Thanks for the reply, and perhaps my original post was confusing. I will try to be more precise.Hi
How do I open ports 5678, 5679, and 990 through the firewall for /dev/ttyUSB0 ?
Hmm. You seem to be confused. once you can open these ports in firewall any applications would be allowed to access deamons running on these ports.
There are two types of firewalls
application specific like zonealarm in windows port specific like iptables in Linux
I am trying to connect my Compaq iPaq PDA (running PocketPC 2002) to my HP/Compaq nx7000 Laptop (running Fedora Core 3) via USB (using the SynCE package). When I plug the iPaq into the USB port of the laptop, FC3 recognizes it properly and the proper modules are loaded. One of the modules is a USB<->Serial module. The next step is to establish a communications link with the iPaq. This is done with a command from the SynCE package called "synce-serial-start". This establishes a PPP connection between the Laptop and the iPaq - I am doing a "tail -f /var/log/messages" the entire time and note that a PPP connection is indeed established and IP addresses are assigned to both ends of the connection. I also get a message that I am running a firewall on the PPP connection that is blocking ports 5678, 5679, and 990. At this point I have a PPP connection established, but am still unable to communicate with the iPaq, presumably because of the firewall.
So my question remains, on Fedora Core 3, with the security & firewall as set by default in the initial installation, how do I open ports 5678, 5679 and 990 for the PPP connection?
John
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