Re: [tlug] Does Linux need, or have, a firewall?

[Dave Gutteridge <dave@example.com>]

Jim, Jan,

    Thank you for responding. I'm sorry that I wasn't more specific 
about which applications I'm currently using and the eact problems.
   
    The thing is that I've actually been struggling with P2P, port 
mapping, DHCP, and firewall issues since I first installed Ubuntu Linux 
about 6 months ago. In the meantime, I've tried just about every Linux 
based P2P application in the Ubuntu repositories, and a couple that 
weren't. I've had numerous discussions on a couple mailing lists.

    I've solved a few issues, and discovered new ones, and that's why 
I'm currently focused on the firewall issue, because I'm trying to 
isolate it as a factor from other issues.

    However, I guess I should illuminate my current set up a little better.

    For how I've set up the router, if you really want to know, you can 
see my latest discussion on Tokyopc.org, where they were really helpful:
    http://www.tokyopc.org/cgi-bin/webnews/newsgroup?G=tpc.telephony

    But the summary is that my router is set up to allow connections on 
the appropriate ports for the P2P application.

    Currently, I'm attempting to use aMule. In the preferences of that 
application, and on my router, it should be accepting connections on 
port 4662.

    But when I look at at the Firestarter interface, it says it is 
blocking connections to 4662. Further, it lists aMule as trying 
connecting on port 80. I'm not sure if that's outbound or inbound. But 
if it is outbound, it should be port 4672, I believe.

    I've tried to get firestarter to allow connections on 4662 inbound 
and 4672 outbound, but it's unclear that it actually is allowing them. 
In any case, aMule keeps reporting that I'm being given a lowID from 
servers.

    And the port 80 connection is completely beyond me. I've climbed up 
and down the aMule interface and can't find anything about port 80. It 
only has two fields for ports, inbound and outbound, which are 4662 and 
4672 respectively.

    That's the situation as I currently see it.

    It there's anything further I should explain which might shed light 
on where the hold up is, please let me know.

    Thank you.

--
Dave M G