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| comp.protocols.tcp-ip TCP and IP network protocols. |
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LinkBack | Outils de la discussion |
10/05/2006, 04h29
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#1 |
Messages: n/a
Hébergeur: |
host ip and its loopback address
Hi,
im setting some firewall rules for Samba Swat recently, and im using Ethereal for my packets sniffer, following is part of Ethereal output: No. Time Source Destination 110 3.068058 127.0.0.1 127.0.0.1 No. Time Source Destination 111 3.069289 192.168.1.2 192.168.1.2 my host's ip is 192.168.1.2, however, i can't understand the difference between a packet send from localhost to localhost and from 192.168.1.2 to 192.168.1.2, any ideas, thanks. |
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11/05/2006, 22h21
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#2 |
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Messages: n/a
Hébergeur: |
Re: host ip and its loopback address
On Tue, 09 May 2006 20:29:19 -0700, johan.511orphanage wrote:
> Hi, > > im setting some firewall rules for Samba Swat recently, and im using > Ethereal for my packets sniffer, following is part of Ethereal output: > > No. Time Source Destination > 110 3.068058 127.0.0.1 127.0.0.1 > No. Time Source Destination > 111 3.069289 192.168.1.2 192.168.1.2 > > my host's ip is 192.168.1.2, however, i can't understand the difference > between a packet send from localhost to localhost and from 192.168.1.2 > to 192.168.1.2, any ideas, thanks. There is no real difference. Both are sent over the loopback interface. As you should never firewall your loopback interface the difference is moot anyway. M4 -- Redundancy is a great way to introduce more single points of failure. |
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