<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, Sans-Serif;font-size:12pt"><div style="font-size: 12pt;">The issue is present on the CISCO 1841 model line when using password authentication scheme:</div><div style="font-size: 12pt;"><br clear="none"></div><div style="font-size: 12pt;">Here's the stock ssh client on MAC OS X.</div><div style="font-size: 12pt;"><br clear="none"></div><div><div>logan$ ssh -V</div><div>OpenSSH_5.6p1, OpenSSL 0.9.8r 8 Feb 2011</div><div><br clear="none"></div><div><div>OpenSSH_5.6p1, OpenSSL 0.9.8r 8 Feb 2011</div><div>debug1: Reading configuration data /etc/ssh_config</div><div>debug1: Applying options for *</div><div>debug1: Connecting to ip [ip] port 22.</div><div>debug1: Connection established.</div><div>debug1: permanently_set_uid: 0/0</div><div>debug1: identity file /var/root/.ssh/id_rsa type -1</div><div>debug1: identity file
/var/root/.ssh/id_rsa-cert type -1</div><div>debug1: identity file /var/root/.ssh/id_dsa type -1</div><div>debug1: identity file /var/root/.ssh/id_dsa-cert type -1</div><div>debug1: Remote protocol version 2.0, remote software version Cisco-1.25</div><div>debug1: no match: Cisco-1.25</div><div>debug1: Enabling compatibility mode for protocol 2.0</div><div>debug1: Local version string SSH-2.0-OpenSSH_5.6</div><div>debug1: SSH2_MSG_KEXINIT sent</div><div>debug1: SSH2_MSG_KEXINIT received</div><div>debug1: kex: server->client aes128-cbc hmac-md5 none</div><div>debug1: kex: client->server aes128-cbc hmac-md5 none</div><div>debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent</div><div>debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP</div><div>debug1: SSH2_MSG_KEX_DH_GEX_INIT sent</div><div>debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY</div><div>Warning: Permanently added 'ip' (RSA) to the list of known hosts.</div><div>debug1: ssh_rsa_verify:
signature correct</div><div>debug1: SSH2_MSG_NEWKEYS sent</div><div>debug1: expecting SSH2_MSG_NEWKEYS</div><div>debug1: SSH2_MSG_NEWKEYS received</div><div>debug1: Roaming not allowed by server</div><div>debug1: SSH2_MSG_SERVICE_REQUEST sent</div><div>debug1: SSH2_MSG_SERVICE_ACCEPT received</div><div><br clear="none"></div><div><br clear="none"></div><div><br clear="none"></div><div><br clear="none"></div><div>debug1: Authentications that can continue: publickey,keyboard-interactive,password</div><div>debug1: Next authentication method: publickey</div><div>debug1: Trying private key: /var/root/.ssh/id_rsa</div><div>debug1: Trying private key: /var/root/.ssh/id_dsa</div><div>debug1: Next authentication method: keyboard-interactive</div></div><div><br clear="none"></div></div><div style="font-size: 12pt;">---</div><div style="font-size: 12pt;"><br clear="none"></div><div style="font-size: 12pt;">Here's the openssh client from www.openssh.com &&
compiled with default options.</div><div style="font-size: 12pt;"><br></div><div>./ssh -V</div><div>OpenSSH_6.4p1<br clear="none"></div><div><br clear="none"></div><div><span></span></div><div><div>OpenSSH_6.4, OpenSSL 0.9.8r 8 Feb 2011</div><div>debug1: Reading configuration data /opt2/etc/ssh_config</div><div>debug1: Connecting to ip [ip] port 22.</div><div>debug1: Connection established.</div><div>debug1: permanently_set_uid: 0/0</div><div>debug1: identity file /var/root/.ssh/id_rsa type -1</div><div>debug1: identity file /var/root/.ssh/id_rsa-cert type -1</div><div>debug1: identity file /var/root/.ssh/id_dsa type -1</div><div>debug1: identity file /var/root/.ssh/id_dsa-cert type -1</div><div>debug1: identity file /var/root/.ssh/id_ecdsa type -1</div><div>debug1: identity file /var/root/.ssh/id_ecdsa-cert type -1</div><div>debug1: identity file /var/root/.ssh/id_ed25519 type -1</div><div>debug1: identity file /var/root/.ssh/id_ed25519-cert type
-1</div><div>debug1: Enabling compatibility mode for protocol 2.0</div><div>debug1: Local version string SSH-2.0-OpenSSH_6.4</div><div>debug1: Remote protocol version 2.0, remote software version Cisco-1.25</div><div>debug1: no match: Cisco-1.25</div><div>debug1: SSH2_MSG_KEXINIT sent</div><div>debug1: SSH2_MSG_KEXINIT received</div><div>debug1: kex: server->client aes128-cbc hmac-md5 none</div><div>debug1: kex: client->server aes128-cbc hmac-md5 none</div><div>debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<3072<8192) sent</div><div>debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP</div><div>Connection closed by ip</div></div><div class="yahoo_quoted" style="display: block;"> <br> <br> <div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;"> <div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;"> <div dir="ltr"> <font
size="2" face="Arial"> On Friday, 10 January 2014, 10:14, Loganaden Velvindron <gnukid1@yahoo.co.uk> wrote:<br> </font> </div> <div class="y_msg_container"><div id="yiv1518829475"><div><div style="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;"><div><span><br clear="none"></span></div><div class="yiv1518829475yahoo_quoted" style="display: block;"> <br clear="none"> <br clear="none"> <div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;"> <div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;"> <div dir="ltr" style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;"> <font size="2" face="Arial"> On Thursday, 9 January 2014, 21:12, selven <pcthegreat@gmail.com>
wrote:<br clear="none"> </font> </div> <div class="yiv1518829475y_msg_container"><div id="yiv1518829475"><div><div dir="ltr" style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;"><div>Then the problem was wrongly laid out :D.<br clear="none"><br clear="none"></div>Thanks for clearing that out Daniel!<br clear="none"></div><div class="yiv1518829475gmail_extra"><br clear="none"><br clear="none"><div class="yiv1518829475gmail_quote"><font size="3">On Thu, Jan 9, 2014 at 9:08 PM, Daniel Shaw </font><span dir="ltr" style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;"><<a rel="nofollow" shape="rect" ymailto="mailto:daniel.shaw@point-oh.net" target="_blank" href="mailto:daniel.shaw@point-oh.net">daniel.shaw@point-oh.net</a>></span><font size="3"> wrote:</font><br clear="none">
<blockquote class="yiv1518829475gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204, 204, 204);border-left-style:solid;padding-left:1ex;"><div class="yiv1518829475yqt7484825292" id="yiv1518829475yqt24217"><div dir="ltr"><br clear="none"><div class="yiv1518829475gmail_extra"><div class="yiv1518829475gmail_quote"><div class="yiv1518829475im" style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;">On 9 January 2014 12:02, selven <span dir="ltr"><<a rel="nofollow" shape="rect" ymailto="mailto:pcthegreat@gmail.com" target="_blank" href="mailto:pcthegreat@gmail.com">pcthegreat@gmail.com</a>></span> wrote:<br clear="none">
<blockquote class="yiv1518829475gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div dir="ltr"><div>hmm they are using an old version of openssh that say they consider as stable. Now if i am using a newer version of openssh and i try to connect to a cisco router, i would not be able to connect to that router? Right?<br clear="none">
</div></div></blockquote><div><br clear="none"></div></div><div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;"> Actually wrong. See my previous post: You can in fact connect to most routers with the latest openssh.<br clear="none"></div><div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;">There may be some cases (it seems) where a certain configuration of the latest openssh cannot connect to certain Cisco IOS devices. Most likely a cipher incompatability.<br clear="none">
<br clear="none"></div><div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;"><br clear="none"></div><div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;">The issue is present on the CISCO 1841 model line when using password authentication scheme:</div><div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;"><br clear="none"></div><div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;">Here's the stock ssh client on MAC OS X.</div><div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;"><br clear="none"></div><div><div>logan$ ssh -V</div><div>OpenSSH_5.6p1, OpenSSL 0.9.8r 8 Feb 2011</div><div><br
clear="none"></div><div><div>OpenSSH_5.6p1, OpenSSL 0.9.8r 8 Feb
2011</div><div>debug1: Reading configuration data /etc/ssh_config</div><div>debug1: Applying options for *</div><div>debug1: Connecting to ip [ip] port 22.</div><div>debug1: Connection established.</div><div>debug1: permanently_set_uid: 0/0</div><div>debug1: identity file /var/root/.ssh/id_rsa type -1</div><div>debug1: identity file /var/root/.ssh/id_rsa-cert type -1</div><div>debug1: identity file /var/root/.ssh/id_dsa type -1</div><div>debug1: identity file /var/root/.ssh/id_dsa-cert type -1</div><div>debug1: Remote protocol version 2.0, remote software version Cisco-1.25</div><div>debug1: no match: Cisco-1.25</div><div>debug1: Enabling compatibility mode for protocol 2.0</div><div>debug1: Local version string SSH-2.0-OpenSSH_5.6</div><div>debug1: SSH2_MSG_KEXINIT sent</div><div>debug1: SSH2_MSG_KEXINIT received</div><div>debug1: kex: server->client aes128-cbc hmac-md5 none</div><div>debug1: kex: client->server aes128-cbc hmac-md5
none</div><div>debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent</div><div>debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP</div><div>debug1: SSH2_MSG_KEX_DH_GEX_INIT sent</div><div>debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY</div><div>Warning: Permanently added 'ip' (RSA) to the list of known hosts.</div><div>debug1: ssh_rsa_verify: signature correct</div><div>debug1: SSH2_MSG_NEWKEYS sent</div><div>debug1: expecting SSH2_MSG_NEWKEYS</div><div>debug1: SSH2_MSG_NEWKEYS received</div><div>debug1: Roaming not allowed by server</div><div>debug1: SSH2_MSG_SERVICE_REQUEST sent</div><div>debug1: SSH2_MSG_SERVICE_ACCEPT received</div><div><br clear="none"></div><div><br clear="none"></div><div><br clear="none"></div><div><br clear="none"></div><div>debug1: Authentications that can continue: publickey,keyboard-interactive,password</div><div>debug1: Next authentication method: publickey</div><div>debug1: Trying private key:
/var/root/.ssh/id_rsa</div><div>debug1: Trying private key:
/var/root/.ssh/id_dsa</div><div>debug1: Next authentication method: keyboard-interactive</div></div><div><br clear="none"></div></div><div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;">---</div><div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;"><br clear="none"></div><div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;">Here's the openssh client from 6.4</div><div>./ssh -V</div><div>OpenSSH_6.4p1<br clear="none"></div><div><br clear="none"></div><div><div>OpenSSH_6.4, OpenSSL 0.9.8r 8 Feb 2011</div><div>debug1: Reading configuration data /opt2/etc/ssh_config</div><div>debug1: Connecting to ip [ip] port 22.</div><div>debug1: Connection established.</div><div>debug1: permanently_set_uid: 0/0</div><div>debug1: identity file /var/root/.ssh/id_rsa
type -1</div><div>debug1: identity file
/var/root/.ssh/id_rsa-cert type -1</div><div>debug1: identity file /var/root/.ssh/id_dsa type -1</div><div>debug1: identity file /var/root/.ssh/id_dsa-cert type -1</div><div>debug1: identity file /var/root/.ssh/id_ecdsa type -1</div><div>debug1: identity file /var/root/.ssh/id_ecdsa-cert type -1</div><div>debug1: identity file /var/root/.ssh/id_ed25519 type -1</div><div>debug1: identity file /var/root/.ssh/id_ed25519-cert type -1</div><div>debug1: Enabling compatibility mode for protocol 2.0</div><div>debug1: Local version string SSH-2.0-OpenSSH_6.4</div><div>debug1: Remote protocol version 2.0, remote software version Cisco-1.25</div><div>debug1: no match: Cisco-1.25</div><div>debug1: SSH2_MSG_KEXINIT sent</div><div>debug1: SSH2_MSG_KEXINIT received</div><div>debug1: kex: server->client aes128-cbc hmac-md5 none</div><div>debug1: kex: client->server aes128-cbc hmac-md5 none</div><div>debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<3072<8192)
sent</div><div>debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP</div><div>Connection closed by ip</div></div><div class="yiv1518829475yqt2291037113" id="yiv1518829475yqtfd29838"><div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;"><br clear="none"></div></div></div></div></div></div><div class="yiv1518829475yqt2291037113" id="yiv1518829475yqtfd57391">
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