Strange connection error - 10013 (Permission denied)

Using Windows 7, if that's relevant.

This comes up instantly whenever I try to connect, so I know it's somewhere on my side of the connection. I can't connect to the MUD via telnet or other clients, Java browser clients included. A strange exception, however, is the flash client at www.mudconnect.com - it'll connect to the MUD no problem. I can also connect to any other MUD via MUSHclient. My IP hasn't been banned, nor have I done anything to get banned.

Since MUSHclient doesn't even wait to try to see if I'm even online or not, I turned off ZoneAlarm and double-checked to see if the Windows firewall was off as well. No luck. I did a quick check with tracert:



What's sorta odd is that I can visit the <a href="www.ateraan.com">website</a> itself just fine. I could play the game just fine before as well, and I don't know what could have caused this error to start coming up.

Now, I usually use a wireless connection and I regularly use several different wireless networks. Same error for all of them, and it comes up just the same whether I'm connected or disconnected to the Internet.

I've searched this forum for any possible explanations, but nothing. I was using MUSHclient 4.52 and just upgraded to 4.56, nothing changed.

It seems <a href="http://www.overflowingforum.com/viewtopic.php?f=17&t=2107">the only other person on the internet</a> that's ever had a similar problem just magically "fixed it" without knowing what he was doing. Would anyone be able to guess what's preventing me from connecting?

You seem to have done a lot of diagnostics, very good. :)

There are a few subtle differences between the things that work and those that don't.

For one thing, tracert uses ICMP packets (not TCP packets) - it is possible to get to a web site using TCP (eg. your web browser) but not using ICMP.

It is interesting that the Flash client works, that tends to suggest a permissions issue at your end, for example, the firewall is configured to allow your web browser to access the Internet but not other programs (and since the web browser can get to the site, it isn't totally surprising the Flash plugin also can).

If *nothing* could get through I would suspect your firewall or router configuration, however as you can connect via the Flash client it sounds more like a PC issue (the PC firewall).

You could try a couple of things:

• Try connecting via a different PC (eg. a laptop) through the same router
  
• Try booting the PC off a Ubuntu stand-alone CDROM (you can download for free) to see if the exact hardware you have can connect if using a different operating system.

I had this same prob, also on Windows 7.
Problem was that Windows Firewall was blocking it.
Make a rule to allow it or install another firewall (like your ZoneAlarm) and disable the Windows one.

I'd been trying to use just Windows Firewall on Windows 7, but I was annoyed so much by one program punching it's own hole in the firewall (software by Apple, btw) that I installed an additional firewall too.

I've been running the Windows one and the new one for the last month or so and I'm comfy enough with the new one now to disable the Windows one. If you do decide to disable the Windows one, note you need to disable it in all the different profiles.