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Author Topic: Is My TCP Port Available?  (Read 2432 times)

buffyslay

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Is My TCP Port Available?
« on: January 10, 2007, 02:43:21 PM »

I'm running aMule under Mac OS 10.4.8. My system 'Firewall' is "Off" and I have no other firewall software installed. My Mac is configured for a static IP address and my modem/router (Billion 7300G) is configured for port forwarding. aMule is showing green arrows for both up/downloading. Despite this aMule's 'Port Connection Tester' says my TCP port 4662 is blocked. This is the message I get:

Error: TCP port 4662 is unavailable. Make sure your firewall or router is allowing/forwarding this TCP service port and your ED2K client is running.

Detailed Error Message
TCP Error 111 Connection refused

Explanation
The port is available for connections but a connection was refused meaning there is nothing listening on that port. This most likely means you can use ED2K but your client is not currently running. Try running this test again with an ED2K client running to make sure you can really establish a connection.

Obviously I am running aMule when I run the test. I enabled 'Firewall Logging' (under Sharing/Firewall/Advanced) and it reports the following:

*** Server UDP socket (TCP+3) at 0.0.0.0:4665
*** TCP socket (TCP) listening on 0.0.0.0:4662
*** Client UDP socket (extended eMule) at 0.0.0.0:4672

I also ran a 'Port Scan' (in Network Utility) to scan for open ports. This is what it reports:

Port Scanning host: 192.168.1.136

       Open TCP Port:    4662            
Port Scan has completed ...

According to the Firewall Log and Port Scan my TCP 4662 port is open. Is it possible aMule's Port Connection Tester is incorrectly reporting the port as blocked when in fact it is open?
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lfroen

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Re: Is My TCP Port Available?
« Reply #1 on: January 10, 2007, 02:55:10 PM »

You're testing port FROM INSIDE and see it open. It is possible that 1. you have firewall between this computer and amule.org 2. your provider playing tricks 3. both
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lionel77

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Re: Is My TCP Port Available?
« Reply #2 on: January 10, 2007, 10:55:29 PM »

The weird thing is that he is saying that amule shows both ed2k and kad as highID (that's actually what those two green arrows indicate, buffyslay, they are not for up/down connections), and that is not based on a local test.
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