[PLUG] firewall detection

[Art Alexion <art.alexion@verizon.net>]

Some firewall is blocking port 6331.  My router's firewall is supposed to be 
off, but the port was not blocked before installing the router.  

Is there a way to detect which firewall is blocking the port?
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Art Alexion
Arthur S. Alexion LLC

PGP fingerprint: 52A4 B10C AA73 096F A661  92D2 3B65 8EAC ACC5 BA7A
The attachment - signature.asc - is my electronic signature; no need for 
alarm.
Info @ 
http://mysite.verizon.net/art.alexion/encryption/signature.asc.what.html
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Attachment: pgpF6bYrlmMW7.pgp
Description: PGP signature

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