Do you have an explanation of port forwarding [port 113] [forward port]

Q: W like the following to use DCC in mIRC. The parts in brackets are my questions Thanks:

1) 113 for identd to work. (OK Please help physical /)

2) Setting up mIRC DCC
(Thanks to Patrick Fortin-Ducharme for providing this info!)

This is to set up an IRC client (mIRC 5.71) and router (BEFSR41 ) to send / receive files via DCC Cable / DSL Router without using DMZ Host.

In Mirc:
1. Go to DCC, Options, DCC ports (Assuming that you never send more than 10 files at once. If so, set “First to a lower number.

a) set of” First “
b 4990) set “Last” to
c 5000) Click OK and Exit.

On the router (I suggest 1.33 beta firmware or firmware that support “Port Range in Forwarding)
Set same ports as above port range, IP and use the computer that you want to use mIRC DCC. (I think I know how to do this)


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Re:guy, ygpm with some helpful hints

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Re:Oh many many thanks, guy. I can follow that I'm pretty sure. Thanks especially for encluding the bit about what will happen to the second machine.

Thanks too Jack. The first place I checked was the online manual, but I didn't see that.


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Re:The same page where you put in the ports 4990 and 5000 is where you put in , just on a different line. It's been a while since I used a Linksys router, so I've got to go to their site to see if they have instructions for this part (since it's an "advanced" thing, they don't support it with tech support).

Heh. Oddly, when I query their knowledge base with "How do I port forward with a Linksys router?", the response is that I used a word not allowed on their site. No idea what that means…

Ah, the user guide (ftp://ftp.linksys.com/pdf/befsr11_befsr41ug.pdf) has instructions on port forwarding, in detail.

The UPnP section is for Windows Universal Plug and Play, which is not something you want to enable. It's a function to enable things like automatically detecting devices on your network, but you don't want it reachable from the Internet due to security vulnerability.

The "Customized Application" field isn't really doing anything, it's just to allow you to label the forwarding function so you know why you enabled each range of ports.

The first line you could name "mIRC DCC", and the port range is as you put in, and it only uses TCP.

To add for ident, simply go to the next line, label it "ident" and put in for both "ext port" fields. This also uses only TCP.

The IP address you use should be between 192.168.1.2 and 192.168.1.99. The reason for this is that your router is probably acting as a DHCP server, meaning it is serving dynamic addresses to computers on your network. The default block of addresses it uses starts at 192.168.1.100, so your computer should be assigned an address below that, to avoid the possibility of another computer being assigned the same IP.

To configure your machine with a static IP, the first thing to do is go into the router's configuration and into the "Status" tab/screen. There you'll see the information for the "WAN" status. Write down or put into Notepad the IP's under DNS.

Now go into the Windows networking configuration (either right-click on the Network icon on the desktop, which I forget the name of in all the various Windows versions, or go to Control Panel and open Network). Select the TCP/IP configuration for the network card in your machine (make sure you pick the TCP/IP item, not just the network card) and hit Properties; the exact things you need to select will depend on the version of Windows, but I'm assuming you're using Win98.

In the dialog that follows you'll find tabs for Gateway, DNS, and IP Address (or Gateway will be on the IP Address tab in some versions). Fill in the IP address with the IP you've chosen to use, with a "subnet mask" of 255.255.255.0. In the Gateway field, put in 192.168.1.1. On the DNS tab, you'll need to put in a "hostname", which can be anything you want since it only applies to your machine, but if you ever put another machine on your network with static IP's, it ought to be unique. Then fill in the 2 or 3 DNS server IP's that you got from the router (the order isn't usually important, but should probably be added in the same order that the router had them).

On the WINS tab, you can disable WINS resolution, it's just clutter that's not needed.

Hit OK through all the menu's. Windows will do its stupid loading of drivers and probably ask for your Win98 CD, reinstall a bunch of files. It'll probably tell you that you there are new files and ask if you want to overwrite, if you've ever applied any patches from Microsoft, so you should tell it not to overwrite those files (in fact it doesn't need to copy anything; Win9x assumes that if you change something, it needs to reinstall the entire networking subsystem).

You'll then need to reboot. When you get back in, you should be able to get online (and it may even be a little faster, depending on whether the router was acting as a DNS proxy for you before, which you've now bypassed).

The second machine will still use dynamic IP addressing, as the router will continue to act as a DHCP server. You should be able to use DCC now through mIRC, and when you connect to servers, the status screen will show an ident response from you.


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Re:Page 56 of the the sixty pages PDF user Guide.

ftp://ftp.linksys.com/pdf/befsr11_befsr41ug.pdf

In addition, if you have no clue, then read the whole manual.


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Re:The problem I have is that I don't know where to enter the values, what goes where and whether it's TCP or UDP

OK when I when I type 192.168.1.1 and click on the advanced tab and then the forwarding tab I get a filtering page with a forwarding tab that takes me to a page that has 10 of the following called Port Range Forwarding and in which I put:

Customize Application=MIRC; Ext. Port=4990 5000; Protocal TCP=checked; Protocal UDP=not checked; IP Address=192.168.101; and enabled=checked

Now where does the 113 go, or if 113 113 should have gone where 4990 5000 are where does 4990 5000 go? At the bottom is a click bar called UPnP Forwarding, I don't know what that is, but it opens a similar page where I can just put MIRC as the application, 113 as the external port, TCP or UDP, and 113 as the internal port and then the IP address and enabled. How should I be handeling this asd should I check TCP or UDP or both in each case?

edit: I'm tlos I also should set a static IP for my machine so rebooting doesn't mess it up? I have two computers behind the router. Would I have to make them both static and How do I do so?


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Re:Use a web browser to go to the internal IP of your router (192.168.1.1 I think is the default). Default password is "admin" with no username I think, the manual should say for sure. The configuration is web based, uses tabs to display menus. Click the advanced tab.

Now a Forwarding tab should be visible. This will have 10 lines available, you can forward 10 ranges total. For the first one, put 113 in both the start and end fields, and the IP address of your machine in the destination. (You will need to configure your own machine with a static IP address, DNS servers, et cetera, otherwise it won't work if you reboot and happen to get a different IP dynamically.) This will forward ident requests to your machine (which will only be responded to if you have mIRC running, or another application which runs an ident server.)

Next fill in the start and end fields for the port range you're using for mIRC's DCC (in this case, 4990 and 5000) and your machine's internal IP for the destination.

Apply the changes, and you should be working. You might need to reboot the router, but most likely not.

You pretty much seem to know how to do it all, if you already know how to forward the IP range. The only thing you don't seem sure of is forwarding , which is just done by creating a "range" of only one port.


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