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| Slow SSH tunnel - Fast SFTP ? https://forum.linode.com/viewtopic.php?f=19&t=5476 |
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| Author: | cattani [ Sun Apr 18, 2010 7:51 am ] |
| Post subject: | Slow SSH tunnel - Fast SFTP ? |
hy! I use a Putty-tunnel to forward my browser´s traffic to squid (127.0.0.1 3128 to squid on linode 3128). It works fine, but max. speed I can get is 100 KB/sec. I tested all the options in putty i could find, but it doesnt get faster. Already tried kitty, but speed is the same. Setting Firefox Proxy setting to socks4 or 5 doesnt change a thing. All other servers on my linode provide a much higher speed: dovecot: ~420KB/sec linode speedtest atlanta direct ~450KB/sec filde download from apache - ~600KB/sec scp sftp file download - ~500KB/sec Squid seems to be innocent, as i also tunnel port 10000 to webmin over ssh and downloads from the webmin-http-server are at 100KB/sec too. as winscp file transfers are 5 times faster than the putty-tunnel i assume there is something wrong with my putty-config (both set to use 3des)? does anyone have an idea whats misconfigured? thanks! |
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| Author: | cattani [ Mon Apr 19, 2010 8:01 am ] |
| Post subject: | |
So after trying putty with dynamic port forwarding (D8080) wich yielded exactly the same speed as with putty-squid (100KB/sec) I now have switched to openvpn + squid and speed is now 350-400KB to the Atlanta Server. All I found on the internet is that putty/ssl might have trouble with high-latency connections, that seem to kill speed - my connection to atlanta is at about 250-300ms away.. |
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| Author: | Guspaz [ Mon Apr 19, 2010 10:54 am ] |
| Post subject: | |
If you're using OpenVPN, you don't really need to be using Squid; you can just do NAT and access the net directly through the VPN. |
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| Author: | cattani [ Mon Apr 19, 2010 12:01 pm ] |
| Post subject: | |
hm, nat from tap0 to eth0, sounds interesting. problem is, my firewall setup is very basic (using webmin- 1 chain:allow lo, allow tap0, allow 25, reject all) and i imagine seting nat up (and especially testing if what i set up is what i wanted) would cost me 3 days of research 
thx |
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| Author: | Guspaz [ Tue Apr 20, 2010 11:10 am ] |
| Post subject: | |
I just installed OpenVPN-AS and told it I wanted to do NAT (it asked a yes/no question), and was up and running in just a few minutes. It pretty much takes care of all of that stuff for you. Downside? The free license only allows two simultaneous connections max. |
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