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Hi,

 

Just began using Air about 24 hours ago. Experimenting with different ports. I have 2 questions.

 

I'm unable to connect using UDP/53. Getting, "TLS Error: TLS key negotiation failed".

 

1) Any idea what this is about?

 

2) What firewall are people using on Windows 7 that doesn't degrade the DL speed so much?

 

The reason I'm posting here is because my speed loss was a bit more than some of the others posted here:


 

UDP/2018 then disabled the freakin' FW helped.

 

In the event someone is experiencing similar issues (with Verizon) I've posted some of the results using a variety of 

 

ports.

 

On Verizon 25/5 circuit.

 

On TAP-Windows Adapter V9 the binding for Kaspersky Anti-Virus NDIS 6 Filter was been removed for the 

 

following:

 

TCP/443

 

Down: 12.251 Mbit/s Out, 3.542 Mbit/s In (28%), 20MB - Up: 2.652 Mbit/s Out, 1.332 Mbit/s In (50%), 20MB - 

 

Date: Sun, 15 Sep 2013 13:49:54 GMT - Buffers: 20MB/20MB - Laps: 1, Time: 124.66 secs

 

Velorum 224/1000 253 ms 66 users

===========================

UDP/80

 

 

Down: 12.063 Mbit/s Out, 5.044 Mbit/s In (41%), 20MB - Up: 2.635 Mbit/s Out, 2.536 Mbit/s In (96%), 20MB - 

 

Date: Sun, 15 Sep 2013 21:38:42 GMT - Buffers: 20MB/20MB - Laps: 1, Time: 87.62 secs

 

Velorum 164/1000  235ms  75 users

=============================

TCP/80

 

Down: 11.848 Mbit/s Out, 3.725 Mbit/s In (31%), 20MB - Up: 2.612 Mbit/s Out, 1.256 Mbit/s In (48%), 20MB - 

 

Date: Sun, 15 Sep 2013 21:46:27 GMT - Buffers: 20MB/20MB - Laps: 1, Time: 126.06 secs

 

 

Velorum 170/1000  245ms  76users

==============================

TCP/53

 

Down: 11.100 Mbit/s Out, 3.439 Mbit/s In (30%), 20MB - Up: 2.641 Mbit/s Out, 0.540 Mbit/s In (20%), 20MB - 

 

Date: Sun, 15 Sep 2013 22:38:38 GMT - Buffers: 20MB/20MB - Laps: 1, Time: 212.73 secs

 

 

Velorum 182/1000  231ms  64 users

==============================

UDP/2018

 

Down: 11.448 Mbit/s Out, 6.926 Mbit/s In (60%), 20MB - Up: 2.629 Mbit/s Out, 2.563 Mbit/s In (97%), 20MB - 

 

Date: Sun, 15 Sep 2013 22:51:29 GMT - Buffers: 20MB/20MB - Laps: 1, Time: 83.46 secs

 

Velorum 182/1000  237ms  72 users

===============================

 

 

Looking like UL speed loss is negligible using UDP 2018.

 

Read a few posts that there could be latency issues due to Firewall.

 

Shutdown Kaspersky processes the DL results improved:

 

UDP/2018

 

Down: 12.136 Mbit/s Out, 10.586 Mbit/s In (87%), 20MB - Up: 2.599 Mbit/s Out, 2.507 Mbit/s In (96%), 20MB - 

 

Date: Sun, 15 Sep 2013 23:17:20 GMT - Buffers: 20MB/20MB - Laps: 1, Time: 80.10 secs

 

Velorum 174/1000  230ms  69 users

===============================

Sorry for the rather lengthy post.

 

Thanks for your service!

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Hello!

 

1) This is typically caused by ISPs which hijack packets to port 53 UDP to their own DNS servers (for example Vodafone Italia).

 

2) As far as we can see, most firewalls do not cause any performance hit, provided they are not configured to inspect packets or to log excessively. Packet inspection of encrypted packets can cause heavy system load (and it's not useful, because the packets are encrypted). Can you please tell us which firewall you disabled to have better performance?

 

Kind regards

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Thank you for the prompt response. I am using Kaspersky Internet Security 2013 v-13.0.1.4190 (h)
 
Apparently I was mistaken in my diagnosis. I had varying results this morning w/ the FW on and off.
 
WITH KASPERSKY
 
 
UDP/2018
 
Down: 7.243 Mbit/s Out, 8.937 Mbit/s In (123%), 20MB - Up: 3.631 Mbit/s Out, 3.315 Mbit/s In (91%), 20MB - Date: Mon, 16 Sep 2013 12:31:52 GMT - Buffers: 20MB/20MB - Laps: 1, Time: 70.08 secs
 
Velorum 102/1000 239ms 66 users
===============================
 
UDP 2018
 
Down: 11.403 Mbit/s Out, 2.250 Mbit/s In (19%), 20MB - Up: 3.670 Mbit/s Out, 4.308 Mbit/s In (117%), 20MB - Date: Mon, 16 Sep 2013 12:37:42 GMT - Buffers: 20MB/20MB - Laps: 1, Time: 92.47 secs
 
Velorum 98/1000 231ms 63 users
===============================
WITHOUT KAPSERSKY
 
UDP 2018
 
Down: 11.965 Mbit/s Out, 5.206 Mbit/s In (43%), 20MB - Up: 2.659 Mbit/s Out, 2.531 Mbit/s In (95%), 20MB - Date: Mon, 16 Sep 2013 12:41:37 GMT - Buffers: 20MB/20MB - Laps: 1, Time: 87.00 secs
 
Velorum 94/1000 229ms 64 users
===============================
 
UDP 2018
 
Down: 12.112 Mbit/s Out, 3.905 Mbit/s In (32%), 20MB - Up: 2.569 Mbit/s Out, 2.601 Mbit/s In (101%), 20MB - Date: Mon, 16 Sep 2013 12:45:38 GMT - Buffers: 20MB/20MB - Laps: 1, Time: 92.25 secs
 
Velorum 88/1000 228ms 63 users
===============================

 

Regards

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