[Wlug] port security question

Andy Stewart andystewart at comcast.net
Mon May 12 07:16:16 EDT 2008


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Simeon MacMillen wrote:
> I'm trying to set up Echolink (amateur radio software) on Ubuntu
> (through WINE).  My computer failed the firewall tests -the
> troubleshooting material recommended the following:
> 
> Allow UDP destination ports 5198-5199 between Internet and PC in both directions
> Allow TCP (source port any, destination port 5200) from PC to Internet
> 
> What security risks do I introduce by doing this?  (Is it worth the risk?)
> 

Hi Simeon,

For those who may not know, "EchoLink® software allows licensed Amateur
Radio stations to communicate with one another over the Internet, using
voice-over-IP (VoIP) technology."  (from www.echolink.org)

I'm wondering if EchoLinux would do the job for you instead of using
WINE.  See http://cqinet.sourceforge.net/.

I don't think there should be a problem opening these ports for EchoLink
use.  On my machine, the ports are unassigned.

Have fun, and 73,

Andy

- --
Andy Stewart, Founder
Worcester Linux Users' Group (http://www.wlug.org)
Chelmsford Linux Meetup Group (http://linux.meetup.com/393)
Amateur Radio:  KB1OIQ
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