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Unable to exchange encryption keys

From: Werner L. Stolz via curl-users <curl-users_at_lists.haxx.se>
Date: Tue, 8 Feb 2022 19:00:03 +0000

We are currently using curl version

curl 7.67.0 (powerpc-ibm-aix6.1.9.0) libcurl/7.67.0 OpenSSL/1.0.2t zlib/1.2.11 libssh2/1.8.2
Release-Date: 2019-11-06
Protocols: dict file ftp ftps gopher http https imap imaps ldap ldaps pop3 pop3s rtsp scp sftp smb smbs smtp smtps telnet tftp
Features: AsynchDNS GSS-API HTTPS-proxy IPv6 Kerberos Largefile libz NTLM NTLM_WB SPNEGO SSL TLS-SRP UnixSockets

We are trying to set up a file transfer process using this version and are running into an issue. When we try to connect to even get a
directory listing from the remote site, we get the following error message.

* Failure establishing ssh session: -8, Unable to exchange encryption keys
* Closing connection 0
curl: (2) Failure establishing ssh session: -8, Unable to exchange encryption keys

My research indicates that this might be a problem with libssh2, does this seem likely? Also, is there a newer version of curl that I
can find for the AIX operating system that would correct this?


Werner Stolz

InvestCloud, Inc.

LOS ANGELES – NEW YORK – LONDON – GENEVA – SINGAPORE – SYDNEY – ZURICH – VENICE – LUXEMBOURG – HONG KONG – TOKYO – BENGALURU – TORONTO – SAN FRANCISCO – TAMPA – CARLSBAD – NEW JERSEY

mobile: +1 331-238-3870 | office: +1 848-305-7158 | investcloud.com<https://urldefense.com/v3/__http:/www.investcloud.com/__;!!P9vvK-4S!xL3BZYpaRIcv9-20n5bYXmg4XsVDxk0Xj7X6FnBaFydLn8R3xzEsNiBJ8gvHkiwpeA$>

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Received on 2022-02-08