sending a large file with SCP to a certain server stalls at exactly 2112 kB

Question

There is a certain ubuntu 10.04 server where if I ssh a file onto it from any server that is outside the office where this server is (meaning any of use scp-ing onto this se

Answer 1

The only way I managed to get rid of this problem was by disabling TCP SACK:

$ sudo sysctl -w net.ipv4.tcp_sack=0