scp的问题

nethitler

The authenticity of host '10.10.5.23 (10.10.5.23)' can't be established.
DSA key fingerprint is 9b:35:48:bf:3a:3c:72:e5:e4:2c:6f:eb:de:83:37:c7.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '10.10.5.237' (DSA) to the list of known hosts.
[email protected]'s password:
scp: warning: Executing scp1.
scp: FATAL: Executing ssh1 in compatibility mode failed (Check that scp1 is in your PATH).
lost connection

这应该怎么解决 我都在系统里找不到scp1
系统是刚装好的ML2

Thanks