[Bug 946] scp slow file transfers, even with -1 -c blowfish

bugzilla-daemon at mindrot.org bugzilla-daemon at mindrot.org
Tue Nov 2 21:23:55 EST 2004


------- Additional Comments From dtucker at zip.com.au  2004-11-02 21:23 -------
Try Ciphers=arcfour it's usually faster than blowfish or aes if you're CPU
bound.  Also, make sure you have compression disabled.

With my laptop (XP SP1, 1.3 GHz Pentium M, OpenSSH 3.9p1) on a 100Mb/s ethernet
I get 1.5 MB/s (aes128-cbc, 15% CPU) and 1.6 MB/s (arcfour, 10% CPU).  In my
case, it appears to be IO bound.

How fast can you push data across your network without SSH?

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