Good Day,
We are using version 0.1.53 version of JSCH and running into an intermittent
issue when connecting to an SSH server on a Solaris system. Would like to get
any insight as to what could be the cause. Thank You!
Exception:
Caused by: com.jcraft.jsch.JSchException: verify: false
at com.jcraft.jsch.Session.connect(Unknown Source)
at com.jcraft.jsch.Session.connect(Unknown Source)
Solaris log entries when error encountered:
Oct 11 08:25:15 ldnsbygu51 sshd[15563]: [ID 800047 auth.debug] debug1: kex:
server->client aes256-cbc hmac-sha1 none
Oct 11 08:25:15 ldnsbygu51 sshd[15563]: [ID 800047 auth.debug] debug1: Peer
sent proposed langtags, ctos:
Oct 11 08:25:15 ldnsbygu51 sshd[15563]: [ID 800047 auth.debug] debug1: Peer
sent proposed langtags, stoc:
Oct 11 08:25:15 ldnsbygu51 sshd[15563]: [ID 800047 auth.debug] debug1: We
proposed langtags, ctos:
de-LU,en-GB,en-IE,en-US,fr,fr-BE,fr-FR,fr-LU,nl-BE,en-CA,nl,nl-NL,i-d
efault
Oct 11 08:25:15 ldnsbygu51 sshd[15563]: [ID 800047 auth.debug] debug1: We
proposed langtags, stoc:
de-LU,en-GB,en-IE,en-US,fr,fr-BE,fr-FR,fr-LU,nl-BE,en-CA,nl,nl-NL,i-d
efault
Oct 11 08:25:15 ldnsbygu51 sshd[15563]: [ID 800047 auth.debug] debug1:
dh_gen_key: priv key bits set: 240/512
Oct 11 08:25:15 ldnsbygu51 sshd[15563]: [ID 800047 auth.debug] debug1: bits
set: 1000/2048
Oct 11 08:25:15 ldnsbygu51 sshd[15563]: [ID 800047 auth.debug] debug1:
expecting SSH2_MSG_KEXDH_INIT
Oct 11 08:25:15 ldnsbygu51 sshd[15563]: [ID 800047 auth.debug] debug1: bits
set: 1032/2048
Oct 11 08:25:15 ldnsbygu51 sshd[15563]: [ID 800047 auth.debug] debug2:
kex_derive_keys
Oct 11 08:25:15 ldnsbygu51 sshd[15563]: [ID 800047 auth.debug] debug3:
kex_reset_dispatch -- should we dispatch_set(KEXINIT) here? 0 && !0
Oct 11 08:25:15 ldnsbygu51 sshd[15563]: [ID 800047 auth.debug] debug1: newkeys:
mode 1
Oct 11 08:25:15 ldnsbygu51 sshd[15563]: [ID 800047 auth.debug] debug1:
set_newkeys: setting new keys for 'out' mode
Oct 11 08:25:15 ldnsbygu51 sshd[15563]: [ID 800047 auth.debug] debug1:
SSH2_MSG_NEWKEYS sent
Oct 11 08:25:15 ldnsbygu51 sshd[15563]: [ID 800047 auth.debug] debug1:
expecting SSH2_MSG_NEWKEYS
Oct 11 08:25:15 ldnsbygu51 sshd[15563]: [ID 800047 auth.info] Received
disconnect from 10.213.53.228: 3: com.jcraft.jsch.JSchException: verify: false
Solaris log entries when all works as expected:
Oct 11 08:25:00 ldnsbygu51 sshd[15477]: [ID 800047 auth.debug] debug1: kex:
server->client aes256-cbc hmac-sha1 none
Oct 11 08:25:00 ldnsbygu51 sshd[15477]: [ID 800047 auth.debug] debug1: Peer
sent proposed langtags, ctos:
Oct 11 08:25:00 ldnsbygu51 sshd[15477]: [ID 800047 auth.debug] debug1: Peer
sent proposed langtags, stoc:
Oct 11 08:25:00 ldnsbygu51 sshd[15477]: [ID 800047 auth.debug] debug1: We
proposed langtags, ctos:
de-LU,en-GB,en-IE,en-US,fr,fr-BE,fr-FR,fr-LU,nl-BE,en-CA,nl,nl-NL,i-d
efault
Oct 11 08:25:00 ldnsbygu51 sshd[15477]: [ID 800047 auth.debug] debug1: We
proposed langtags, stoc:
de-LU,en-GB,en-IE,en-US,fr,fr-BE,fr-FR,fr-LU,nl-BE,en-CA,nl,nl-NL,i-d
efault
Oct 11 08:25:00 ldnsbygu51 sshd[15477]: [ID 800047 auth.debug] debug1:
dh_gen_key: priv key bits set: 252/512
Oct 11 08:25:00 ldnsbygu51 sshd[15477]: [ID 800047 auth.debug] debug1: bits
set: 1043/2048
Oct 11 08:25:00 ldnsbygu51 sshd[15477]: [ID 800047 auth.debug] debug1:
expecting SSH2_MSG_KEXDH_INIT
Oct 11 08:25:00 ldnsbygu51 sshd[15477]: [ID 800047 auth.debug] debug1: bits
set: 1003/2048
Oct 11 08:25:00 ldnsbygu51 sshd[15477]: [ID 800047 auth.debug] debug2:
kex_derive_keys
Oct 11 08:25:00 ldnsbygu51 sshd[15477]: [ID 800047 auth.debug] debug3:
kex_reset_dispatch -- should we dispatch_set(KEXINIT) here? 0 && !0
Oct 11 08:25:00 ldnsbygu51 sshd[15477]: [ID 800047 auth.debug] debug1: newkeys:
mode 1
Oct 11 08:25:00 ldnsbygu51 sshd[15477]: [ID 800047 auth.debug] debug1:
set_newkeys: setting new keys for 'out' mode
Oct 11 08:25:00 ldnsbygu51 sshd[15477]: [ID 800047 auth.debug] debug1:
SSH2_MSG_NEWKEYS sent
Oct 11 08:25:00 ldnsbygu51 sshd[15477]: [ID 800047 auth.debug] debug1:
expecting SSH2_MSG_NEWKEYS
Oct 11 08:25:00 ldnsbygu51 sshd[15477]: [ID 800047 auth.debug] debug1: newkeys:
mode 0
Oct 11 08:25:00 ldnsbygu51 sshd[15477]: [ID 800047 auth.debug] debug1:
set_newkeys: setting new keys for 'in' mode
Oct 11 08:25:00 ldnsbygu51 sshd[15477]: [ID 800047 auth.debug] debug1:
SSH2_MSG_NEWKEYS received
Oct 11 08:25:00 ldnsbygu51 sshd[15477]: [ID 800047 auth.debug] debug1: KEX done
Oct 11 08:25:00 ldnsbygu51 sshd[15477]: [ID 800047 auth.debug] debug1:
userauth-request for user sbyn service ssh-connection method none
Oct 11 08:25:00 ldnsbygu51 sshd[15477]: [ID 800047 auth.debug] debug1: attempt
0 initial attempt 0 failures 0 initial failures 0
Oct 11 08:25:00 ldnsbygu51 sshd[15477]: [ID 800047 auth.debug] debug3: Trying
to reverse map address 10.213.53.228.
Oct 11 08:25:00 ldnsbygu51 sshd[15477]: [ID 800047 auth.debug] debug2:
parse_server_config: config reprocess config len 937
Oct 11 08:25:00 ldnsbygu51 sshd[15477]: [ID 800047 auth.debug] debug2:
input_userauth_request: setting up authctxt for sbyn
Oct 11 08:25:00 ldnsbygu51 sshd[15477]: [ID 800047 auth.debug] debug2:
input_userauth_request: try method none
Oct 11 08:25:00 ldnsbygu51 sshd[15477]: [ID 800047 auth.debug] debug1:
userauth_banner: sent
Oct 11 08:25:00 ldnsbygu51 sshd[15477]: [ID 800047 auth.info] Failed none for
sbyn from 10.213.53.228 port 62239 ssh2
Oct 11 08:25:00 ldnsbygu51 sshd[15477]: [ID 800047 auth.debug] debug1:
userauth-request for user sbyn service ssh-connection method publickey
Oct 11 08:25:00 ldnsbygu51 sshd[15477]: [ID 800047 auth.debug] debug1: attempt
1 initial attempt 0 failures 0 initial failures 0
Oct 11 08:25:00 ldnsbygu51 sshd[15477]: [ID 800047 auth.debug] debug2:
input_userauth_request: try method publickey
.... Continues to successful outcome
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