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[french_guy]

Well, I thought that was the purpose of that forum..........help each other!!!

[dividedhighw]

I'm perfectly clear on the purpose of the forum (indeed, any forum).  Although I haven't posted much on this particular one I'm no stranger to forums and regular give/get peer help/advice.  Everything I know, I had to learn (at least once, sometimes more) - that's the same for everyone!

My advice to you was/is, study up on a number of topics first.  Or, for your current need (which has more complexity than you can handle from your current knowledge level), seek more advanced help, but shadow that person to learn in context.

The point is, the learning curve is just too steep when you don't understand so many things, including, IP addressing (private vs. public and the relevance of various ones you see), ports (which to forward, which might be blocked, how to work around it, etc), the FTP protocol (various issues including passive mode, need for two ports, etc), and so on.

I expressed an observation and gave some advice - no "diss" intended.

[french_guy]

Well, I understand and point is taken...
But on the other hand, I do not want to become a specialist by reading/learning tons of things on general network only to make something works when it's supposed to work "easily" when you look at the DLink owner's manual
I have a network cam (DSC 930L) and I have the same problem while the manual says it quite easy to access it over the internet...And I tink I did "per the book" what they explained
So no I don't want to analyze tons of forums to understand better and in details to finally find by myself the solution. I prefer to go on a forum to find the right help
But again, I do this because when you read the owner's manual from D-Link, it seems quite easy to make it works....But it's obviously not
And for the little story, I'm French, I used to live 5 years in the USA and now I've leaving in Brazil for 1 year (for my job)...So I don't have any friend specialist in network that could help me out. And even if i could find someone, language might be an issue since I'm not good (at all) with Portuguese and English or French is not so common in my area...lol

[Wiggs]

@dividedhighw - Although you say that there is no "diss" intended, your posts offer no help at all to the OP for the problem he/she brought to this forum.  

This forum exists so that people "who don't have the knowledge" can learn to do things for themselves through the participation of this community's members.

If one were to follow your advice, then every question posed should be answered with "hire someone to do what you are trying to do because you lack the technical knowledge".  I don't believe that is the spirit of this forum.

No "diss" intended - Just my $0.02.

Regards,

[ivan]

@french_guy, I can understand everything you are saying - I'm an Englishman in France but one thing I would say, if you don't understand anything that is said - say so.

Most of us that try and help either work at the hardware end of computing or have learned the hard way to use the equipment and so may assume more knowledge on the part of the person asking the question than that person actually has.

Myself, I am a diagnostic engineer - among other things, and have to admit get a little frustrated when people don't describe their problem fully and give all relevant information.

Now on to your problem.  Why do you have a modem/router and a router in your setup?  Why not just use modem/router <--->  Switch  <---> DNS-323  with your computer connected to the switch as well?  If you want WiFi then use an AP connected to the switch.

[dividedhighw]

OK - I'll bite, but only to give one last attempt to explain myself .... not to start a flaming war.

I offered "help" in the way of advice which I believe is sage and appropriate.  I was once doing a plumbing job that seemed simple at first.  Then I got in over my head and eventually realized the well-meaning advice I got along the way should have included "know when you've bitten off too much".  I was only trying to do likewise, hence the "no diss intended".

You are welcome to your opinion that my advice is not meaningful, but for example if the OP had said they had set up FTP to their DLink box in a certain fashion which seemed correct but couldn't get a response, say from work, I could have offered the observation that some enterprises block/restrict FTP access from their networks (i.e. outgoing to port 21 isn't allowed) and perhaps moving to a well-known port like port 22 (which almost certainly wouldn't be blocked) might do the trick.  This I would categorize as appropriate forum help.

The problem here is that I have the impression the OP doesn't understand IP addressing or ports, etc, thereby raising more queries and prolonging the agony rather than being of help.  So, in my example, the above advice, however meaningful/intended, would be wasted.

That's why I said I admire the people (like you, @Wiggs) who are trying to help.

HTH ... if not, consider my original comment retracted.  Forums have been a HUGE help to me in the past and I hope, continue to be so, going forward.

DH

@dividedhighw - Although you say that there is no "diss" intended, your posts offer no help at all to the OP for the problem he/she brought to this forum.  

This forum exists so that people "who don't have the knowledge" can learn to do things for themselves through the participation of this community's members.

If one were to follow your advice, then every question posed should be answered with "hire someone to do what you are trying to do because you lack the technical knowledge".  I don't believe that is the spirit of this forum.

No "diss" intended - Just my $0.02.

Regards,

[OlegMZ]

French_guy, check what you see at WAN configuration of your router. If it says DHCP and obtained IP address is something like 192.168.x.x it means that your DSL modem acts as a router and also performs dynamic address translation. As a result all of your packets from outside reach your DSL modem and are being dropped because DSL modem has no idea about any port forwarding you implemented on the router.
In order to make things work you need:
1) obtain PPPoE credentials for your DSL connection (in the form <username@isp.xxx> <password>)
2) configure WAN interface of your router with these PPPoE credentials (instead of DHCP)
3) put your DSL modem into bridge mode (either from its web interface or by hard resetting it). Depending on your modem this last step may not even be needed because some types recognize PPPoE packets and pass them through as is.