----
> From: Omar Koudsi [mailto:omark@jeeran.com]
> Sent: Thursday, November 08, 2001 5:30 PM
> To: eko yulianto; security-basics@securityfocus.com
> Subject: RE: securing icmp protocol
>
>
> IMHO, ICMP traffic in nature isn't secure. Your best bet would be to block
> at your firewall, that's if you are talking about securing ICMP traffic
> from the internet.
>
>
> -----------
> Omar Koudsi
> IT Architect
> Network Security Center
> Special Systems Company
> http://security.sscjo.com
> omark@sscjo.com
> Tel: (9626) 5664221
> Fax: (9626) 5681557
>
> -----Original Message-----
> From: eko yulianto [mailto:eko.yulianto@lippobank.co.id]
> Sent: Tue, November 06, 2001 4:22 AM
> To: security-basics@securityfocus.com
> Subject: securing icmp protocol
>
>
> Hello,
> Is there anyone can telling me how to make icmp traffic secure? because I
> thought if I disallowed all icmp traffic in my network I will get headache
> if I have to checking connection when the network problem occur, thank's.
>
> Eko Yulianto
> IT Security
> Menara Asia 3rd Floor
> Diponegoro 101, Lippo Karawaci
> Tangerang, Indonesia
> Phone: +62.21.5460666 ext.5335
> Fax: +62.21.5460660
> Post Office: 15810
> E-mail:eko.yulianto@lippobank.co.id



Relevant Pages

  • RE: securing icmp protocol
    ... Subject: securing icmp protocol ... continous ping steam with large size packets, that could amount to a DoS and ... Is there anyone can telling me how to make icmp traffic secure? ... if I have to checking connection when the network problem occur, ...
    (Security-Basics)
  • securing icmp protocol
    ... Subject: securing icmp protocol ... Is there anyone can telling me how to make icmp traffic secure? ... if I have to checking connection when the network problem occur, ...
    (Security-Basics)