Can't receive any files using mIRC...

[Trente]

K, here is my story:


I have registered to a different ISP lately and ever since I have been unable to recieve any files via mIRC.

It seems that when someone sends me a file and I approve it, I can see a new connection created: a host name along with the proper port in my firewall to which bytes are sent from my PC, but nothing is coming in and the status window is stuck on "Accept Send"; after mIRC gives up and shows an error, the connection is dropped.

Something is obviously wrong. for some reason I can connect, join a channel, even send data to the other side, but nothing is coming in...

Also, I have disabled my firewall, but to no avail. I even removed it and installed a different one - same result. I even removed and installed mIRC from the beginning without saving settings - it didn't work!


One important thing I did notice: my IP address granted to me by my current ISP, can not be resolved - that is, when I perform nslookup on it, it finds nothing - as if I don't have a host name at all. on my old ISP, I had a host that contained something like: yyy-xxx-xxx-xx-tttttt-yyyyyyyy.yyy

X = part of the IP

Y = part of the ISP's name

T = the connection method.


When attempting to conenct to a server, mIRC failes to resolve my address and uses my local host instead.

If I ping my local host then it is resolved to my own IP and so I ping myself...


How the hell is this possible? how can anyone ping himself? I was never able to do so when I had my own host as I had on my old ISP.

Can any of you network gurus explain this to me please?! Is my ISP playing tricks on me?
Is it possible that my IP was intended to be used for a local network? how can there be no host for it?


😕

 

[Trente]

Bump!

 

[n0cmonkey]

Everyone should be able to ping themselves, unless they put something in place to prevent it. Not all IP addresses resolve to hostnames, only the ones that were setup to do so.

Do you have a router or anything? If so, are the correct ports forwarded?
Have you tried a different client?

 

[Trente]

I don't have a router; only one PC is connected to my Motorola SB4101 modem, performing as a DHCP.

You mean a different IRC client? please enlighten me...

IIRC, when I had an IP with a host, I was never able to ping myself!

 

[n0cmonkey]

Originally posted by: Trente
I don't have a router; only one PC is connected to my Motorola SB4101 modem, performing as a DHCP.

Does the Motorola perform NAT? If you are unsure, post the first 2 octects of your ip address here (the first two numbers: x.y.don't tell.keep secret). If it's 192.168, then the Motorla does NAT, and you will have to forward ports from it to your computer.

You mean a different IRC client? please enlighten me...

Are you looking for suggestions, or an explanation of what I meant? I did mean other clients, but I haven't used an IRC client on a Windows machine in years. So suggestions from me wouldn't be very helpful. 🙂

If it's a NAT issue after all, the client is probably working just fine.

IIRC, when I had an IP with a host, I was never able to ping myself!

It may have been your firewall blocking it before, or you are remembering incorrectly. Or something REALLY funky was going on. 😛 I can ping myself whether the ip resolves to a hostname or not. 🙂

 

[Trente]

Does the Motorola perform NAT?

It does't.

It may have been your firewall blocking it before

Come to think about, you might be right, since I am now using a different Firewall than what I was using before, and so it is posisble that the one I am using now enables me to ping myself, as it also enables my to perform 'tracert' commands while the old one blocked it.


Why are there IP addresses which can be resolved while others can't? What is the function of it? What is good for?

 

[n0cmonkey]

Originally posted by: Trente

Why are there IP addresses which can be resolved while others can't? What is the function of it? What is good for?

Because the DNS admin never set up those IPs to resolve to hostnames. It seems to be REALLY common outside of north america.

 

[Trente]

Originally posted by: n0cmonkey

Originally posted by: Trente

Why are there IP addresses which can be resolved while others can't? What is the function of it? What is good for?

Because the DNS admin never set up those IPs to resolve to hostnames. It seems to be REALLY common outside of north america.

Is there any "downside" to this?

 

[n0cmonkey]

Originally posted by: Trente

Originally posted by: n0cmonkey

Originally posted by: Trente

Why are there IP addresses which can be resolved while others can't? What is the function of it? What is good for?

Because the DNS admin never set up those IPs to resolve to hostnames. It seems to be REALLY common outside of north america.

Is there any "downside" to this?

Not that I'm aware of. If there are downsides, they are probably niche occurances... Pretty sure I've been able to download and upload files from/to people without an ip that resolves to a hostname.