long delay when connecting
CTuffli at dspg.com
Tue Aug 21 01:03:48 WST 2007
I'm running into a little bit of a usability problem with dropbear 0.50.
The OpenSSH client can connect to the dropbear server running on an
embedded ARM platform ( Linux 2.6.17, uLibC, busybox v1.2.0 ), but it
takes between 50 seconds and a minute to connect. It doesn't look like a
CPU problem as the dropbear process sits at 0% CPU utilization for the
majority of this time. Running dropbear in the foreground displays the
# dropbear -E -F -s
 Aug 20 09:45:13 Failed reading
 Aug 20 09:45:13 Not backgrounding
 Aug 20 09:45:28 Child connection from 10.2.3.2:51284
 Aug 20 09:46:12 pubkey auth succeeded for 'root' with key md5
<removed> from 10.2.3.2:51284
The client side displays the following
> ssh -v root at 10.2.3.232
OpenSSH_4.2p1 FreeBSD-20050903, OpenSSL 0.9.7e-p1 25 Oct 2004
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Connecting to 10.2.3.232 [10.2.3.232] port 22.
debug1: Connection established.
debug1: identity file /home/ctuffli/.ssh/identity type -1
debug1: identity file /home/ctuffli/.ssh/id_rsa type 1
debug1: identity file /home/ctuffli/.ssh/id_dsa type -1
debug1: Remote protocol version 2.0, remote software version
debug1: no match: dropbear_0.50
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_4.2p1 FreeBSD-20050903
debug1: SSH2_MSG_KEXINIT sent
debug1: Authentication succeeded (publickey).
debug1: channel 0: new [client-session]
debug1: Entering interactive session.
Has anyone seen this problem before? Ideas? Thanks!
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