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Error when trying to connect via ssh from my pc to the iot2050

1/15/2022 7:24 AM	Rate (0)
Jonatan92 Member Joined: 2/8/2021 Last visit: 1/15/2022 Posts: 4 Rating: (0)	Hello dear friends, I hope you are well. I have the following problem: I have configured my iot2050 advanced and I can not access from my laptop to it using ssh connection (putty) through the ethernet cable connected to the LAN P2 port. I have been able to configure the equipment using UART communication by placing the following data on the network interfaces: eth0 : 192.168.1.13 eth1: dhcp laptop: 192.168.1.9 Although I can't connect via ssh, I can ping from my laptop to the iot and I can also access the network node as shown in the images. When I try to access via ssh in the serial terminal I get the message "no supported key exchange algorithms [preauth]". I would greatly appreciate your help. Attachment error ssh connection.pdf (539 Downloads)

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2/15/2022 3:57 PM	Rate (0)
bergmanu Platinum Member Joined: 4/28/2015 Last visit: 4/24/2025 Posts: 3345 Rating: (382)	Hi, I am very sorry, I missed to answer your post. I do not know this behavior, nor do I know how to solve it. I would assume re-install helps, but haven't tested as I haven't had it before. I need to create a bug, hopefully R&D can say how to solve this problem. Best regards!
	Not working for IOT2050 support anymore from March 1st, 2024. I really enjoyed the time supporting you! :)
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2/16/2022 1:14 PM	Rate (0)
bergmanu Platinum Member Joined: 4/28/2015 Last visit: 4/24/2025 Posts: 3345 Rating: (382)	Hi, is it possible to provide the content of /etc/ssh? Best regards!
	Not working for IOT2050 support anymore from March 1st, 2024. I really enjoyed the time supporting you! :)
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3/2/2022 12:13 PM	Rate (0)
chombourger Member Joined: 3/27/2018 Last visit: 3/2/2022 Posts: 1 Rating: (0)	out of curiosity: what version of putty are you using? 0.76 appears to connect without issues. The system restricts connections with insecure ciphers / key algorithms / key exchange algorithms (the list of enabled ciphers can be found at the end of /etc/ssh/sshd_config)

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This contribution was helpful to 1 thankful Users bergmanu

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