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IRC ports and firewall config

S

substance12

Senior member
I am trying to run an fserver on mIRC but I can't seem to send files over to others. I think it is because when irc sends a file it picks a random port and then tries to send. And this doesn't work for me because I have a netgear rt311 firewall/router which 'probably' blocks it. What should I do? think it would be better to disable the firewall and go software only? I've heard software firewalls are have more configurability.
 
I think that the port chosen is not random. Do a search for it on here (I think this question has been asked before) or check IANA to see if they have it listed. Or maybe a search on google.com. Then when you have the port # you can just forward that to your machine. If you are running something like an fserv (probably on Windows) you need all of the extra security you can get!
 
I briefly ran through that forum. I'll go through it in greater detail at work, heh. I did a search on "irc" on anandtech and the best article I came up with was this: http://forums.anandtech.com/messageview.cfm?catid=36&threadid=601967&highlight_key=y&keyword1=irc

I read through some of the issues that others have and I don't have a problem receiving files or even initiating a dcc chat. what I can't do is setup a fserve. And even when I do set one up, users can still view my files... just can't download. What was odd was one user actually was able to download a file off me.

I did a few of those security tests... e.g. leak test. and they only test certain ports. Are other ports not important or something? they check port 80, 23... etc... but not ports 6667 (for example).

I also noticed people have been "port forwarding". I'm not sure what that is. They seem to be able to disable the firewall on a range of ports. How do you do that with the Netgear rT311? As far as I know, I can only open up single ports, not ranges.
 
If you're familiar with the RT311 netgear router, in menu 15 I only have port 21, 113, 1??? (forgot the number) and 1024 open. However I am able to get dcc sends from others on various other ports in IRC. Does this mean there is a leak with my firewall? Why is others DCC sending to me different that me DCC sending to others?
 
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