[THIN] Re: Tracert
- From: "Braebaum, Neil" <Neil.Braebaum@xxxxxxxxxxxxxxxxx>
- To: "'thin@xxxxxxxxxxxxx'" <thin@xxxxxxxxxxxxx>,"'windows2000@xxxxxxxxxxxxx'" <windows2000@xxxxxxxxxxxxx>
- Date: Fri, 27 Jun 2003 17:01:16 +0100
> -----Original Message-----
> From: bbeckett2000@xxxxxxxxx [mailto:bbeckett2000@xxxxxxxxx]
> Sent: 27 June 2003 16:55
> To: windows2000@xxxxxxxxxxxxx; thin@xxxxxxxxxxxxx
> Subject: [THIN] Tracert
>
> Stupid question but when you want to prevent anyone pinging
> you boxes from the
> outside world, you block ICMP packets.
Indeedy.
However, if you want to be able to ping or traceroute out, you don't
necessarily have to block icmp outbound.
> Does tracert also use
> ICMP packets or
> something else?
AFAIK it uses ICMP.
> In other words, if you block ICMP, you block
> the ability for
> others to ping you, does this also block a tracert?
Well up to a point - tracert should still discover fine up to the blocking
firewall.
And you can always block ICMP coming in, but allow it going out - if you
still want to be able to.
Neil
***********************************************************************
This e-mail and its attachments are confidential and are intended for
the above named recipient only. If this has come to you in error,
please notify the sender immediately and delete this email from your
system. You must take no action based on this, nor must you copy or
disclose it or any part of its contents to any person or organisation.
Statements and opinions contained in this email may not necessarily
represent those of Littlewoods. Please note that email communications
may be monitored.
The registered office of Littlewoods Limited and its subsidiaries
is 100 Old Hall Street, Liverpool, L70 1AB.
Registered number of Littlewoods Limited is 262152
***********************************************************************
********************************************************
This weeks sponsor - RTOSoft TScale
Complaints about applications response time - DO SOMETHING ABOUT IT!
TScale 2.0 improves applications response time and increases terminal
server capacity. Really get MORE from your existing servers! Free eval:
http://www.rtosoft.com/enter.asp?id=130
**********************************************************
Useful Thin Client Computing Links are available at:
http://thethin.net/links.cfm
For Archives, to Unsubscribe, Subscribe or
set Digest or Vacation mode use the below link:
http://thethin.net/citrixlist.cfm
Other related posts:
