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| | #11 (permalink) | |
| Black Sheep Join Date: 7 Oct 2002
Posts: 2,296
Reputation: 729 ![]() ![]() ![]() ![]() ![]() ![]() ![]() Rep Power: 16 | Quote:
Fyire: AIKS! I didn't know packet filtering was that hard to implement. | |
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| | #13 (permalink) |
| Getting there Join Date: 6 Dec 2002
Posts: 196
Reputation: 32 ![]() Rep Power: 7 | did u guys make a call to TM about this slow down problem u guys facing ? yeah .. i dont think they can limit bt . unless they limit your download speed as overrall. But i guess by doing this customers will complaint them like hell. At least for me i will call them everyday to make the complaint.![]() ps: i found this humm.. will that be related to the slow down? http://www.tm.net.my/html/news_detai...type=News&pg=1
__________________ P4 2.8ghz @3.5 Ghz Abit ic7-G ; 1G ocz ddr400 Geforce 6800 Last edited by ALstonLoong : 25th Feb 2006 at 06:33 PM. |
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| | #14 (permalink) | |
| I'm a regular Join Date: 15 Jan 2004 Location: Somewhere out there
Posts: 350
Reputation: 15 ![]() Rep Power: 5 | Quote:
Not sure if they're really limiting the standard BT port(s), but I do find that after changing the port numbers to some random number, the transfer rates does improve a lot. Also, traffic shaping by port number is the easiest to do, stuff like max transfer rate for certain ports, or traffic priority for certain ports and so on (but that also assumes that ppl have got their services running on default ports lar) | |
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| | #15 (permalink) | |
| I'm a regular Join Date: 15 Jan 2004 Location: Somewhere out there
Posts: 350
Reputation: 15 ![]() Rep Power: 5 | Quote:
Actually, its not that packet filtering is hard to implement, just that its got limitations lar. Take for example the following usual config: - SSH - Port 22 (high priority) - HTTP - Port 80 (low priority) Something like the above is rather common, as for ssh sessions, it'll be impossible to work on anything if there's a 5 second delay for each keypress before the character appear on screen. However, it probly wont make much difference if u're to wait an extra 5 seconds to download a 1mb file. Now, traffic shaping by port number is the most standard way of managing bandwidth, but that's assuming everybody runs the services on the default ports. The kinda blanket filtering that you had mentioned before requires additional filtering work to be done higher up in the network levels. The need to actually examine each packet that passes through the router or bridge to determine what kinda traffic it is (and that's assuming that such a filtering system has a big enough database to identify all the many different protocols that we've got floating around these days). Not to mention, also requiring frequent updates in the event of any protocol changes for any services (not likely if u're talking about HTTP, but as we all know, can be rather frequent indeed for something like ICQ). Also, such a blank filter will also place quite a bit of strain on whatever CPUs that the router/bridge is running, due to the need to look inside every single packet that goes through it, rather than determining what to do by source/destination port number (far faster) | |
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| | #16 (permalink) |
| Administrator! Join Date: 21 Apr 2003 Location: Penang
Posts: 29,821
Reputation: 2162 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Rep Power: 56 | Well, don't think they will block ports coz companies nowadays are using all kinds of ports, that will only invite more complaints. But the thing is, at the moment, most people only complain about BT. That's interesting coz I'm wondering, how are they filtering it. Whatever kind of filtering they are using, they must have done their homework. MY BT is not running at all now. ![]()
__________________ | Intel Core 2 Duo E6850 @ 3.2Ghz | ASUS P5B-E Plus | G.SKILL 2x1GB DDR2 800 | 6 HDDs (2TB+ only ![]() Blog : Dashken's I-Blog Gallery : Dashken's I-Paintings |
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| | #17 (permalink) |
| Hold me back! I can't stop posting!!! Join Date: 16 Dec 2002 Location: Floating Island Of Mandango
Posts: 8,628
Reputation: 3005 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Rep Power: 45 | my BT is running fine. no problem whatsoever here. if slow, maybe can try a private tracker
__________________ my motto: poison first, think later. |
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| | #18 (permalink) | |
| Da Boss Join Date: 10 Oct 2002 Location: In front of my ASUS F8V notebook!
Posts: 30,419
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__________________ Dr. Adrian Wong Tech ARP | Blog @ Tech ARP | The Free Trade Zone DYKT : The only offshore account I have is at the sand bank? We need PROGRAMMERS and TECHNICAL WRITERS! Contact us if you are a hot shot programmer or technical writer! My items for sale : 50x SD Card | Memory Stick PRO | Cyclone Energy Saver | Seiko SS watch | Tiger/Carlsberg beer jugs | Travel Speakers | Motorola V600 | Nokia N90 SOLD! | New Lowepro Mini Trekker AW Other items for sale @ the FTZ : Zalman CNPS9500 LED @ $20 | Zalman CNPS7700 Cu @ $20 | Zalman CNPS7000 Cu @ $20 | Swarovski bracelet watches | Dell 17" LCD | Hi-Fi speakers | English DIVX movies | HP LaserJet toners! | Office chairs | |
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| | #19 (permalink) | |
| Da Boss Join Date: 10 Oct 2002 Location: In front of my ASUS F8V notebook!
Posts: 30,419
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__________________ Dr. Adrian Wong Tech ARP | Blog @ Tech ARP | The Free Trade Zone DYKT : The only offshore account I have is at the sand bank? We need PROGRAMMERS and TECHNICAL WRITERS! Contact us if you are a hot shot programmer or technical writer! My items for sale : 50x SD Card | Memory Stick PRO | Cyclone Energy Saver | Seiko SS watch | Tiger/Carlsberg beer jugs | Travel Speakers | Motorola V600 | Nokia N90 SOLD! | New Lowepro Mini Trekker AW Other items for sale @ the FTZ : Zalman CNPS9500 LED @ $20 | Zalman CNPS7700 Cu @ $20 | Zalman CNPS7000 Cu @ $20 | Swarovski bracelet watches | Dell 17" LCD | Hi-Fi speakers | English DIVX movies | HP LaserJet toners! | Office chairs | |
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| | #20 (permalink) | |
| ARP Reviewer Join Date: 1 Sep 2004
Posts: 334
Reputation: 256 ![]() ![]() ![]() Rep Power: 7 | Quote:
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