In SSHD Configuration what does "MaxStartups 10:30:60" mean?

Syedsma picture Syedsma · Jan 27, 2011 · Viewed 71.3k times · Source

Problem Is: Some SFTP connections are failing in customer environment But using sample code if i test with same server no connection is failed. may be in customer envi many parallel sftp connection started at a time.

I Want to know what is the meaning of MaxStartups 10:30:60

In the above i know only 10 , which means maximum unauthenticated ssh connection allowed. means at same time 12 sssh connection request comes 2 request fail and 10 success.

What is the mean of 30 and 60 ?

Answer

phooji picture phooji · Jan 27, 2011

I Want to know what is the meaning of MaxStartups 10:30:60?

10: Number of unauthenticated connections before we start dropping

30: Percentage chance of dropping once we reach 10 (increases linearly for more than 10)

60: Maximum number of connections at which we start dropping everything