It looks now like the problem is an application problem (Canon's PhotoEX for my digital camera).  The Save As lets me navigate to the desired location but will not save there.  It may still be the firewall but if so, it should be popping a windw to ask if I will allow it and that is not happening.  The Firewall log does not show anything on either machine.  I found I AM able to copy files to and from the common storage using other methods using either Linux or Windows.

This is a home network of machines.  Some run Windows (mostly XP), some Linux, some dual boot XP and Linux (Ubuntu flavors mostly), a TiVo box, and sometimes visiting machines I work on for people.  I am running an eTrust Personal Firewall on the Windows bootups but none on the Linux machines.  They all sit behind a Linksys WRT54G.  Not being a networking guru I do get confused sometimes about causes for things.  Thanks for all your help and sorry I did not check this further before bothering folks.

On 9/4/06, Randy Melder <randymelder@gmail.com> wrote:
Actually, unless you are using a software firewall on one or both machines, or you physically have a firewall hardware between machines, your route won't even touch it. .101 and .105 will talk directly to each other.

To continue on this thought, your problem is not your addressing if all of your private addresses are locally connected or you have a NAT on your firewall routing 192.168.1.101 to an outside address.

If you are using windows, try the following:
1. Open an MS DOS prompt.
2. Type: nbtstat -c
3. Type: net view

If you see other computers on your network, then you're in good shape.

Next...
4. Type ipconfig /all

If your IP and subnet mask are correct, then....

5. Type ping 192.168.1.101

If it replies, then your issue is with local settings.

6. Type: tracert 192.168.1.101 to see your route to .105.

Hope this helps,

; ) .randy





On 9/4/06, Dan Lund < situationalawareness@gmail.com> wrote:
Your idea of subnet masking is right.  255.255.255.0 (/24) is
192.168.1.0 - 255 (0 being network 255 being broadcast)
So, everything being blocked would be specific to firewall rules.
Maybe check your firewall rules?
Maybe posting your ipchains or whatever other rules would spur info
from someone else.
--dan

On 9/4/06, Dazed_75 < lthielster@gmail.com > wrote:
> Exactly what does 192.168.1.0/255.255.255.0 mean?  I always thought it meant
> the 1st three octets (?) must match but that the fourth could be any value.
> IOW, having my firewall show this network being in the trusted zone meant
> any IP from 192.168.1.1 to 192.168.1.255 would be in the zone (I think the
> other value means something special).
>
> Can someone correct me?  Something isn't working as the 192.168.1.105 system
> is apparently being blocked from writing to shared disk on 192.168.1.101 by
> the firewall on 101 which shows the above being in the trusted zone.
>
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