PF slowing down file copies

Nikos Vassiliadis nvass at
Wed Feb 21 08:37:26 UTC 2007

On Wednesday 21 February 2007 01:21, José Pablo Fernández wrote:
> My problem is that when I copy a file from one network to the other, the first 
> 128KB seems to be copied instantaneously, the second 128KB take more than two 
> minutes and I've seen the third 128KB being copied very rarely.

This might be an MTU problem. Is the MTU set to 1500 everywhere?
You can try using a smaller MTU - like 1400 - on two computers,
try a transfer and if that works, you'll have to check the
switches involved.

> This is using Secure CoPy.

Do you mean scp(1)?

Also, what's going on when you disable pf?


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