aix:aix_ssh_howto
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aix:aix_ssh_howto [2024/12/09 16:27] manu |
aix:aix_ssh_howto [2025/10/07 12:19] (current) manu |
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| ====== Howto use SSH ====== | ====== Howto use SSH ====== | ||
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| + | Secure File Transfer Protocol (sftp) has been added, and the native “scp” has been deprecated – scp is stil supported, but under the covers will use sftp. Same usage as always, but can now be used in interactive mode, for example : | ||
| + | sftp -P22 adminuser@system | ||
| + | | ||
| + | Work arround for scp: **scp -O** user@host... | ||
| ===== Client SSH ===== | ===== Client SSH ===== | ||
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| ==== List ciphers and Macs on client ==== | ==== List ciphers and Macs on client ==== | ||
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| + | |||
| + | * Ciphers: ssh -Q cipher | ||
| + | * MACs: ssh -Q mac | ||
| + | * KexAlgorithms: ssh -Q kex | ||
| + | * PubkeyAcceptedKeyTypes: ssh -Q key | ||
| + | |||
| + | You can also remotely probe a ssh server for its supported ciphers with recent nmap versions: | ||
| + | <cli prompt='#'> | ||
| + | # nmap --script ssh2-enum-algos -sV -p <port> <host> | ||
| + | </cli> | ||
| <cli prompt='#'> | <cli prompt='#'> | ||
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| </cli> | </cli> | ||
| - | ===== Connection slow ===== | + | ==== Connection slow ==== |
| Check using **ssh -vvv <hostname>**, if it hangs on | Check using **ssh -vvv <hostname>**, if it hangs on | ||
| + | debug1: Next authentication method: gssapi-with-mic | ||
| Change the following parameter in the file **/etc/ssh/sshd_config** | Change the following parameter in the file **/etc/ssh/sshd_config** | ||
aix/aix_ssh_howto.1733758073.txt.gz · Last modified: 2024/12/09 16:27 by manu
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