IG_FTP Reports of JOBS contain many debug messages starting with Check client proposal and server proposal

Products

• CA Automic Workload Automation - Automation Engine

Issue/Introduction

The reports of the IG_FTP Jobs contain many debug/trace messages related to the third-party jsch library.

Example of messages that should not be needed in the Report if tracing is not enabled:

Remote version string: SSH-2.0-OpenSSH_7.4
Local version string: SSH-2.0-JSCH_0.2.17
CheckCiphers: [email protected]
CheckKexes: [email protected],curve25519-sha256,[email protected],curve448-sha512
CheckSignatures: ssh-ed25519,ssh-ed448
server_host_key proposal before known_host reordering is: ssh-ed25519,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,rsa-sha2-512,rsa-sha2-256
server_host_key proposal after known_host reordering is: ssh-ed25519,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,rsa-sha2-512,rsa-sha2-256
SSH_MSG_KEXINIT sent
SSH_MSG_KEXINIT received
server proposal: KEX algorithms: curve25519-sha256,[email protected],ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha256,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1
server proposal: host key algorithms: ssh-rsa,rsa-sha2-512,rsa-sha2-256,ecdsa-sha2-nistp256,ssh-ed25519
server proposal: ciphers c2s: [email protected],aes128-ctr,aes192-ctr,aes256-ctr,[email protected],[email protected],aes128-cbc,aes192-cbc,aes256-cbc,blowfish-cbc,cast128-cbc,3des-cbc
server proposal: ciphers s2c: [email protected],aes128-ctr,aes192-ctr,aes256-ctr,[email protected],[email protected],aes128-cbc,aes192-cbc,aes256-cbc,blowfish-cbc,cast128-cbc,3des-cbc
server proposal: MACs c2s: [email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1
server proposal: MACs s2c: [email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1
server proposal: compression c2s: none,[email protected]
server proposal: compression s2c: none,[email protected]
server proposal: languages c2s: 
server proposal: languages s2c: 
client proposal: KEX algorithms: curve25519-sha256,[email protected],ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256,ext-info-c,[email protected]
client proposal: host key algorithms: ssh-ed25519,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,rsa-sha2-512,rsa-sha2-256
client proposal: ciphers c2s: aes128-ctr,aes192-ctr,aes256-ctr,[email protected],[email protected]
client proposal: ciphers s2c: aes128-ctr,aes192-ctr,aes256-ctr,[email protected],[email protected]
client proposal: MACs c2s: [email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1
client proposal: MACs s2c: [email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1
client proposal: compression c2s: [email protected],zlib,none
client proposal: compression s2c: [email protected],zlib,none
client proposal: languages c2s: 
client proposal: languages s2c: 
kex: algorithm: curve25519-sha256
kex: host key algorithm: ssh-ed25519
kex: server->client cipher: aes128-ctr MAC: [email protected] compression: [email protected]
kex: client->server cipher: aes128-ctr MAC: [email protected] compression: [email protected]
SSH_MSG_KEX_ECDH_INIT sent
expecting SSH_MSG_KEX_ECDH_REPLY

While comparing a RA_FTP Jobs Report with an IG_FTP Jobs Report, there is a big difference in terms of size of the Report that makes harder the troubleshooting.

 

Environment

Integration FTP 21.x or 24.x

Cause

By design

Resolution

The current implementation of the Integration FTP Agent is the same as in old RA FTP Agent.
We simply log everything to the Job report including also the log of the "jsch" 3rd party library.

Additional Information

A story has been created (US976207) to improve this in the future, the article will be updated as soon as this is planned.