G'day TG,
First up,
I would not pursue settings mentioned on www.dslreports.com/tweaks/Registry . I had a quick look at the site - it seems to me it is devoted to broadband via DSL. You and I (and most folks outside USA, I suspect) are using dialup, which is
NOT broadband. Broadband settings are wrong for we dialup users.
Concur your remarks re the pcpitstop site - used it to check my browser and thought it was great. Perfect for technodabblers
.
You say the pcpitstop diagnostics said RWIN of 2144 is far too low and also that 8192 does not figure in your setup....
As I said in my first reply, I use InternetBOOST and am pleased with the result. Here's what the help file has to say about RWIN:-
<font face="Verdana, Arial, Helvetica" size="2">The Receive Window (RWIN) value is the maximum number of bytes of data that can be buffered, pending the receipt of an acknowledgment packet back from the sender. Typically, the RWIN value should be a multiple of 2-10 times the maximum segment size (MTU-40).
Default (8192)
This sets the RWIN value to the Windows default. Under Windows 95, this value is 8192, which should not be used (because it is not evenly divisible by the default maximum segment size, it can force the packet to be resent repeatedly when the buffer is full). You can improve performance by setting this to a lower value such as 4 times your MSS (MSS = MTU - 40).
Multiple
This allows you to set the RWIN value to a specific multiple, with the actual value calculated using the MTU value. It is recommended that you set the multiple to 4 or 8.
Custom
This allows you to specify a custom RWIN value. This is not recommended unless you fully understand the implications of using a non-standard value.</font>
InternetBOOST's RWIN picklist multiples are 4, 6, 8 and 10. Note that in the "default" paragraph, they recommend an RWIN value of less than 8192 and suggest 4 time MSS, which for dialup is 2144. This contradicts the advice you received from pcpitstop, which said a higher value should be used! I trust you are no longer confused
Your reference to
www.pcpitstop.com had me exploring and I found a link to iSpeed for Windows at
www.hms.com . I downloaded and tried it, and I think it's considerably better than InternetBOOST, and half the price. Plus you get 30 days free trial.
Here's what iSpeed's help file says:-
<font face="Verdana, Arial, Helvetica" size="2">RWIN determines how much data the receiving computer is prepared to receive. An RWIN value that is set too high will result in greater data loss if the packet is lost or damaged in transit. An RWIN value that is set too low will produce very poor throughput. Typically, an RWIN value should be set that is 3 or 4 times the size of the Maximum Segment Size (MSS).</font>
Note iSpeed's recommendation of 3 to 4 times MSS, versus InternetBOOST's 4 or 8 times. I'm afraid I don't have the knowledge to resolve that difference of opinion
However, 4 times MSS (2144) works well on my dialup system.
You must surely be going about this the hard way, tweaking your system through regedit
I reckon you can do it easier through a connection tweaking utility, such as InternetBOOST or iSpeed for Windows. Either of these will give you easy, simultaneous access to all the parameters, instead of the one-at-a-time you must be doing through regedit. Of the two I've looked at, iSpeed from HMS would seem to be the better one. FWIW, I use another prog from HMS (an anti-spam utility) and I'm very happy with his service and update policy.
For SSH and Port Forwarding, have a look at
http://www.zipworld.com.au/~frankp/t...SH%20Setup.htm .
It's more a "how to set it up" than "how it works". There has been some interest in it locally and the author is updating it, but the principles will be unchanged. Main thing is to download any TeraTerm Pro and ttssh documentation you can find from the links on the site and read and digest!
I use his method and am pleased with it, though set up could be considered daunting for technophobes.
Cheers
AA