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I'm using ~/.ssh/config for logging to the internal.local corporate server:

Host internal.local
    ProxyCommand ssh -e none corporate.proxy nc %h %p

But after closing session (typing exit), my sshd session on server stays still active (I see it through different connection).

Hot do I close session or change my config in the appropriate way, to eleminate hang sessions?

First check from the second, root session: ps -fu user_name

user_name 861   855   0 16:58:16 pts/3       0:00 -bash
user_name 855   854   0 16:58:13 ?           0:00 /usr/lib/ssh/sshd

After logging out:

user_name 855   854   0 16:58:13 ?           0:00 /usr/lib/ssh/sshd

Just after scp files to/from the internal.local a new scp sessions still hangs on the server.

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migrated from stackoverflow.com Aug 30 '12 at 8:51

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You might have some processes still running in the SSH session. The connection will stay up until they finish. –  Peter Westlake Aug 29 '12 at 12:54
    
Just ssh internal.local then exit. –  egor7 Aug 29 '12 at 12:56
    
thanks for mention „-e none“ sometimes ~. is usefull, but most time it sucks to type „~ “ to type a tilde. ;-) –  ThorstenS Aug 30 '12 at 9:03

1 Answer 1

Use

# for Solaris
ProxyCommand ssh -e none corporate.proxy nc %h %p -c

or

# for *nix
ProxyCommand ssh -e none corporate.proxy nc %h %p -w 5

-c cause to close connection after doing work on Solaris, and -w is the same on *nix systems.

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