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computers / comp.security.ssh / Re: PLINK (from PuTTy) Version conflict

SubjectAuthor
* PLINK (from PuTTy) Version conflictKuasi Ellesius
`- Re: PLINK (from PuTTy) Version conflictKuasi Ellesius

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Subject: PLINK (from PuTTy) Version conflict
From: Kuasi Ellesius
Newsgroups: comp.security.ssh
Date: Tue, 12 Oct 2021 14:45 UTC
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Newsgroups: comp.security.ssh
Date: Tue, 12 Oct 2021 07:45:05 -0700 (PDT)
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Subject: PLINK (from PuTTy) Version conflict
From: pelle....@gmail.com (Kuasi Ellesius)
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Hello all,

I've taken over a project that's using SSH tunneling for connecting to a remote site and securing data traffic. For the tunnel, it is using PLINK from PuTTy.
Investigating the current state of the project I made a disturbing discovery. I could not connect to the host with my current PuTTy / PLINK installation. My current installation features Version 0.75 of PuTTy and PLINK.
After some investigation I found an older PLINK included in the project and tried that. With the older PLINK I could connect to the host without problems. I checked the version on the older PLINK and found it was Version 0.62..
I'll include an edited session transcription (of the erroneous session) at the end of the mail.
If it had been the other way around, I would just think that some problem was fixed and move along. Newer is better. At least that is often the case. But since the newer version was putting me into trouble I am wondering if I need to keep a copy of the older PLINK around to keep my project running or if there is a fix for the problem.
I'll be happy to provide further input, if necessary.

Regards,
Eleusius.

Session Transcription:
PS C:\Users\cp\Documents\The-Project> plink -v -i .\xxxx.ppk User@Host.xyz.zyx -L 10022:127.0.0.1:22
Looking up host "Host.xyz.zyx" for SSH connection
Connecting to 123.123.123.123 port 22
We claim version: SSH-2.0-PuTTY_Release_0.75
Connected to 123.123.123.123
Remote version: SSH-2.0-OpenSSH_7.6p1 Ubuntu-4ubuntu0.5
Using SSH protocol version 2
No GSSAPI security context available
Doing ECDH key exchange with curve Curve25519 and hash SHA-256 (SHA-NI accelerated)
Server also has ecdsa-sha2-nistp256/rsa-sha2-512/rsa-sha2-256/ssh-rsa host keys, but we don't know any of them
Host key fingerprint is:
ssh-ed25519 255 SHA256:iICrLtU+ARy772u+jKKs3nW14ObSz4VVpWf+zesgzI0
Initialised AES-256 SDCTR (AES-NI accelerated) outbound encryption
Initialised HMAC-SHA-256 (SHA-NI accelerated) outbound MAC algorithm
Initialised AES-256 SDCTR (AES-NI accelerated) inbound encryption
Initialised HMAC-SHA-256 (SHA-NI accelerated) inbound MAC algorithm
Reading key file ".\xxxx.ppk"
Using username "User".
Offered public key
Offer of public key accepted
Authenticating with public key "BlahBlahBlah"
FATAL ERROR: Out of memory


Subject: Re: PLINK (from PuTTy) Version conflict
From: Kuasi Ellesius
Newsgroups: comp.security.ssh
Date: Tue, 12 Oct 2021 14:52 UTC
References: 1
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Subject: Re: PLINK (from PuTTy) Version conflict
From: pelle....@gmail.com (Kuasi Ellesius)
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Sorry for the quick post.
I just realized there's an update of PUTTY and included tools to version 0.76 and it seems the problem is fixed.
At least I can confirm that the latest version works for me.
Thanks for reading.
Eleusius.


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