Re: Blocked Ports

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On Sun, Mar 18, 2012 at 09:21:03PM -0700, Mike Dwiggins wrote:
> I need to use Ports 27177 and 27178 but, every Port Checker I can find 
> says they are blocked.

You need to explain a bit more about your setup. What does the network you're on look like, from which system to what system are you trying to connect, and does "netstat" report the ports open on the host you want to connect to?

> My iptables setup ( for ) now is:
> 
> Incoming Packages-   Accept
> Forwarded Packets-  Accept
> Outgoing Packets-     Accept

Yes, this means iptables is turned off (or allowing everything - you can't really turn it off). But that's just on that host. It doesn't count for any other system in between, firewalls, routers etc. 

> The way I understand it, that means NO Ports should be blocked.  Am I 
> barking up the wrong tree and need to be checking with my ISP?

If you're bringing your ISP into this, then your personal home firewall is the least of your problems. Most ISPs will block some traffic but they rarely block everything. That said, if you're using a standard NAT setup, then you're blocking yourself unless you setup some port-forwarding rules. And even then, you may have issues depending on the protocol you want to use on those ports.

> I think I should be but am just looking for a sanity check!

I think you're looking at this in the wrong place. If you want remote access to your network, it's your gateway/firewall that's important. Yes, the ISP may also be blocking you - there are ways to test that too. Be aware, that most ISP/'s condition of use makes it very clear they can disconnect you if they find you're hosting services. Of couse the key word here is "find". 

Regards
  Peter Larsen
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