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How to find open ports
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Fresh-Faced Recruit
Join Date: Mar 2007
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Hello, I would like to know if there is any quick way to find open ports in my university's network. I am trying to use Transmission here, and it's obvious that P2P is not allowed...
I have configured iChat to work by changing the port (since they disallowed AIM as well), but I obtained that port from a fellow student.
Might anybody know how to find a port that would allow me to use Transmission? (the trial-and-error method will take way too long and I don't have that much time...)
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Dedicated MacNNer
Join Date: Jan 2007
Location: Oakland, CA
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Offline
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You should be able to scan your school's domain for open ports. I am not on my mac right now, but I think the network utility even has a nice GUI for doing this.
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17" MBP C2D 2.33/3 GB RAM/500 GB 7200 rpm/Glossy Display|-|
17" iMac CD|-|15" PB G4 1.25 GHz|-|iBook g4 1Ghz|-|Pismo
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Administrator
Join Date: Apr 2001
Location: San Antonio TX USA
Status:
Offline
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Ask network-oriented questions in the Networking forum. I'll move you there.
By the way, if they have bothered to close "some" ports, it's likely they've closed almost all of 'em. It is their network, you know, and you probably signed an agreement that says you'll follow their rules, so you are probably stuck.
And I dearly hope you aren't planning to be one of those folks that sits in class and chats while other students are trying to listen to the lecture! That bugs the crap out of me! I had one classmate that actually played solitaire on his PC laptop during Abnormal Psych! What a jerk-particularly since he sat way down front and I couldn't' help but see his screen as he played. It's rude to the instructor and rude to your fellow students. Chatting in the dorm or in the common areas is a completely different thing though...
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Glenn -----OTR/L, MOT, Tx
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Fresh-Faced Recruit
Join Date: Mar 2007
Status:
Offline
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Sorry for having made you move the thread--I know that's annoying / a pain.
My goal, however, is not to be "one of those folks" that uses iChat in class--I do that outside of class, but that's besides the point--iChat already works, anyway. My goal is to be able to use Transmission in and out of class...
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Administrator
Join Date: Apr 2001
Location: San Antonio TX USA
Status:
Offline
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Moving a thread for a new member is not a problem-it's the old hands who post in the wrong place that bother me. In any case, I can't help with Transmission, since I don't know anything about it... I'm sure someone will chime in soon about it though.
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Glenn -----OTR/L, MOT, Tx
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Forum Regular
Join Date: Jun 2006
Status:
Offline
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Originally Posted by konstantinos88
Hello, I would like to know if there is any quick way to find open ports in my university's network. I am trying to use Transmission here, and it's obvious that P2P is not allowed...
I have configured iChat to work by changing the port (since they disallowed AIM as well), but I obtained that port from a fellow student.
Might anybody know how to find a port that would allow me to use Transmission? (the trial-and-error method will take way too long and I don't have that much time...)
you can scan for open ports in network utility.but you can just use the same port as you use for ichat . i do it all the time.
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Mac Enthusiast
Join Date: Mar 2001
Location: boston
Status:
Offline
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For iChat, if it's blocked, I just change it to port 80 which seems to work almost 100% of the time at any location.
-Ben
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Junior Member
Join Date: Nov 2001
Location: Louisville,Kentucky
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Moderator
Join Date: May 2001
Location: Hilbert space
Status:
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Just use the Networking Utility (located in /Applications/Utilities). It has a port checker. Just enter an IP address and a port range (if you want), that's all.
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I don't suffer from insanity, I enjoy every minute of it.
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