Comments (6)
Looks like it couldn't find any common kex algorithm with the device. If you can access it with OpenSSH, run it with -v
to see which kex was negotiated.
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OpenSSH_8.2p1 Ubuntu-4ubuntu0.4, OpenSSL 1.1.1f 31 Mar 2020 debug1: Reading configuration data /home/maciek/.ssh/config debug1: Reading configuration data /etc/ssh/ssh_config debug1: /etc/ssh/ssh_config line 19: include /etc/ssh/ssh_config.d/*.conf matched no files debug1: /etc/ssh/ssh_config line 21: Applying options for * debug1: Connecting to 172.17.61.232 [172.17.61.232] port 22. debug1: Connection established. debug1: identity file /home/maciek/.ssh/id_rsa type 0 debug1: identity file /home/maciek/.ssh/id_rsa-cert type -1 debug1: identity file /home/maciek/.ssh/id_dsa type -1 debug1: identity file /home/maciek/.ssh/id_dsa-cert type -1 debug1: identity file /home/maciek/.ssh/id_ecdsa type -1 debug1: identity file /home/maciek/.ssh/id_ecdsa-cert type -1 debug1: identity file /home/maciek/.ssh/id_ecdsa_sk type -1 debug1: identity file /home/maciek/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /home/maciek/.ssh/id_ed25519 type -1 debug1: identity file /home/maciek/.ssh/id_ed25519-cert type -1 debug1: identity file /home/maciek/.ssh/id_ed25519_sk type -1 debug1: identity file /home/maciek/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /home/maciek/.ssh/id_xmss type -1 debug1: identity file /home/maciek/.ssh/id_xmss-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_8.2p1 Ubuntu-4ubuntu0.4 debug1: Remote protocol version 2.0, remote software version OpenSSH_3.8p1 debug1: match: OpenSSH_3.8p1 pat OpenSSH_3.* compat 0x01000002 debug1: Authenticating to 172.17.61.232:22 as 'admin' debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: algorithm: (no match) Unable to negotiate with 172.17.61.232 port 22: no matching key exchange method found. Their offer: diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1
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Could you please let me know where's the sshd config on the warpgate docker container? Then I can add that algo to the list easily.
Thanks in advance!
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diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1
Yeah those are the only two kex algorithms it supports and they're insecure and disabled in Warpgate.
I'll update this ticket to instead be a feature request to add an option to enable these per-target
Could you please let me know where's the sshd config on the warpgate container? Then I can add that algo to the list easily.
Warpgate doesn't use OpenSSH.
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Hope this option will be added in not-so-distant future :)
Thank for your prompt responses.
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