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Full Discussion: SSH Protocol Version 1
Operating Systems AIX SSH Protocol Version 1 Post 302512799 by kah00na on Monday 11th of April 2011 04:09:25 PM
Old 04-11-2011
As Nevyn showed, if you set "Protocol = 2" in the /etc/ssh/sshd_config, your server will only support clients connecting using protocol 2. This is probably what you want.

If you set "Protocol = 2" in the /etc/ssh/ssh_config, then the ssh client on your box will only be able to connect to remote servers using protocol 2. If on the off chance you try to connect to a box that only supports protocol 1, your client wouldn't be able to connect. For that reason alone, I don't set the protocol version here.
 

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libssh2_banner_set(3)						  libssh2 manual					     libssh2_banner_set(3)

NAME
libssh2_banner_set - set the SSH prococol banner for the local client SYNOPSIS
#include <libssh2.h> int libssh2_banner_set(LIBSSH2_SESSION *session, const char *banner); DESCRIPTION
This function is DEPRECATED. Use libssh2_session_banner_set(3) instead! session - Session instance as returned by libssh2_session_init_ex(3) banner - A pointer to a user defined banner Set the banner that will be sent to the remote host when the SSH session is started with libssh2_session_handshake(3) This is optional; a banner corresponding to the protocol and libssh2 version will be sent by default. RETURN VALUE
Return 0 on success or negative on failure. It returns LIBSSH2_ERROR_EAGAIN when it would otherwise block. While LIBSSH2_ERROR_EAGAIN is a negative number, it isn't really a failure per se. AVAILABILITY
Marked as deprecated since 1.4.0 ERRORS
LIBSSH2_ERROR_ALLOC - An internal memory allocation call failed. SEE ALSO
libssh2_session_handshake(3) libssh2 0.15 1 Jun 2007 libssh2_banner_set(3)
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